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Providing support for well part (e.g., hanger or anchor)

Subclass of:

166 - Wells

166244100 - PROCESSES

166381000 - Placing or shifting well part

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DocumentTitleDate
20130025884LOW STRESS TRACTION SYSTEM - A technique enables anchoring of a tool in a wellbore. The technique provides traction against a well component without creating high stress concentrations that weaken the well component. An anchoring device comprises anchoring members that are selectively movable to an expanded configuration for anchoring the tool. The anchoring members have traction surfaces able to selectively engage a smooth anchoring surface of the well component at any desired location along the well component. Each traction surface is formed to facilitate traction while minimizing stress concentration.01-31-2013
20130025883Permanent or removable positioning apparatus and method for downhole tool operations - A system and method for positioning a tool within a wellbore, wherein the interior surface of a positioning apparatus includes one or more pluralities of grooves, each defining a selected profile. A tool is lowered into the positioning apparatus, having a blade in communication therewith. The blade includes a plurality of protruding members, which define a profile complementary to at least one of the selected profiles formed by one of the pluralities of positioning apparatus grooves. A biasing member, in communication with the blade, can continually bias the blade toward the interior surface of the positioning apparatus to cause the profile of the blade to engage within the corresponding complementary profile of the positioning apparatus. Positioning a tool in this manner is advantageous for locating cutting tools at a precise location to sever a joint, perforate casing or stack multiple tool operations at a fixed, targeted point within a wellbore.01-31-2013
20100084143TUBING HANGER SEAL - A wellhead assembly including a wellhead housing. The wellhead housing comprises a throughbore having a recessed sealing area and a tubing hanger positioned in the throughbore. A seal is positioned between the wellhead housing and the tubing hanger, the seal being positioned so as to form a gap between the seal and the wellhead housing. The wellhead assembly can further include a seal energizer capable of moving relative to the seal in a manner that forces the seal against the wellhead housing to bridge the gap. A method of installing a tubing hanger into a throughbore of a wellhead housing is also disclosed.04-08-2010
20080257561Casing coupler liner hanger mechanism - A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. Both a setting mechanism and a liner engagement member are connected to the slips and are also located in the pocket. A releasable latching mechanism maintains the slips in the run-in position until the releasable latching mechanism is actuated. As the liner is moved through the casing coupler, the liner engagement member engages the liner through frictional force to cause the setting mechanism to move with the liner so that the latching mechanism can be disengaged and the slips can move axially downward. As the setting mechanism moves downward, the slips move radially inward and grip the liner.10-23-2008
20090294135Retrievable Surface Controlled Subsurface Safety Valve - A safety valve apparatus has a housing with a bore and a projection disposed in the bore. A locking dog disposed on the housing is movable to engage an inner conduit wall surrounding the housing, and a flapper rotatably disposed on the housing is movable between opened and closed positions. A first sleeve disposed within the bore above the projection is mechanically movable between locked positions. In one locked position, the sleeve moves the locking dog to engage the wall. A piston disposed in the housing hydraulically communicates with a port in the projection and couples to a second sleeve disposed within the bore below the projection. The second sleeve conceals the piston and is hydraulically movable to open and close the flapper.12-03-2009
20120175131ID Centralizer - An apparatus and methods of spacing a tool from walls of tubing are provided as embodiments of the present invention. The apparatus can include a centralizer that is inserted in the tubing, the centralizer having inwardly arched sides or inwardly arched bow springs so that an inner diameter of the centralizer increases from a longitudinal midpoint to a longitudinal end point of the centralizer. The centralizer has a smaller diameter than the tubing so that it can be positioned inside of the tubing downstream of a seating ring in a relaxed position so that when the tool passes through the centralizer, the inwardly arched sides or inverted bow springs expand towards an inner wall of the tubing to centralize and inhibit radial movement of the tool when deployed through the inwardly arched sides of the centralizer.07-12-2012
20120205123Tubing Hanger and Methods for Testing and Sealing the Tubing Hanger - A tubing hanger assembly and method provide a tested and sealed tubing hanger. In one embodiment, a method for testing and sealing a tubing hanger includes attaching a test mandrel to the tubing hanger. The tubing hanger has an interior bore and a test port. The method also includes providing a test seal in the interior bore. The test seal is above the test port. In addition, the method includes adding pressure to the interior bore through the test port. The method further includes monitoring the pressure. Moreover, the method includes removing the test mandrel from the tubing hanger and attaching a production mandrel to the tubing hanger. Additionally, the method includes providing a seal in the interior bore. The seal has an upper seal and a lower seal. The upper seal is above the test port, and the lower seal is below the test port.08-16-2012
20090159295Wellsite Systems Utilizing Deployable Structure - An apparatus for deploying an instrument usable with a well comprises at least one reversibly expandable structure, at least one actuator operable to change a perimeter dimension of the at least one reversibly expandable structure, at least one instrument disposed interior of the at least one reversibly expandable structure, and having an axial dimension, and tractoring fluid disposed between the at least one reversibly expandable structure and the at least one instrument. The apparatus is operable to perform at least one of exerting thrust to convey the at least one instrument with respect to at least one adjacent surface, creating compensating pressure between the at least one instrument and the at least one adjacent surface, and sealing between the at least one instrument and the at least one adjacent surface.06-25-2009
20090159296Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore - A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting mechanism connected to the slips is also located in the pocket. An actuator is mounted on the liner. As the liner is moved through the casing coupler, the actuator actuates the setting mechanism, causing the slips to move axially downward. As the setting mechanism moves downward, the slips move radially inward and grip the liner.06-25-2009
20100108330EQUALIZED LOAD DISTRIBUTION SLIPS FOR SPIDER AND ELEVATOR - Embodiments of the present invention generally relate to an apparatus for supporting a tubular that more evenly distributes stress along the contact length of a tubular. In one embodiment, an apparatus for supporting a tubular is provided. The apparatus includes a bowl having a longitudinal opening extending therethrough and an inner surface for receiving a gripping member. The gripping member is movable along the surface of the bowl for engaging the tubular. The apparatus is configured so that an upper portion of the gripping member will engage the tubular before the rest of the gripping member engages the tubular.05-06-2010
20100108329DOWNHOLE INJECTOR SYSTEM FOR CT AND WIRELINE DRILLING - An apparatus for moving tubing through a borehole comprises an injector assembly with a driving mechanism to move the tubing through the borehole; wherein the apparatus comprises an anchoring system for securing the injector assembly downhole to a cased portion of a borehole wall and connections for receiving a power supply from the surface.05-06-2010
20130087346Temporary Support Device for Oil Well Tubes and Method of Use - A temporary support device for oil well tubes and method of use. The device comprises a holding structure to be applied to the well surface casing, a holding base resting in the well's cellar floor and sets of adjustable supporting arms connecting the holding structure and the supporting base.04-11-2013
20130087345RE-LATCH MECHANISM FOR WELLBORE LINER SYSTEM - A tool for releaseably coupling a first tubing to a second tubing in a wellbore has a tubular mandrel configured to couple to and be carried into the wellbore by the first tubing. A collet ring is in an interior of the mandrel and has a plurality of collets to engage the second tubing. A releasing piston is carried in the interior of the mandrel to change between supporting the collet ring such that the collets can release from the profile and allowing the collet ring to lock such that the collets are locked in the profile.04-11-2013
20090114402Method and Device for Drilling, Particularly Percussion or Rotary Percussion Drilling ,a Hole in Soil or Rock Material - The invention relates to a method and device for drilling, particularly percussion drilling or rotary percussion drilling a hole in soil or rock material and fixing an anchoring in the hole. To this end, a drilled hole is made by a drill bit (05-07-2009
20110005777TOOL STORAGE ASSEMBLY - A tool storage assembly (01-13-2011
20100089591EXPANDABLE LINER HANGER AND METHOD OF USE - The present invention generally relates to an expandable liner hanger capable of being expanded into a surrounding casing. In one aspect, an expandable tubular system is provided. The system includes an expandable tubular. The system further includes an expansion swage for expanding the expandable tubular, wherein the expansion swage is deformable from a compliant configuration to a smaller substantially non-compliant configuration. Additionally, the system includes a restriction member disposed on an exterior surface of the expandable tubular, wherein expansion of the expandable tubular in the location of the restriction member deforms the expansion swage from the compliant configuration to the smaller substantially non-compliant configuration. In another aspect, a method of expanding a liner hanger using a cone is provided.04-15-2010
20090266559METHOD AND APPARATUS FOR INSTALLING DEFLECTING CONDUCTOR PIPE - Delivering an additional subterranean conduit (10-29-2009
20120222868Expansion Cone Assembly for Setting a Liner Hanger in a Wellbore Casing - An expansion cone assembly (09-06-2012
20130213672Downhole Apparatus with a Swellable Support Structure - A downhole apparatus having a radially expanding portion and a support structure are described. The support structure comprises an attachment means for coupling to the apparatus and a support portion configured to be deployed from a first unexpanded condition to a second expanded condition by expansion of the apparatus. In one aspect of the invention, the downhole apparatus is expanded by exposing the swellable material to at least one predetermined fluid, and the support structure abuts the swellable material in its expanded form. A method of use and its application to a well packer, a hanging member, an anchor and a centralising apparatus are described.08-22-2013
20090236101Force Monitoring Tractor - A downhole tractor assembly that is configured for open-hole applications. The assembly includes a force monitoring mechanism to help monitor and control forces imparted through a drive mechanism of the tractor in real time. As such, damage to open-hole formations due to excessive tractoring forces may be minimized along with mechanical damage to the tractor. Furthermore, the drive mechanism of the tractor may include multiple sondes and bowsprings with gripping saddles specially configured for contacting the well wall across a large area in a non-point and line manner so as to avoid digging into and damaging the well wall during tractoring.09-24-2009
20130068483Composite Limit Collar - A tubular component includes a limit collar disposed about the tubular component, and the limit collar comprises a body portion comprising a plurality of upsets disposed on an inner surface of the body portion, wherein the plurality of upsets define a first ring, a second ring, and at least one rib, at least one chamber formed between the inner surface of the body portion, an outer surface of the tubular component, and one or more surfaces of the first ring, the second ring, or the at least one rib, and a binder portion disposed in the at least one chamber.03-21-2013
20130068482Drop In Completion Method - A string is equipped with a braking device to regulate its speed into the wellbore through an existing tubular. When the targeted amount of overlap with an existing tubular is accomplished the two tubulars are then joined together. The braking system can take many forms such as externally mounted mechanisms that are speed responsive to vary the braking force. The inside of the tubular can have trapped gas to provide buoyancy and reduce the dropping speed. The braking can be accomplished hydraulically through regulated flow through the tubular or by a combination of a hydraulic and mechanical device. The momentum of the dropped string can also be controlled with a swage device that at the appropriate location lands on a taper and wedges or fuses itself to the surrounding tubular to gain support from the surrounding tubular.03-21-2013
20120111579TOOLS FOR USE IN SUBTERRANEAN BOREHOLES HAVING EXPANDABLE MEMBERS AND RELATED METHODS - Expandable apparatus for use in subterranean boreholes include at least one member configured to move between a retracted position and an extended position. A latching member disposed in the tubular body may selectively retain the at least one member in the retracted position. Methods of operating an expandable apparatus include securing at least one member of the expandable apparatus in a retracted position by engaging an inner wall of a tubular body with at least one latch member disposed in at least one aperture formed in a latch sleeve.05-10-2012
20120111578EQUIPMENT AND METHOD FOR REINFORCING A BOREHOLE OF A WELL WHILE DRILLING - The equipment for drilling and reinforcing a borehole of a well comprises a drill pipe string carrying a drill tool at its lowermost end and a downhole treatment device held on the drill pipe string for applying a liner of polymer material at the surface of the borehole. The polymer material is a fusible and/or curable material dissolved and/or emulsified and/or dispersed in drilling fluid or mud circulated through the drill pipe string and an annulus between the drill pipe string and the wall of the borehole. The treatment device is adapted to concentrate energy for fusing and/or curing the polymer material contained in the drilling fluid in a limited space at the vicinity of the wall of the borehole. The treatment device thus focuses its energy in the vicinity of the wall and allows a continuous reinforcing of the borehole simultaneously while drilling.05-10-2012
20120234560Restricted axial movement locking mechanism - A tubular locking system comprises a first wellbore tubular, an internal locking feature disposed on an inner surface of the first wellbore tubular, a second wellbore tubular, where at least a portion of the second wellbore tubular is disposed within the first wellbore tubular, a compression sleeve coupled to the second wellbore tubular, a collet coupled to the second wellbore tubular below the compression sleeve, and a shifting sleeve disposed within the collet.09-20-2012
20100089590Tubing Hanger - A tubing hanger for use in a wellhead. The wellhead includes a throughbore, a landing seat positioned in the throughbore, a landing groove positioned above the landing seat in the throughbore, and a locking groove in the throughbore. The tubing hanger comprises an expandable landing ring positioned on the tubing hanger for engaging the landing groove and a landing mechanism for expanding the landing ring radially outward from the tubing hanger. A locking ring for engaging the locking groove can be positioned on the tubing hanger. The tubing hanger can further include a locking mechanism for expanding the locking ring radially outward from the tubing hanger body and locking it into the locking groove.04-15-2010
20110253387CEMENTING WHIPSTOCK APPARATUS AND METHODS - A technique facilitates sidetracking by eliminating one or more trips downhole. The technique comprises delivering a sidetracking system downhole into a wellbore, and utilizing a component of the sidetracking system to grip a wall of the wellbore. The sidetracking system may comprise a whipstock assembly and a running/stinger assembly in which the stinger assembly is designed for disconnection from the whipstock assembly after delivery downhole. After disconnecting the stinger assembly, the sidetracking system enables delivery of cement slurry down through the stinger assembly to form a cement plug at a desired location.10-20-2011
20090044956TUBING HANGER AND METHOD OF COMPENSATING PRESSURE DIFFERENTIAL BETWEEN A TUBING HANGER AND AN EXTERNAL WELL VOLUME - A tubing hanger and method for reducing loads and stresses on sealing boundaries in a tubing hanger is provided. The tubing hanger has an inner cavity that is sealed with respect to an external well volume present in for example the surrounding tree architecture and wellhead. A control line extends through the inner cavity to communicate with downhole equipment. A pressure compensator is configured to adjust pressure differential between the inner cavity and the external well volume.02-19-2009
20090205839EXPANDABLE CONNECTION - An expandable tubular liner includes a first tube, a second tube, a mechanical coupling for coupling the first and second tubes, and an insert coupled to the mechanical coupling. The insert is capable of forming a metallurgical bond with at least one of the tubes when energy is injected into the insert.08-20-2009
20090090515Wellhead Isolation Sleeve Assembly - An isolation sleeve extends from an adapter into the bore of a tubing head to isolate high pressure frac fluid from the body of the tubing head. The isolation sleeve may be moved into and out of the bore by a hydraulic transfer piston or it may be installed and retrieved by a running tool. The isolation sleeve has a seal carrier on its lower end. The seal of the seal carrier may seal to a secondary packoff in the tubing head, on the outer diameter of the conduit, or to the rim of the conduit. The seal carrier may be movable relative to the sleeve to energize the seal.04-09-2009
20110297397DEPLOYMENT OF DOWNHOLE PUMP USING A CABLE - Embodiments disclosed herein relate to a method and a system to deploy a downhole pump within a well. The system includes the downhole pump disposed in a well, the downhole pump having a motor, and a cable having at least one strength member layer bonded to a cable core, in which a first end is connected to a power source disposed at a surface of the well and a second end is connected to the downhole pump. The cable is configured to support and power the downhole pump in the well.12-08-2011
20110284244Method And Apparatus For Suspending A Cable In A Pipe - Apparatus (11-24-2011
20110168407BEARING CONTACT PRESSURE REDUCTION IN WELL TOOLS - A method of reducing contact pressure between bearing surfaces of a well tool can include constructing a structure which supports one bearing surface in contact with the other bearing surface, and reducing contact pressure between the bearing surfaces by relieving strain energy in the structure. A well tool can include one bearing surface which contacts another bearing surface. There is a transition between contact and lack of contact between the bearing surfaces. A structure supporting one of the bearing surfaces can have a reduced stiffness, whereby a contact pressure between the bearing surfaces is reduced at the transition. The bearing surfaces can be formed on a thrust bearing, plain bearing, or other type of bearing between components of the well tool.07-14-2011
20110030974Slip Hanger Assembly and Actuator - A slip hanger assembly for installation of casing in a wellhead, the assembly including a slip ring capable of restraining the casing in the wellhead. The assembly including a seal assembly with an inner and outer seal. The assembly also includes a hanger assembly actuator including a load ring flange, a BOP adapter including a horizontal torque provider and the BOP adapter being connectable to the wellhead, and a seal assembly actuator. The hanger assembly actuator can set the inner and outer seals independently of each other.02-10-2011
20100126733PACKER - A packer that is usable with a well includes an anchor. The anchor includes at least one spirally extending ring, which is adapted to be selectively radially expanded to secure the packer to a casing string.05-27-2010
20100032168Method and Apparatus for Expanded Liner Extension Using Downhole then Uphole Expansion - An expansion and cementing assembly is run into the well as the expandable liner is made up. A work string is tagged into the expansion assembly and run to depth. Pressure drives the swage to initially expand and move uphole with the attached work string until the liner is expanded above the location of the subsequent cement placement. The assembly is then lowered to engage the guide/float shoe to perform the cementing step. The swage assembly is then released from the guide/float shoe and the balance of the expansion is performed without further expansion against the recently placed cement. The expansion assembly can start at the guide/float shoe or higher, in which case expansion can occur initially in a downhole direction and later be completed in an uphole direction. Variations without cementing are also contemplated.02-11-2010
20120024543ELECTRIC SUBMERSIBLE PUMP, TUBING AND METHOD FOR BOREHOLE PRODUCTION - An electric submersible pump assembly (ESP) (02-02-2012
20120024541Drill Pipe Running Tool - A system and method for verifying support hanger orientation within a wellhead housing. In an example, a profile is included at a designated location on an inner surface of the wellhead housing. When the support hanger is landed in the wellhead housing, an impression is taken of the inner surface of the wellhead housing from a reference location. Analyzing the impression can indicate the position of the support hanger within the wellhead housing. A running tool that can land the support hanger within the wellhead housing can be equipped with an impression block for taking the impression of the profile in the wellhead housing.02-02-2012
20120024540Tubing Hanger Assembly with Single Trip Internal Lock Down Mechanism - A tubing hanger assembly for suspending a tubing string into a wellbore comprises a hanger body having a radially outer surface including external threads having a first thread handedness. In addition, the assembly comprises a load ring coaxially disposed about the hanger body. The load ring has a radially inner surface including a first set of internal threads that matingly engage with the external threads of the hanger body and a second set of internal threads having a second thread handedness that is opposite the first thread handedness. The load ring also has a radially outer surface including a frustoconical cam surface. Further, the assembly comprises an expandable ring disposed about the hanger body adjacent the lower end of the load ring. The expandable ring has a radially inner surface including a frustoconical surface that slidingly engages the cam surface. Still further, the assembly comprises a load sleeve coaxially disposed about the hanger body and having an upper end that engages the expandable ring.02-02-2012
20110214884LINING OF WELL BORES WITH EXPANDABLE AND CONVENTIONAL LINERS - Reducing the diameter of a well bore has many advantages. To achieve this a subsurface well bore is provided comprising one or more expandable sleeve components, preferably expandable liners (09-08-2011
20090188676Large Inside Diameter Completion with Position Indication - A completion assembly has a packer for isolation and indicating shoulders incorporated into a sleeve mounted uphole of the packer. Locating the indicating shoulders above the packer allows them to be larger than placement below the packer where the assembly generally has to neck down to permit operations such as gravel packing. Placement above the packer makes the indicating shoulders less restrictive to subsequent production flow or for passage of tools further down the wellbore.07-30-2009
20120024542HANGER FLOATING RING AND SEAL ASSEMBLY SYSTEM AND METHOD - Systems and methods are provided for isolating a landing ring of a hanger from pressure inside a wellhead and sealing a portion of the hanger via a seal assembly. The hanger includes a floating ring axially interposed between the landing ring and the seal assembly, and between the landing ring and a shoulder of the hanger. The seal assembly includes one or more radially retractable elastomeric seals that are radially retracted during run in of the seal assembly. The radially retractable seals may be radially expanded via shearing of one or more shear pins by torque applied to the seal assembly. The seal assembly may also include one or more metal seals having a plurality of rings having a nib configuration that includes three smaller nibs for sealing and a larger flat nib for withstanding the energizing load on the seal assembly.02-02-2012
20110198099Anchor apparatus and method - Anchor apparatuses and methods for anchoring a tool within a wellbore are disclosed. An anchor apparatus can include an operator, such as an electrical motor, a hydraulic source, or other similar sources of motion, to cause movement of a rod between a first and second position. A plurality of arms pivotally secured to the apparatus are movable between a retracted position and an extended position. Movement of the rod from the first position to the second causes the rod to pivot the arms toward the extended position. Computer instructions can be utilized to cause automatic retraction of the arms upon receipt of a command after a selected interval of time has lapsed to prevent attempted removal of the apparatus while the arms are extended. The anchor apparatus can also include a frangible member provided with a selected tolerance to enable removal of the apparatus without retraction of the arms.08-18-2011
20100282477SLEEVE FOR EXPANDABLE TUBULAR THREADED CONNECTION - A tubular sleeve overlaps the threaded connection between a pair of adjacent tubular members that are to receive an expansion device for radial expansion and plastic deformation of the threaded tubular connection.11-11-2010
20110168409High Capacity Running Tool - A high capacity running tool sets and internally tests a casing hanger packoff during the same trip. The running tool has a stem and a body. The body is secured by threads to the stem of the running tool so that rotation of the stem relative to the body will cause the stem to move longitudinally. An engagement element connects the tool body to the casing hanger by engaging the inner surface of the casing hanger. Longitudinal movement of the stem relative to the body moves the engaging element between inner and outer positions and lines up ports in the stem and in the body for setting and testing functions.07-14-2011
20090090516TUBULAR LINER - An apparatus and method according to which a tubular liner is positioned in a preexisting structure such as, for example, a wellbore, a wellbore casing, a pipeline or a structural support, and the tubular liner is anchored to the preexisting structure during radial expansion.04-09-2009
20080210438Downhole Safety Valve Apparatus and Method - The application discloses a safety valve including a flapper valve and a packer assembly to be installed in a bore to isolate a first zone from a second zone. Preferably, the safety valve includes a hydraulic conduit bypassing the flapper valve to allow communication therethrough when the valve is closed. Furthermore, the safety valve preferably allows unobstructed passage of tools and fluids therethrough when the flapper valve is open. The application discloses a method to install a safety valve in an existing string of tubing by deploying a packer assembly having an integral safety valve.09-04-2008
20080210440Liner anchor for expandable casing strings and method of use - Expandable casing has an expandable slip used for completion of a mono-diameter wellbore. The expandable casing is run through the upper casing and has an upper end that overlaps a lower end of the upper casing to form a fluid flow path between the expandable casing and the upper casing. The operator expands the overlapping portion of the expandable casing to an intermediate position, causing the expandable slip to anchor the expandable casing to the upper causing without blocking the flow path. Cement is then pumped up around the outside of the expandable casing and wellbore fluid displaced by the cement and excess cement are permitted to flow through the fluid flow path and up the upper casing. After sufficient cement is in place, the expandable casing is further expanded, compressing the expandable slip into to the inner wall of the upper casing and sealing off the fluid flow path.09-04-2008
20110168408SETTING TOOL FOR EXPANDABLE LINER HANGER AND ASSOCIATED METHODS - A setting tool for an expandable liner hanger. A method includes the steps of: releasably securing the setting tool to the hanger, the setting tool including an expansion cone for displacing through the hanger; and conveying the setting tool and hanger into the well on a generally tubular work string while no portion of the hanger extends longitudinally between the expansion cone and the work string. A setting tool includes an expansion cone, which is displaceable through the liner hanger to expand the hanger; at least one piston positioned on one side of the expansion cone; and an anchoring device for releasably securing the setting tool to the liner hanger, the anchoring device being positioned on an opposite side of the expansion cone. The expansion cone is pressure balanced between its two sides when the expansion cone is displaced through the liner hanger.07-14-2011
20090272544TOOLS AND METHODS FOR HANGING AND/OR EXPANDING LINER STRINGS - Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed tubular in a wellbore includes running the liner assembly and a setting tool into the wellbore using a run-in string. The setting tool includes an isolation valve and the liner assembly includes a liner hanger and a liner string. The method further includes sending an instruction signal from the surface to the isolation valve, wherein the isolation valve closes in response to the instruction signal and isolates a setting pressure in the setting tool from the liner string; and increasing fluid pressure in the setting tool, thereby setting the liner hanger.11-05-2009
20090277648DOWNHOLE APPARATUS WITH A SWELLABLE SUPPORT STRUCTURE - A downhole apparatus having a radially expanding portion and a support structure are described. The support structure comprises an attachment means for coupling to the apparatus and a support portion configured to be deployed from a first unexpanded condition to a second expanded condition by expansion of the apparatus. In one aspect of the invention, the downhole apparatus is expanded by exposing the swellable material to at least one predetermined fluid, and the support structure abuts the swellable material in its expanded form. A method of use and its application to a well packer, a hanging member, an anchor and a centralising apparatus are described.11-12-2009
20090283278STROKABLE LINER HANGER - A strokable liner hanger including a liner hanger; one of a slide seal and a casing seal sub disposed adjacent the liner hanger; the other of the slide seal and the casing seal sub disposed adjacent the one of the slide seal and the casing seal sub and a method for completing a wellbore.11-19-2009
20090283279ZONAL ISOLATION SYSTEM - A zonal isolation system for use in a well is provided. The zonal isolation system includes a zonal isolation tool, at least one anchor, and at least one polished bore receptacle. The zonal isolation system may include a setting string for activation of the zonal isolation tool and/or the at least one anchor. The zonal isolation system may also include an isolation string for maintaining separation zones during production or injection of the well.11-19-2009
20090038808TANGENTIALLY-LOADED HIGH-LOAD RETRIEVABLE SLIP SYSTEM - A slip system includes a set of drive slips having wickers thereon, substantially all of which being truncated in cross-section; a set of gripping slips operatively interengagable with the set of drive slips; a drive slip end ring in operable communication with the set of drive slips; and a gripping slip end ring in operable communication with the set of gripping slips, the end rings capable of transmitting a load applied in an axial direction of the system to the set of gripping slips and the set of drive slips to tangentially load the set of drive slips and the set of gripping slips against each other thereby increasing a radial dimension of the system and distributing stresses created in a target tubular and method.02-12-2009
20100101806MANDREL TO BE INSERTED INTO A LIQUID CIRCULATION PIPE AND ASSOCIATED POSITIONING METHOD - This mandrel (04-29-2010
20120285703HYDRO-MECHANICAL DOWNHOLE TOOL - A downhole tool includes a body supported from a running string; and a releasing assembly for releasing from set liner hanger portions of the tool to be retrieved to the surface. The releasing assembly includes a connecting member for engaging the tool with a liner hanger, a piston hydraulically moveable in response to fluid pressure within the tool body from a lock position to a release position for releasing the connecting member, and a clutch for rotationally releasing the tool body from the liner hanger. Rotation of the running string moves a nut upward along the body so that the running string may then be picked up to disengage the tool from the liner hanger.11-15-2012
20120292050Dual Seal Tubing Hanger - A dual seal system and related method seal a tubing hanger. In an embodiment, a dual seal tubing hanger includes a hanger body. The dual seal tubing hanger also includes an upper body seal and an upper body seal ring. The upper body seal is disposed between the hanger body and the upper body seal ring. In addition, the dual seal tubing hanger includes a lower body seal and a lower body seal ring. The lower body seal is disposed between the lower body seal ring and the hanger body. The upper body seal and the upper body seal ring are disposed on an opposing end of the hanger body from the lower body seal and the lower body seal ring.11-22-2012
20080271898Pressure Isolation Plug for Horizontal Wellbore and Associated Methods - A wellbore pressure isolation apparatus is deployed in a wellbore and has a sealing element that can be activated to seal against an interior surface of a surrounding tubular. Once set, a ball valve in the apparatus restricts upward fluid communication through the apparatus, and another ball valve in the apparatus can restrict downward fluid communication through the apparatus. These ball valve can have disintegratable balls intended to disintegrate in wellbore conditions after different periods of time. To facilitate deployment of the apparatus in a horizontal section of the well bore, the apparatus has a plurality of rollers positioned on a distal end. In addition, the apparatus has a ring disposed about the body between the distal body portion and an adjacent body portion. The ring has an outside diameter at least greater than that of the adjacent body portion to facilitate pumping of the apparatus in the wellbore.11-06-2008
20130213671CASING HANGER LOCKDOWN SLEEVE - The lockdown mechanism (08-22-2013
20090139732DOWNHOLE SWAGING SYSTEM AND METHOD - Disclosed herein is a downhole swaging system. The system includes, a tubular having an area of strength with a different resistance to swaging as compared to areas of the tubular outside of the area of strength, and a swaging tool. The swaging tool has a first swage, and a second swage with an adjustable swaging dimension, the second swage is in functional communication with the first swage such that the adjustable swaging dimension is adjusted in response to the first swage encountering a change in resistance to swaging.06-04-2009
20090200041Expansion Cone for Expandable Liner Hanger - An expandable liner hanger system includes an expandable liner hanger and an expansion cone having a first outer diameter when driven through the expandable liner hanger in a first direction to expand the expandable tubing. The expandable liner hanger system also includes a polished bore receptacle having a lower end coupled to an upper end of the expandable liner hanger by a coupling, the coupling having an inner diameter smaller than the first outer diameter. In the run in condition, the expansion cone is positioned below the coupling.08-13-2009
20090101362Anchor assembly for slickline setting tool for inflatables - Anchor assemblies for use in downhole slickline strings to set wellbore inflatables are disclosed. In one specific embodiment, an anchor assembly comprises an upper mandrel, an upper piston, radially extendable slips, a release piston in sliding engagement with a release mandrel, and a lower housing in sliding engagement with a lower mandrel. Fluid entering a bore of the anchor assembly forces the upper piston downward and extends the anchors. Thereafter, the slickline is reciprocated to pump fluid down the bore of the anchor assembly into the inflatable to prevent premature release of the inflatable. As the inflatable inflates, the lower housing is pulled downward along the lower mandrel until the inflatable is fully inflated. At a predetermined pressure after inflation of the inflatable, the anchors are retracted by actuation of the release piston so that the anchor assembly can be retrieved.04-23-2009
20100155084SETTING TOOL FOR EXPANDABLE LINER HANGER AND ASSOCIATED METHODS - A method of conveying an expandable liner hanger in a well includes: conveying the hanger into the well on a work string with a setting tool releasably secured to the hanger by an anchoring device; applying left-hand rotation to the work string; then lowering the work string, thereby releasing the anchoring device and permitting the setting tool to be retrieved from within the hanger. A method of setting a liner hanger includes: forcing an expansion cone through a hanger portion, thereby expanding the portion; and forcing another expansion cone into another hanger portion, thereby expanding that portion. A method of setting an expandable liner hanger includes: lowering a liner into the well; then connecting the hanger and a setting tool lower section to the liner; then lowering the hanger and the lower section into the well; and then connecting a setting tool upper section to the lower section.06-24-2010
20110226489Differential Shifting Tool and Method of Shifting - A shifting tool and method of shifting a downhole device that requires only a minimal profile or no profile to engage and move the movable portion of the tool. The invention comprises a ported housing assembly and at least one friction pad alignable with said at least one port and radially movable through the port between a first pad position and a second pad position. In the second pad position, the friction pad extends outside said outer diameter of said housing assembly to engage the targeted downhole device. A mandrel positioned through the ported housing has a first section with a first outer diameter and a second section with a second outer diameter, said second outer diameter being greater than said first outer diameter. The mandrel is movable between a first mandrel position and a second mandrel position. In the second mandrel position, the second outer diameter supports the friction pads in the second pad position.09-22-2011
20110226490METHOD AND SYSTEM FOR ONE-TRIP HANGER INSTALLATION - There is provided a system and method for installing a wellhead component in a single trip. Generally, a wellhead component may be run into a wellhead using a running tool. The running tool may then be retrieved from the wellhead and replaced with a locking tool, which is also run into the wellhead. Additional tools may be used to over-pull the wellhead component and to cementing the wellhead component in place. The process of retrieving and running tools into the wellhead is both time-consuming and costly. Accordingly, the disclosed embodiments include a one-trip tool configured to run a wellhead component into a wellhead, engage an internal coupling to lock the wellhead component in place, over-pull the wellhead component to ensure the internal coupling was properly engaged, and cement the wellhead component in place within the wellhead.09-22-2011
20090205840EXPANDABLE DOWNHOLE ACTUATOR, METHOD OF MAKING AND METHOD OF ACTUATING - Disclosed herein is a downhole actuator. The actuator includes, a discontinuous tubular being configured to restrict longitudinal expansion while longitudinally contracting in response to radial expansion.08-20-2009
20100147535Expandable Liner Hanger - A downhole expandable liner hanger apparatus for extending the length of an existing tubular such as a casing or liner string is described. The apparatus comprises a tubular portion and a securing and/or sealing means for securing the tubular portion to the existing tubular such as a casing string to thereby extend the length of the existing tubular and preferably simultaneously provide a sealed coupling between the tubular portion and the existing tubular. A first part or a length of the tubular portion preferably comprises a first sidewall thickness and a second part or length of the tubular portion is located adjacent the first part, where the second part comprises a second sidewall thickness, said first sidewall thickness being less than the second sidewall thickness.06-17-2010
20100163251ROLLER LINK TOGGLE GRIPPER AND DOWNHOLE TRACTOR - An expandable gripper assembly may be configured for anchoring a tool in a passage. The expandable gripper assembly includes first, second, and third pivotally connected links that are coupled to a tool. The third link is adapted to engage an inner wall in the passage. An actuation mechanism causes the third link to move radially outward from the tool for engagement with the inner wall. The actuation mechanism may comprise a roller mechanism that pushes on an inner surface of the first link for causing the first link to pivot outward away from the body. As the first and second links pivot outward, the third link moves in a radial direction for engagement with an inner wall.07-01-2010
20100236792EXPANDING MULTIPLE TUBULAR PORTIONS - Apparatus for expanding first and second portions of a downhole tubular in a single trip comprises a support and first and second expansion devices. The first expansion device is mounted on the support and is operable to expand a first portion of tubular. The second expansion device is mounted to a second portion of tubular and is adapted to be engaged by the support following the expansion of the first portion of tubular, and is then used to expand the second portion of tubular.09-23-2010
20100252278Anchor assembly - Novel anchor assemblies are provided for installation within an existing conduit. They comprise a nondeformable mandrel, an expandable metal sleeve, and a swage. The expandable metal sleeve is carried on the outer surface of the mandrel. The swage is supported for axial movement across the mandrel outer surface from a first position axially proximate to the sleeve to a second position under the sleeve. The movement of the swage from the first position to the second position expands the sleeve radially outward into contact with the existing conduit.10-07-2010
20100252277High Capacity Running Tool - A high capacity running tool sets and internally tests a casing hanger packoff during the same trip. The running tool has a stem and a body. The body is secured by threads to the stem of the running tool so that rotation of the stem relative to the body will cause the stem to move longitudinally. An engagement element connects the tool body to the casing hanger by engaging the inner surface of the casing hanger. Longitudinal movement of the stem relative to the body moves the engaging element between inner and outer positions and lines up ports in the stem and in the body for setting and testing functions.10-07-2010
20100252279Reduced Drag Centralizer - An apparatus according to one or more aspects of the present disclosure comprises at least two centralizers, each centralizer having a circumferential stand-off portion and a second circumferential portion defining 360 degrees, at least two bows extending between opposing collars within the stand-off circumferential portion; wherein the at least two centralizers are spaced axially apart and fixedly attached to the tubular with the respective circumferential stand-off portions angularly offset from one another to provide 360 degrees of standoff. According to one or more aspects of the present disclosure, one or both of the collars of each centralizer may be rotationally stationary relative to the tubular and axially moveable relative to the tubular.10-07-2010
20100139928REPLACEABLE SLEEVE FOR A CYLINDER LINER - A pump cylinder liner apparatus includes a replaceable sleeve captured between two cylinder hull portions that are releasably coupled to allow access to the sleeve for replacement. An elastomeric material or tube may be disposed between the sleeve and the two coupled hull portions for radial compressive pre-loading of the sleeve upon assembly and during operation.06-10-2010
20120125634Emergency Bowl for Deploying Control Line from Casing Head - An assembly supports a control line of a downhole tool, such as a downhole deployment valve. The tool deploys on casing and has a control line extending from the wellhead to the tool. To support the line separately from any casing hanger, a split bowl disposes around the casing and lands on a shoulder in the head. A port in the bowl has one opening that aligns with a side port in the head. Another opening of the bowl's port connects to the control line that extends to the downhole tool. A section of the control line from the split bowl can be flexible to help prevent kinking or breaking of the line during installation procedures. A hanger disposes on another shoulder in the head uphole from the bowl. The hanger supports the casing in the head separate from the bowl's support of the control line.05-24-2012
20120125635ENTRY GUIDE FORMATION ON A WELL LINER HANGER - A method of forming an entry guide at an end of a tubular string in a wellbore can include conveying a forming device into the wellbore, and deforming the end of the tubular string from a cylindrical shape to an outwardly widening shape with the forming device. A method of forming an entry guide at an end of an expanded liner hanger in a wellbore can include outwardly expanding the liner hanger, thereby sealingly securing a tubular string in the wellbore, and deforming the end of the liner hanger from a cylindrical shape to an outwardly widening shape with a forming device.05-24-2012
20110056705MOUSE HOLE SUPPORT UNIT WITH ROTATABLE OR STATIONARY OPERATION - The present invention allows for the connection of multiple sections of drill pipe in a mouse hole by securing a given section of pipe in the hole and delivering a rotational force to secure that pipe section to another section of drill pipe placed above it over the mouse hole. In some embodiments, the rotational force may be provided by the support unit of the present invention. In alternative embodiments, the rotational force may be provided by an outside source such as an iron roughneck, with the support unit of the present invention holding the drill pipe section in a stationary position as such force is delivered. The unit then allows the connected pipe sections to be lowered and secured so the process can be repeated to connect multiple sections of drill pipe together in the mouse hole. The multiple sections of drill pipe may then be retrieved as a unit, and attached to the pipe string already being used to drill the well.03-10-2011
20100218956APPARATUS FOR AND METHOD OF SECURING A CENTRALIZER TO A TUBULAR - A bow-spring centralizer (09-02-2010
20080230233Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore - A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting mechanism connected to the slips is also located in the pocket. An actuator is mounted on the liner. As the liner is moved through the casing coupler, the actuator actuates the setting mechanism, causing the slips to move axially downward. As the setting mechanism moves downward, the slips move radially inward and grip the liner.09-25-2008
20090071660Low Stress Traction System - A technique enables anchoring of a tool in a wellbore. The technique provides traction against a well component without creating high stress concentrations that weaken the well component. An anchoring device comprises anchoring members that are selectively movable to an expanded configuration for anchoring the tool. The anchoring members have traction surfaces able to selectively engage a smooth anchoring surface of the well component at any desired location along the well component. Each traction surface is formed to facilitate traction while minimizing stress concentration.03-19-2009
20090071659Anchoring System for Use in a Wellbore - A technique enables anchoring of a tool in a wellbore. The technique utilizes one or more arms pivotably mounted to a structure for movement between a radially inward position and radially outward position that anchors the tool to a surrounding wall. A wedge component is positioned to selectively engage the arms. When relative axial movement is caused between the wedge component and the arms, the arms are pivoted to a desired radial position.03-19-2009
20090025943LOCKABLE ANCHOR FOR INSERTABLE PROGRESSING CAVITY PUMP - Embodiments of the present invention generally relate to methods and apparatuses for anchoring progressing cavity (PC) pumps. In one embodiment, a method of anchoring a PC pump to a string of tubulars disposed in a wellbore which includes acts of inserting the PC pump and anchor assembly into the tubular. Running the PC pump and anchor assembly through the tubular to any first longitudinal location along the tubular string. Longitudinally and rotationally coupling the PC pump and the anchor assembly to the tubular and forming a seal between the PC pump and the tubular string at the first location and performing a downhole operation in the tubular.01-29-2009
20100294511DOWN-HOLE ACTUATION DEVICE STORAGE APPARATUS AND METHOD FOR LAUNCHING - An apparatus for holding and launching down-hole actuation devices that has a body, a bottom end, a top end and a long bore between the ends. Moveable and protruding into the long bore are retainers upon which down-hole actuation devices may rest. Retainers are moved by a lockable hydraulic drive system. Additionally, a method for loading the apparatus with down-hole actuation devices and for launching said devices into a well bore is provided.11-25-2010
20090114401PLUG - A plug for sealing a conduit comprises a body having a first section and a second section, and at least one seal element for creating a seal between the plug and the conduit. The at least one seal element is adapted to be energised by movement in a setting direction of the first body section relative to the second body section. The plug further comprises seal locking means comprising a first portion and a second portion wherein as the at least one seal is energised, the seal locking means first portion is rotatable unidirectionally relative to the seal locking means second portion to take up the movement of the first body section relative to the second body section in the setting direction and prevent movement of the first body section relative to the second body section in a releasing direction, opposite the setting direction. In one embodiment the seal locking means first portion is a locking nut.05-07-2009
20120241173PIPE CONVEYED EXTENDABLE WELL LOGGING TOOL WITH PROTECTOR - A pipe conveyed extendable well logging assembly includes a pipe end protector for preventing wellbore debris from entering an opening at the end of the pipe from which a logging tool is extendable. Plugging of the opening is prevented to ensure proper deployment of the extendable logging tool.09-27-2012
20110127046Grip Enhanced Tractoring - A tractor configured for grip locking during advancement to avoid slippage, particularly in open-hole wells. The tractor is equipped with a grip lock mechanism for independently locking an anchor grip in a radially outward direction. This locking occurs sequentially in advance of the power stroke of a reciprocating drive piston associated with the anchor. Thus, radial outward expansion and gripping are ensured at the time pulling of a load in an axial downhole direction is pursued. Such grip locking may be employed throughout tractoring or intermittently, depending upon well characteristics such as formation hardness and well diameter.06-02-2011
20100319934DOWNHOLE TOOLS AND METHODS OF SETTING IN A WELLBORE - A downhole tool disposed in a drillstring includes a bypass valve unit including at least one bypass port, wherein the bypass port is configured to control fluid flow from a central bore of the drillstring to a wellbore annulus, and an activation sub having a frangible obstruction disposed in a central bore thereof and configured to prevent fluid flow to an anchor downhole during a circulation mode, wherein the frangible obstruction is configured to break at a specified fluid pressure in the central bore to allow fluid communication to below.12-23-2010
20110024134Expansion Device - An expansion device for a wellbore servicing tool, comprising a wedge comprising a frusto-conical wall having a tip end, the wedge being configured coaxially along a central axis, a plurality of slip segments, each slip segment comprising an inner surface having an incline surface, and at least one bridge joining each of the incline surfaces to the frusto conical wall. A method of operating a wellbore servicing tool, comprising longitudinally compressing an expansion device along a central axis, upon sufficient compression, separating plural slip segments from a wedge, moving the wedge relative to the slip segments, upon sufficient movement of the wedge relative to the slip segments, separating at least two slip segments from each other.02-03-2011
20110120731Tool Positioning and Latching System - A system and method for positioning a tool within a wellbore are described herein. The interior surface of a tubular string is provided with one or more pluralities of grooves, each defining a selected profile. A tool is lowered into the tubular string, having a blade in communication therewith. The blade includes a plurality of protruding members thereon, which define a profile complementary to at least one of the selected profiles formed by one of the pluralities of grooves. A biasing member in communication with the blade continually biases the blade toward the interior surface of the tubular string to cause the profile of the blade to engage within the corresponding complementary profile of the tubular string. Positioning a tool in this manner is especially advantageous for locating a cutting tool at a precise location to sever a tubular segment at a joint, releasing tensile forces from the joint.05-26-2011
20110132624Landing system for well casing - The method of installing a plurality of casing sections in a well, that includes providing a hanger supporting the casing sections to extend longitudinally in the well, landing the hanger on structure in the well, whereby weight of the casing sections longitudinally compresses the hanger, cementing the casing sections in position in the well, below the hanger, adjusting the hanger to provide for controllable longitudinal shortening of hanger length, thereby removing exertion of casing weight on the hanger, and removing at least part of the hanger away from the well head.06-09-2011
20100186969Downhole Apparatus - Downhole apparatus comprises a base pipe and a plurality of non-concentric pressure deformable chambers mounted externally on the pipe. The chambers may be inflated to increase the diameter of the apparatus and engage and support a surrounding bore wall.07-29-2010
20100032167Method for Making Wellbore that Maintains a Minimum Drift - A well having a minimum drift between or among strings is provided using strings that have a recessed segment and a hanging segment. The length of the recessed segment in the lower end of the upper string is substantially longer than the hanging segment of the lower string that is passed through it. The hanging segments define the drift dimension. In the event the lower string gets stuck in the open hole before it is fully advanced, the hanging segment of the lower string may still be in the recess of the upper string so that the drift dimension can be preserved. Preferably the recess segment is the substantial length of the tubular string apart from its hanging segment near its top end. One or more laterals can be extended through the recessed segments while retaining the drift dimension.02-11-2010
20100038096Downhole Tool with Slip Releasing Mechanism - A downhole tool includes a lock for maintaining a slip in a reduced diameter position when running the tool in the well, and selectively releases the slip to move radially outward to a set position to suspend an anchored portion of the tool within a downhole tubular. The tool includes a mandrel having a through passage, with a hydraulic port within the mandrel that is closed to mandrel internal pressure as the tool is run in the wellbore. A ball seat covers hydraulic ports in the mandrel. A ball may be dropped to seat and increase pressure to open the ports. A piston moves in response to mandrel internal pressure applied through the hydraulic port to unlock the locking device, such that further movement of the piston releases the slip from the reduced diameter position to the set position.02-18-2010
20110073326Anchor Assembly and Method for Anchoring a Downhole Tool - An anchor assembly (03-31-2011
20110073325TORQUE RESISTANT COUPLING FOR OILWELL TOOLSTRING - A downhole oilwell toolstring having an adapter having a male threaded portion, a longitudinally extending tubular female housing having a female threaded portion on an inner surface of the housing, a first end located proximate to the female threaded portion, a second end located distal to the female threaded portion, and a recessed groove extending around the circumference of the interior surface of the female housing at a location between the first end the female threaded portion. The adapter has a first end that is distal from the threaded portion and a second end that is proximate to the threaded portion, and a recessed groove extending around the outer circumference of the adapter at a location between the threaded portion and the first end of the adapter. The female housing is connected with the male adapter by way of the female threaded portion and the male threaded portion engaging one another. A ring is located in the recessed groove in the adapter and the recessed groove in the female housing.03-31-2011
20110073327Two-component mortar composition and method of using same - A two-component mortar composition contains a curable resin component (A), and a curing agent component (B), which is separated therefrom to inhibit reaction and contains, in the resin component (A), a reactive diluent mixture, which comprises at least one hydroxyalkyl di(meth)acrylate, at least one alkyl (meth)acrylate and at least one acetoacetato compound of the general formula (I). A method of fastening an anchoring element in boreholes in mineral substrates includes filling a borehole with the inventive two-component mortar composition, inserting an anchoring element in the borehole immediately after filling the borehole with the mortar composition; with the anchoring element being set after a predetermined time period necessary for the chemical reaction of the resin component (A) with a curing agent components (B).03-31-2011
20110247832EXPANDABLE SLIP RING FOR USE WITH LINER HANGERS AND LINER TOP PACKERS - A liner hanger includes a mandrel and a slip assembly disposed around the mandrel, wherein the slip assembly includes an expandable non-frangible slip ring and a plurality of gripping members. A liner top packer includes a mandrel, a slip assembly disposed around the mandrel, and a sealing element disposed around the mandrel, wherein the slip assembly includes an expandable non-frangible slip ring and a plurality of gripping members disposed circumferentially around the expandable non-frangible slip ring. A method for setting a tool in a wellbore includes running the tool having a slip assembly disposed around a mandrel of the tool into the wellbore, positioning the tool at a predetermined wellbore location, actuating the tool to impart a force on the slip assembly, and expanding the expandable non-frangible slip ring from a first diameter to a second diameter to displace the gripping members radially outward into engagement with a surrounding surface.10-13-2011
20110147011APPARATUS AND METHOD TO SUPPORT A TUBULAR MEMBER - Apparatuses and methods are disclosed herein relating to an apparatus to support a tubular member. The apparatus includes a bowl having a longitudinal axis extending therethrough, in which the bowl includes an inner wall formed about the longitudinal axis that is tapered with respect to the longitudinal axis. The apparatus further includes a plurality of slip assemblies movably disposed within to the bowl and having a tapered outer surface and a tapered inner surface with respect to the longitudinal axis. The tapered outer surface of the plurality of slip assemblies is configured to engage the tapered inner wall of the bowl. Further, the bowl may include a shoulder disposed on the inner wall that extends towards the longitudinal axis with respect to the inner wall. Each of the plurality of slip assemblies may be configured to engage the shoulder of the bowl.06-23-2011
20110147012Downhole Apparatus with a Swellable Support Structure - A downhole apparatus having a radially expanding portion and a support structure are described. The support structure comprises an attachment means for coupling to the apparatus and a support portion configured to be deployed from a first unexpanded condition to a second expanded condition by expansion of the apparatus. In one aspect of the invention, the downhole apparatus is expanded by exposing the swellable material to at least one predetermined fluid, and the support structure abuts the swellable material in its expanded form. A method of use and its application to a well packer, a hanging member, an anchor and a centralising apparatus are described.06-23-2011
20100032169Method and Apparatus for Expanded Liner Extension Using Uphole Expansion - An expansion assembly is run into the well as the expandable liner is made up. A work string is tagged into the expansion assembly and run to depth. Pressure drives the swage to initially expand and move uphole with the attached work string until the liner is expanded to set at least one external packer. The balance of the expansion in the uphole direction is continued until the string is expanded into sealing support of a higher string in the wellbore and the variable swage comes out of the hole with the work string. A shoe is milled out and the process can be repeated.02-11-2010
20110042106CENTRALISER - A centraliser (02-24-2011
20110042105ZERO BACKLASH DOWNHOLE SETTING TOOL AND METHOD - A zero backlash downhole setting tool including a mandrel; a body lock ring at the mandrel; a setting sleeve in operable communication with a device to be set; a rotary take-up in tensile force transmissive contact with the device to be set; and a follower housing configured to follow the rotary take-up in a first mode of operation and extend away therefrom in another mode of operation, the follower being engaged with the body lock ring and method.02-24-2011
20110042104ZERO BACKLASH DOWNHOLE SETTING TOOL AND METHOD - A zero backlash downhole setting tool including a mandrel having a number of recesses therein; a subassembly having a number of fingers at least partially receivable in the recesses, the subassembly in force transmissive communication with a device to be set; a lock wedge in radially deflecting communication with the fingers; and a setting sleeve in operable communication with the device to be set and the lock wedge and method.02-24-2011
20110042103LOAD DISTRIBUTING APPARATUS AND METHOD - Disclosed herein is a load distributing apparatus. The apparatus includes, a sleeve configured to be radially expandable, and a wedge in operable communication with the sleeve such that longitudinal movement of the wedge relative to the sleeve causes an increase in longitudinal load on the sleeve by the wedge until an expanded portion of the sleeve reaches a selected dimension of the wedge after which continued movement of the wedge relative to the sleeve maintains a substantially constant longitudinal load on the sleeve.02-24-2011
20110005778Method and system for anchoring and isolating a wellbore - Downhole tools for anchoring and isolating at least one zone in a wellbore comprise a mandrel having an upper end, a lower end, an outer wall surface, and a longitudinal bore disposed therethrough having an axis. One or more anchors are disposed through the outer wall surface of the mandrel. Each of the anchors has a retracted position and an extended position. An isolation element is disposed along the outer wall surface of the mandrel. The isolation element may cover the anchors or be disposed, above, below, or around the anchors. Engagement of the isolation element with the inner wall surface of the wellbore to isolate at least one zone of the wellbore may be accomplished by piercing the isolation element to permit wellbore fluid to contact a swellable material contained within the isolation element, or by pumping fluid into the isolation element.01-13-2011
20110253388INSERTION OF A PACKOFF INTO A WELLHEAD - Apparatus for the insertion of a pack-off into a recess in a bore of a wellhead body comprises an activating sleeve which has a portion disposed for engagement with the pack-off for the movement of the pack-off into the recess and body portions shaped for location on a datum member within the bore. The activating sleeve includes a plurality of apertures circumferentially spaced about the activating sleeve. A running tool which is adapted to move said activating sleeve into engagement with the packoff carries spring-loaded dogs each disposed in one of the apertures. Each of a plurality of releasing pins is positioned such that it enters a respective one of the apertures when the activating sleeve has caused the packoff to be located in the recess. The entry of the pins into the apertures causes depression of the dogs out of the apertures and allows the consequent release of the activating sleeve from the running tool.10-20-2011
20110253386ANCHOR SYSTEM AND METHOD FOR ANCHORING A TOOL WITH A POSITIONAL BIAS - An anchor system including a housing having a radial opening therein. A piston disposed within the housing and translatable therein. A slip in operable communication with the piston such that translation of the piston axially of the housing causes movement of the slip radially of the housing. The slip having a contact face that is nonparallel to an axis of the housing and nonparallel to a surface against which the slip is configured to be set. A method for anchoring a tool is included.10-20-2011
20110030973Downhole Device - A stop collar or like device is formed in one piece to have a portion for a tool to be attached. Movement of the tool allows the collar to be drawn tightly into engagement onto a pipe or other tubular member. A bow centraliser has alternate bows longitudinally offset to reduce initial insertion force. The centraliser may be formed to have end bands of the type used in the stop collar.02-10-2011
20110132623Expandable Wellbore Liner System - A setting tool has an expansion cone drive sub-assembly operable to axially move an expansion cone of the setting tool through the liner to radially, plastically expand the liner. With the wellbore liner residing outside of a wellbore, the setting tool is changed to enable decoupling the wellbore liner from the setting tool while leaving at least the expansion cone drive sub-assembly substantially assembled.06-09-2011
20110132622APPARATUS AND METHOD FOR INSTALLING A LINER STRING IN A WELLBORE CASING - An apparatus (06-09-2011
20110253389SINGLE TRIP POSITIVE LOCK ADJUSTABLE HANGER LANDING SHOULDER DEVICE - A system, in certain embodiments, includes a landing assembly. The landing assembly includes a top ring. The landing assembly also includes a bottom ring disposed axially below the top ring. A radially interior surface of the top ring is configured to engage a radially exterior surface of the bottom ring via first threading. The landing assembly also includes a lock ring disposed between the top ring and the bottom ring on a radially exterior side of the landing assembly. The landing assembly further includes a landing ring disposed axially below the bottom ring.10-20-2011
20110259609EXPANDING A TUBULAR ELEMENT IN A WELLBORE - A method is provided of radially expanding a tubular element (10-27-2011
20100263877INSTALLABLE LOAD SHOULDER FOR A WELLHEAD - A system for supporting tubing with an installable load shoulder. The system includes a wellhead formed with an enlarged first circumferential groove in the wall of the vertical bore of the wellhead, and a second circumferential groove extending upwardly or downwardly from the first circumferential groove. At least one opening is formed in communication with the second circumferential groove. An annular load shoulder is received within the first circumferential groove, and has an inner surface adapted to support a tubing hanger. The load shoulder is formed from at least three arc-shaped shoulder segments adapted to be received within the first circumferential groove. At least one of the shoulder segments has an engagement member configured to pass through the opening to be received within the second circumferential groove. Rotating the load shoulder such that the engagement member is out of alignment with the opening secures the load shoulder within the wellhead.10-21-2010
20120145410Integral pull-through centralizer - A centralizer comprises a first body portion, a second body portion, a plurality of bow springs connecting the first body portion to the second body portion, and a window disposed in the first body portion. The centralizer may also have a wellbore tubular disposed longitudinally within the first body portion, the second body portion, and the plurality of bow springs, and an upset disposed on the surface of the wellbore tubular and within the window.06-14-2012
20110114338NON-ROTATING CASING CENTRALIZER - A non-rotating downhole sleeve adapted for casing centralization in a borehole. The sleeve includes a tubular body made of hard plastic with integrally formed helical blades positioned around its outer surface and an inner surface which allows drilling fluid to circulate to form a non-rotating fluid bearing between the sleeve and the casing. The tubular sleeve comprises a continuous non-hinged wall structure for surrounding the casing. The non-rotating centralizer sleeve reduces sliding and rotating torque at the surface while drilling the casing, for example, with minimal obstruction to drilling fluid passing between the casing and the surrounding borehole.05-19-2011
20130192851PROVIDING COUPLER PORTIONS ALONG A STRUCTURE - A system or method includes providing coupler portions along a structure. The coupler portions are communicatively engageable with equipment in the structure.08-01-2013
20100276159Non-Damaging Slips and Drillable Bridge Plug - A non-damaging slip assembly includes slips having grit on a smooth surface, the slips preferably made from a ductile material, such that the slips do not cause damage to the wall of a tubular when the slips are set. The slips fail under tensile force during setting. The cone used to expand the slips may have slits that narrow during setting of the slips. The slip assembly may be used to anchor a variety or devices inside a tubular. A drillable, non-damaging bridge plug using the non-damaging slip assembly has a threaded mandrel holding the cone by threads inside the cone. When the slips are set, the slits in the cone narrow such that threads in the cone do not allow rotation of the slips as they are drilled. The bridge plug can be drilled by a PDC bit without damaging the tubular.11-04-2010
20100155083OPEN-HOLE ANCHOR FOR WHIPSTOCK SYSTEM - An anchoring system including a housing; a chamber defined by the housing; and one or more telescopic assemblies disposed in contact with a wall of the housing and responsive to pressure within the chamber and a method for anchoring a tool in a wellbore.06-24-2010
20120037381ANCHOR FOR USE WITH EXPANDABLE TUBULAR - A method of lining a wellbore includes deploying a BHA into the wellbore using a conveyance. The BHA includes setting tool, an anchor, and an expandable tubular. The method further includes pressurizing a bore of the setting tool, thereby releasing the anchor from the setting tool. The method further includes pulling the conveyance, thereby: extending the anchor into engagement with a casing of the wellbore, pulling an expander of the setting tool through the expandable tubular, and expanding the tubular into engagement with an open and/or cased portion of the wellbore and retracting the anchor.02-16-2012
20110308817Multi-Zone Fracturing Completion - A ported housing that may be connected along a casing string and the method for use of the ported housing in fracturing and/or treating multiple zones in a well. A sleeve is connected to the ported housing and may be moved between an initial position that prevents fluid flow through the ports of the housing and second position that permits fluid flow through the ports. A bottom hole assembly may be connected to the sleeve by an anchor. A packer element may create a seal between the bottom hole assembly and the sleeve permitting a pressure differential across the packer element to move bottom hole assembly down the casing moving the sleeve to the second position. In the second position, the formation adjacent to the ported housing may be stimulated and/or treated.12-22-2011
20120305270DOWN-HOLE ACTUATION DEVICE STORAGE APPARATUS AND METHOD FOR LAUNCHING - An apparatus for holding and launching down-hole actuation devices that has a body, a bottom end, a top end and a long bore between the ends. Moveable and protruding into the long bore are retainers upon which down-hole actuation devices may rest. Retainers are moved by a lockable hydraulic drive system. Additionally, a method for loading the apparatus with down-hole actuation devices and for launching said devices into a well bore is provided.12-06-2012
20120305269SYSTEM AND METHOD FOR CASING HANGER RUNNING - In certain embodiments, a hanger running tool includes an inner sleeve and an outer sleeve. The inner sleeve has a first mating surface configured to engage a second mating surface of a hanger to couple the inner sleeve to the hanger. The outer sleeve is disposed about the inner sleeve. The outer sleeve is configured to rotate about a common longitudinal axis with respect to the inner sleeve.12-06-2012
20120145411Running Tool with Feedback Mechanism - A running tool has a stem for connecting to a string of conduit, a body, and a plurality of functional positions selected in response to rotation of the stem relative to the body. A feedback mechanism assembly is connected to the running tool and is operational with rotation of the stem relative to the body. The feedback mechanism assembly increases the torque required to rotate the stem relative to the body when the running tool has reached one of the plurality of its functional positions. The increased torque thereby provides a positive indication that the running tool has reached and is in the desired and proper functional position.06-14-2012
20120103631Gravel Pack Inner String Adjustment Device - A downhole assembly, such as a toe-to-heel gravel pack assembly, has a body with a body passage, outlet ports for slurry, and screens for fluid returns. An inner string deploys in the body to perform the toe-to-heel gravel packing. A telescoping adjustment device allows the inner string to space out properly when deployed to the toe of the assembly. Sealing surfaces or seats of a locating device in the body separate a sealable space and seal against seals on the inner string movably disposed therein. Fluid pumped in the string produces a pressure buildup when the string's port communicates with the sealable space. The pressure buildup indicates that the tool is positioned at a first location in the assembly, and other positions for placement of the tool can then be calculated therefrom.05-03-2012
20110315400TUBULAR POSITIONING SYSTEM AND METHOD OF SELECTIVELY POSITIONING TUBULARS - A tubular positioning system includes a first tubular having a plurality of unique inner profiles disposed at an inner surface thereof and a plurality of second tubulars, each having a unique outer profile disposed at an outer surface thereof, that are runnable within the first tubular. The tubular positioning system is configured such that each of the plurality of second tubulars is prevented from passing one of the unique inner profiles when the unique outer profile thereon engages with one of the unique inner profiles. Each of the plurality of second tubulars is passable by each one of the unique inner profiles when the unique outer profile thereon is non-engagable with the one of the unique inner profiles.12-29-2011
20120043094Packoff With Internal Lockdown Mechanism - A packoff is located within a wellhead housing and a casing hanger. The packoff has an internal ratchet ring that engages a threaded profile on the exterior of the casing hanger thereby allowing installation of the packoff to be achieved by simply stabbing the packoff over the protruding neck of the casing hanger. This ratchet ring significantly reduces the rotation required during installation, decreasing potential for damage to seals. The casing hanger has an external lock ring that is inwardly biased. During installation of the packoff, the packoff acts to activate the lock ring to thereby force it outward. The lock ring is forced outward and into a recess formed in the interior of the wellhead housing. The lock ring and the ratchet ring locks the packoff and casing hanger into place with the wellhead housing without the need of external lockdown screws, thereby minimizing leak paths.02-23-2012
20120061099ANCHOR FOR A TUBING STRING AND METHOD - Disclosed herein is a tubing string anchor for resisting angular rotation of the tubing string, as when undergoing pumping through the string. The anchor includes a plurality of anchoring members each rotatable about a fulcrum between a locking position and a non-locking position. The anchor housing has a groove formed between adjacent anchoring members through which a string may be run to access below the anchor when the anchor is installed.03-15-2012
20120061101METHOD OF RUNNING A PIPE STRING HAVING AN OUTER DIAMETER TRANSITION - One embodiment provides an adjustable guide 03-15-2012
20120006566FIBER SUPPORT ARRANGEMENT AND METHOD - A fiber support arrangement for a downhole tool includes at least one tubular and at least one bracket positioning the at least one tubular spaced radially from a downhole tool and lacking contact therewith. At least two fibers are supported at the at least one tubular with at least two of the at least two fibers having a different helical angle from one another relative to an axis of the downhole tool.01-12-2012
20120006567DEEP WATER DRILLING WITH CASING - Methods and apparatus are provided to place a conductor pipe and a casing in a subsea environment. In one embodiment, a conductor pipe is jetted or drilled into the subsea floor. Thereafter, a casing drilling assembly comprising a drill casing and a drilling assembly is connected to the drill pipe using a crossover. The drilling assembly urged into the seafloor until a casing latch on the drilling assembly is engaged with a casing profile of the conductor pipe. During drilling, instrumentation in the drilling assembly may be used to measure geophysical data. The measured data may be used to optimize the drilling process. After the drill casing is engaged with the conductor pipe, cementing may be performed to set the drill casing.01-12-2012
20120012338SELECTIVE AND NON-SELECTIVE LOCK MANDREL ASSEMBLY HAVING UPWARD BIASED INNER SLEEVE - Selective and non-selective lock mandrel assemblies include a lock mandrel affixing to a running tool. A collet on the tool holds an inner mandrel in a downhole position in the lock mandrel. For the non-selective assembly, a biased key on the lock mandrel extends into a nipple profile, and shoulders on the key and profile stop further run-in. Operators shear a first shear pin on the running tool by jarring down, and the collet moves and releases its hold on the inner mandrel. Freed, the inner mandrel biased by a spring moves to an uphole position, and a flange fits behind the extended key to lock it in the profile. For the selective assembly, the biased key is held retracted until activated using locator dogs on the running tool to engage a transition when running uphole. Once the lock mandrel is set, operators detach the running tool from it.01-19-2012
20120152567DOWNHOLE RELEASE JOINT WITH RADIALLY EXPANDABLE MEMBER - An apparatus comprises an expansion device that is coupled to a support member and operable to be disposed within a tubular member. The expansion device is operable to radially expand the tubular member as the expansion device moves axially through the tubular member. A latch assembly is coupled to the support member and is operable to engage a corresponding latch receptacle disposed within the tubular member so as to limit the axial movement of the expansion device relative to the tubular member06-21-2012
20120152568Downhole Apparatus with a Swellable Support Structure - A downhole apparatus having a radially expanding portion and a support structure are described. The support structure comprises an attachment means for coupling to the apparatus and a support portion configured to be deployed from a first unexpanded condition to a second expanded condition by expansion of the apparatus. In one aspect of the invention, the downhole apparatus is expanded by exposing the swellable material to at least one predetermined fluid, and the support structure abuts the swellable material in its expanded form. A method of use and its application to a well packer, a hanging member, an anchor and a centralising apparatus are described.06-21-2012
20120061100LINER HANGER - Liner hanger to be placed in an existing casing with a flexible expansion seal (03-15-2012
20100096144Spring Loaded Anchor System for Electro-Coil Tubing Deployed ESP's - An electrical line for installation in a well for transmitting power to a well pump includes a string of coiled tubing. An electrical cable having insulated electrical conductors embedded within an elastomeric jacket extends longitudinally through the interior passage of the tubing. Body members are placed around the outer periphery of the electrical cable, and the body members are compressed onto the electrical cable through the use of an anchor assembly. The anchor assembly is held in a compressed state through the use of frangible support elements. Once the electrical cable is in place within the coiled tubing, the user applies an external force to cause the support elements to fail, thereby releasing the anchor assembly from its compressed state. The anchor assembly contacts the inner wall of the coiled tubing, such that the weight of the electrical cable is transferred to coiled tubing.04-22-2010
20120160518Apparatus for Applying an Axial Force to Well Pipe Slips - An apparatus for gripping a string of well pipe being lowered into or retrieved from a well includes pipe slips defining a central bore opening having an axis. The pipe slips are configured to abut and grip a surface of a pipe passing through the central bore opening while the pipe slips are in a first position. The pipe slips are further configured to allow axial movement of the pipe when moved to a second position. The apparatus includes at least one hydraulic ram device configured to exert an axial force on the pipe slips while the pipe slips are in the first position to enhance gripping of the pipe.06-28-2012
20120132441Wellhead Assembly With Telescoping Casing Hanger - A wellhead housing has a casing hanger with an actuator mechanism to provide for direct transfer of casing and pressure loads to the housing even in conditions where the casing hanger may be set in a high position in the wellhead housing on a load shoulder, or in a casing hanger in the wellhead housing for an earlier installed, larger diameter casing string.05-31-2012
20120132440Expandable Screen Assembly and Method of Expanding a Plurality of Screens - An expandable screen assembly includes, a tubular, and a plurality of screens in operable communication with the tubular each of the plurality of screens is configured to radially expand in response to a same force longitudinally compressing the plurality of screens.05-31-2012
20120312556Seal - An annular sealing element to seal between metal surfaces for use in flanges, joints, packers and the like, located in oil and gas exploration and production equipment. The sealing element has inner and outer metal deformable surfaces joined at ends, defining an interior volume which is entirely filled with a plastic deformable material. The surfaces are arranged such that on compression of the element from the ends, the element will deform in a controlled manner on a cantilever principle. The volume of filler and the interior volume remain substantially equal during compression so that delamination does not occur. Thus the sealing element provides a seal combining the flexibility of elastomer seals with the integrity of a metal to metal seal.12-13-2012
20120211245Downhole Clamping Mechanism - An anchoring system for use with a downhole tool includes a body with anchor members mounted on the body that pivot radially outward from the body and into engagement with an inner surface of a tubular. Curved slots are provided along a portion of the members and a sliding block has a protrusion that projects into the slots. The slots are curved so that when the block is urged axially within the body, the interaction between the slots and protrusions pivots the members radially outward. A piston is urged through the body to drive the block. Optionally, an elongate helical gear may cooperate with grooves formed in an edge of the members so that rotating the gear pivots the members radially outward.08-23-2012
20120168178Well Tool with Shearable Collet - A running tool for well drilling operations is carried by a running string into and out of a wellbore. A collet is carried by the running tool, the collet having fingers with a radially expanded position arranged to latch against a wellbore shoulder in the wellbore. The fingers are resiliently and radially contractible. A shear element is carried by the collet, the shear element preventing the fingers from radially contracting to unlatch the running tool while the shear element is intact. If a selected axial force is applied against the shear element, it shears, freeing the collet fingers to retract. The collet may be part of a tool to set and release a liner hanger from engagement with a string of casing.07-05-2012
20100051293DOWNHOLE TOOL WITH LOAD DIVERTING SYSTEM AND METHOD - A downhole tool for providing a seal downhole within a wellbore for reducing loading experienced by a sealing member of the downhole tool is disclosed. The downhole tool may include a pair of directional locking members, at least one of which is operable to transfer a loading experienced by the downhole tool through rigid components of the downhole tool, thereby bypassing the sealing member.03-04-2010
20120073831Mud saver mat for rig floors and other areas - Mats, pipe stands, and/or other structures, and methods for receiving fluid drained from one or more oilfield tubulars are described. Usable mats can include a base member at least partially impermeable to fluid from the oilfield tubulars, a first plurality of support arms secured to the top surface of the base member, and a second plurality of support arms intersecting the first plurality of support arms. The intersection between the pluralities of support arms defines openings through which fluid from oilfield tubulars supported on top of the support members or within the openings can drain, such that fluid from the tubulars does not spread on a rig floor or other surface beneath the base member. The base member and/or support arms are provided with a height and/or thickness adapted to support the weight of one or more oilfield tubulars placed thereon.03-29-2012
20120073830Universal Backup for Swellable Packers - A universal backup member is provided for use on packers and other downhole tools that use members selected for expansion upon exposure to a wellbore fluid. The backup member prevents axial extrusion of the swellable member. An elastomer portion of the backup member is selected for expansion in wellbore fluids that include both aqueous solutions and hydrocarbons, without regard to the fluid in the wellbore.03-29-2012
20120186829Setting Tool - A downhole setting tool is provided. The tool comprises a tool housing and a hollow mandrel, the mandrel being situated in the housing. The tool further comprises a piston situated between the mandrel and the tool housing and a collar situated between the mandrel and the tool housing, wherein the tool housing, the mandrel, the piston and the collar define an annulus. The tool further comprises a first valve, wherein in a closed position the first valve blocks a path of fluid communication between the interior of the mandrel and the annulus.07-26-2012
20120267122DOWNHOLE EXTENDING PORTS - A method and apparatus for centering and engaging a casing against a wellbore. The apparatus comprises a valve body locatable in-line with the casing the valve body having an outer casing extending between first and second ends and a central passage therethrough, and at least one radially movable body extending therethrough. Each radially movable body has an aperture therethrough so as to permit an exterior of the valve body and the central passage to be in fluidic communication with each other. The apparatus further comprises a cylinder and a piston therein operable connected to the radially movable body in selective fluidic communication with the central passage. The method comprises locating the valve body in line with a wellbore casing, pressurizing the casing with a pressurizing fluid and transmitting the pressurizing fluid the cylinder so as to displace a piston located therein and extend the radially movable body.10-25-2012
20120267121Limit collar - A limit collar includes a limit component coupled to a surface of a wellbore tubular; and an interface component engaging the limit component. The interface component may include an extension, and wherein at least one surface of the extension is coupled to the limit component. The extension may also include a side extension.10-25-2012
20100326674Torque-Provider - An assembly for providing torque to an object in a wellhead. The assembly includes a body attachable to the wellhead and including a bore with a centerline. The body further includes a first set of pistons within cylinders oriented at angles offset from and perpendicular to the centerline of the bore. The pistons are moveable within the cylinders between a retracted position and an extended position where the pistons are extended into the body bore. The movement of the pistons between the retracted and extended positions imparts a linear force capable of rotating the object in the wellhead in a first direction.12-30-2010
20110120732DEVICE AND METHOD OF LINING A WELLBORE - A device and method for lining the wall of a wellbore (05-26-2011
20110036595Direct Connecting Downhole Control System - A system and method are provided for direct connecting downhole control hydraulics through an oil field hanger, where the hanger is coupled to a wellhead, to hydraulic lines extending outside the wellhead. Further, the direct connection allows hydraulic system integrity with reduced contamination and leakage. Hydraulic tool ports, formed on the hanger, are coupled with hydraulic lines extending downward to a hydraulic tool. Side ports, formed in the hanger, are fluidicly coupled to the hydraulic tool ports. Hydraulic lines extending outside the wellhead are directly coupled with the side ports by accessing the side ports through access openings in the wellhead when the ports are aligned with the access openings. The system can still maintain pressure within internal spaces of the wellhead after the connection by sealing the access openings with flanges, where the hydraulic lines extend through openings in the flanges that are also sealed around the lines.02-17-2011
20110036594Liner Hanger Running Tool and Method - A liner hanger running tool (02-17-2011
20110226488TUBING STRING HANGER AND TENSIONER ASSEMBLY - An apparatus for supporting a rotatable tubing string in a well and for tensioning the tubing string includes a tubing head (09-22-2011
20120125637NON-METALLIC SLIP ASSEMBLY AND RELATED METHODS - A slip assembly adapted to be used with a downhole tool which comprises metal slip inserts attached to a slip carrier made of a non-metallic material, such as composite material. As such, the non-metallic slip carrier can eliminate 60-70% or more of the metal used in conventional slip assemblies. Through use of the disclosed slip assembly, downhole tools may be set, while also reducing the metallic material used therein and, thus, greatly reducing the drill out time.05-24-2012
20120125636REMOTE OPERATION OF A ROTATING CONTROL DEVICE BEARING CLAMP - An RCD can include a housing assembly containing a bearing assembly and a rotating seal which seals an annulus between a tubular string and a body of the RCD, and a remotely operable clamp device which selectively permits and prevents displacement of the housing assembly relative to the body. A method of remotely operating a clamp device can include rotating a threaded member which is secured relative to an RCD body, and displacing a clamp section in response to the threaded member rotation, thereby selectively securing and releasing a bearing assembly and an annular seal relative to the body. Another RCD can include a rotating seal which seals an annulus between a tubular string and a body of the RCD, and a remotely operable clamp device which selectively permits and prevents access to an interior of the body, the clamp device including a motor which rotates a threaded member.05-24-2012
20100243274EXPANDABLE STRUCTURE FOR DEPLOYMENT IN A WELL - An expandable structure for passive deployment in a well. The structure may be locked in a position determined by the inner dimensions of the well in which it is deployed. Practical uses for the structure may include production tubing or a host of other devices for affixing downhole with a final diameter as determined by the inner diameter of the well. Additionally, the structure may be configured for advancement to a targeted well location while in a collapsed state. Thus, upon deployment, subsequent structures may be advanced through the expanded/deployed structure. As such, affixed structures may be deployed downhole in both top-down and bottom-up fashions without concern over a prior deployed structure obstructing subsequent structure deployment downhole thereof.09-30-2010
20120298379METHOD AND SYSTEM FOR LINING A SECTION OF A WELLBORE WITH AN EXPANDABLE TUBULAR ELEMENT - A system and method for lining a section of a wellbore with an expandable tubular element. The system comprises an elongate drill string having a force multiplier near a lower end thereof, which is housed within the expandable tubular element. An expander for expanding the tubular element is arranged at a lower end of the force multiplier. Anchoring means are provided at the exterior of the tubular element for anchoring the tubular element in the wellbore. Pulling the expander through the expandable tubular using the force multiplier may be combined with pulling the drill string upwards. A sudden drop of the hydraulic pressure in the force multiplier drops will confirm fixation of the anchoring means in the wellbore wall.11-29-2012
20120325499LINER TOP PACKER FOR LINER DRILLING - A liner top packer is configured to be secured in a liner string, such as in a liner drilling operation. The packer is actuated from within the liner or packer body. An actuator assembly includes an inner piston, an actuator housing, and an outer piston. A tubular setting tool is moved upwardly through the inner piston, and dogs on the setting tool allow for force to be applied to the inner piston, pressurizing fluid and forcing it to the outer piston to compress a pack off element. The actuator assembly is removed by upward force applied by a foot of the setting tool on the inner piston, the actuator housing, or any other component of the actuator assembly.12-27-2012
20120325498FLOATING SPIDER - Apparatus and methods for engaging and gripping a tubular, with the apparatus including a sleeve having a body defining an internal chamber therein, with the sleeve configured to receive the tubular through the internal chamber. The apparatus may also include a laterally translatable spider disposed at least partially in the sleeve and including a bore to receive the tubular.12-27-2012
20100230116ANCHORING SYSTEM AND METHOD - An anchor system includes an anchoring device and at least one of a restriction indicator and a load isolation device in operable communication with the anchoring device and method.09-16-2010
20120279725Expandable Tubular Centralizer - A centralizer device that is set by expansion of an inner expandable tubular member. The centralizer is made up of either one or a plurality of centralizer bands which radially surround an inner, radially expandable tubular member. Each of the centralizer bands includes one or more expansion sections which buckles under tension to form a loop. Generally semicircular, opposing tension straps are affixed to opposite end portions of the expansion section. The tension straps underlie the expansion section and radially surround the inner tubular member in a close-fitting, snug relation. A closure mechanism is used to secure each centralizer band to the inner tubular member.11-08-2012
20120279726SYSTEM AND METHOD FOR MONITORING AND CONTROLLING SNUBBING SLIPS - The invention is directed to a system and method for monitoring and controlling a snubbing unit having traveling slips and stationary slips. Position sensors are associated with the slips for detecting opened and closed positions of the slips. Load sensors are associated with the slips for detecting load status of the slips. A control system receives input signals from the sensors, and confirms that either the traveling slips or the stationary slips are loaded before releasing or allowing the release the opposing set of slips, when transferring the pipe string load from the one set of slips to the other set of slips.11-08-2012
20110272165Locating sub system and method of orienting and/or positioning - The locating sub system and method for orienting and/or positioning a tool within a well-bore allow for orientation and positioning of one or more tools within a well-bore to perform precise operations within a well-bore. The locating sub apparatus can include a latching member that engages and causes a tubular member to rotate to a desired orientation and/or position for down-hole operations. The locating sub apparatus can further include a sacrificial sub that houses a latching member and a tubular member to traverse the well-bore to the site for down-hole operations. Upon completion of down-hole operations as desired or in an emergency, an upward force can be exerted upon the tubular member thereby disengaging an frangible member causing the tubular member to disengage from the latching member allowing for retrieval of the tubular member through the well-bore.11-10-2011
20120090855 Down hole well tool with expansion tool - A down hole well tool (04-19-2012
20120090854PRESSURE BEARING WALL AND SUPPORT STRUCTURE THEREFOR - A method of supporting a pressure bearing wall against a pressure differential applied across the wall can include positioning a support structure proximate the pressure bearing wall, the support structure having a support surface formed thereon, and the support surface contacting the pressure bearing wall and supporting the wall against the pressure differential. A pressure bearing housing assembly can include a pressure bearing wall and a support structure which supports the pressure bearing wall against a pressure differential applied across the wall. A well system can comprise a well tool including a pressure bearing housing assembly exposed to pressure in a wellbore, whereby a pressure differential is applied across a pressure bearing wall of the housing assembly, the pressure bearing wall being supported against the pressure differential by a support structure.04-19-2012
20090188677SMALL FOOTPRINT DRILLING RIG - A method and apparatus for a moving a floor structure relative to a base structure is provided. The apparatus includes a base structure having an opening for a well head, a floor structure coupled to the base structure by a plurality of support members, and a drive mechanism disposed on the floor structure, the drive mechanism providing motive force to the support members for moving the floor structure relative to the base structure in a single first direction.07-30-2009
20120138313Removable Insert for Formation of a Recess in a Tubular by Expansion - A material that dissolves or disintegrates is secured to an inside surface of tubular goods before swaging or expansion takes place. The material remains in position as the swaging occurs and post expansion is removed leaving a recess of a desired shape to function for a variety of purposes depending on its shape and location. At the end of a tubular it can serve as a bell into which the next string is expanded for a monobore completion. In other locations in a tubular it can function as a landing collar for a variety of tools. It can also function as a seal bore as the added material is removed preferably with water. The preferred material is an alloy of aluminum, tin and zinc.06-07-2012
20100175895Permeability Modification - Downhole apparatus for location in a bore which intersects a fluid-producing formation comprises a bore wall-supporting member configurable to provide and maintain a bore wall supporting force for a fluid-producing formation of at least 2 MPa, whereby fluid may flow from the formation into the bore. The bore wall supporting force may be utilised to modify or maintain the permeability of the rock adjacent the bore wall.07-15-2010
20100175894SINGLE TRIP WELL COMPLETION SYSTEM - A completion system that is usable with a well may include a packer, a screen, an isolation valve and an annulus communication valve. The screen communicates well fluid between an annulus of the well and an interior passageway of the completion system. The isolation valve is radially disposed inside the screen to control communication through the screen between the annulus and the interior passageway. The annulus communication valve is located downhole of the packer and uphole of the screen to control communication with the annulus of the well. The packer, screen, isolation valve and the annulus communication valve are adapted to be run downhole as a unit into the well as a single trip completion.07-15-2010
20130020096Method and Apparatus for Catching and Retrieving Objects in a Well - A magnet assembly can be attached to, or placed in the vicinity of, a conventional bell nipple to generate a magnetic field within the central bore of the bell nipple. The magnetic field catches falling metal objects and prevents such objects from passing beyond the bell nipple and entering the subterranean portions of a wellbore. An optional diverter assembly slows the velocity of falling metal objects before reaching the magnet assembly, while also wiping the outer surface of pipe or other items lowered into a wellbore.01-24-2013
20130020095Adjustable Mudline Tubing Hanger Suspension System - An adjustable mudline suspension system, including a tubing hanger having an exterior profile, a clamp having an inner profile to mate with the exterior profile of the tubing hanger, a biasing element to bias the clamp radially inward into an engaged position where the inner and exterior profiles are mated, and a piston to bias the clamp radially outward into a disengaged position where the inner and exterior profiles are not mated when hydraulically actuated. The weight of the tubing hanger is supported by the adjustable mudline suspension system when the interior profile of the clamp mates with the exterior profile of the hanger.01-24-2013
20120241172PIPE CONVEYED EXTENDABLE WELL LOGGING TOOL - A pipe conveyed extendable well logging assembly includes a deployment system for extending and retracting a well logging tool relative to the pipe while downhole. The logging tool may be releasably latched to the pipe, and may include position sensors for position feedback and depth correction.09-27-2012
20120241171Multiple Liner Hanger Assembly - A hanger assembly provided for multiple hanging opportunities. If liner is being run and the primary hanger doesn't work then a backup hanger is available to set near the nonfunctional primary hanger. In drilling with casing applications when there is a steering equipment malfunction or an MWD breakdown or bit wear requiring the BHA to be pulled, the liner can be hung where it is and the BHA pulled. Upon running back in with the BHA on a running tool the initial hanger can be released and the running tool configured to only set a different hanger when the total depth is reached in drilling with the liner. The running tool is then retrieved and the completion can go on.09-27-2012
20130175051HIGH PRESSURE LOCK ASSEMBLY - A lock assembly including a mandrel having at least one window therein. At least one dog corresponds to the at least one window and is radially extendable therethrough. The at least one dog is operatively arranged for engaging at least one feature of a tubular radially disposed with the mandrel. At least one seal element is arranged for sealing the mandrel with respect to the tubular and operatively positioned with respect to the at least one dog for maintaining the mandrel solely in compression against the at least one dog during fluid pressure loading on the mandrel in either longitudinal direction with respect to the lock assembly.07-11-2013
20130112432Accelerator Mixture for Peroxide Hardener and Two-Component Mortar System Containing Same - An accelerator mixture for peroxide hardeners, in particular an accelerator mixture for an organic peroxide-curing resin mixture, a two-component mortar system containing the same for chemical fastening and use of the same for chemical fastening of anchoring elements in boreholes are disclosed. Using a mixture of bis-N-substituted p-toluidines with bis-N-substituted anilines or bis-N-substituted m-toluidines, it is possible to provide a mortar composition for chemical fastening of anchoring elements in boreholes, which will have an improved low-temperature curing and improved load ratings at high temperatures with an extended gel time.05-09-2013
20130092399TOOLS AND METHODS FOR HANGING AND/OR EXPANDING LINER STRINGS - Embodiments of the invention generally relate to tools and methods for hanging and/or expanding liner strings. In one embodiment, a method of hanging a liner assembly from a previously installed tubular in a wellbore includes running the liner assembly and a setting tool into the wellbore using a run-in string. The setting tool includes an isolation valve and the liner assembly includes a liner hanger and a liner string. The method further includes sending an instruction signal from the surface to the isolation valve, wherein the isolation valve closes in response to the instruction signal and isolates a setting pressure in the setting tool from the liner string; and increasing fluid pressure in the setting tool, thereby setting the liner hanger.04-18-2013
20130092397SCALLOPED LANDING RING - A landing ring having at least one scallop groove formed on an interior of the ring. The landing ring interfaces with a fluted mandrel casing hanger such that the scallop groove aligns between flutes of the hanger. This alignment of the scallop groove of the landing ring with the fluted mandrel casing hanger provides sufficient clearance to allow a stabbing in of a cement tube for cement injection during cement topping operations or debris clean out down hole.04-18-2013
20130092398METHOD AND APPARATUS FOR REMOVING SHIFTING TOOLS AND PROVIDING WELLBORE ISOLATION - A system for performing a downhole operation including a tubular string having a locking profile non-movably located therewith. At least one member is movably mounted with the string and includes an engagement profile. A tool is runnable with the string and has at least one sub with a key. The key is selectively engagable and disengagable with the engagement profile for enabling the tool to control movement of the member with respect to the string when engaged therewith. The key is engagable with the locking profile for restricting relative movement between the string and the tool when engaged therewith. A method of performing a downhole operation is also included.04-18-2013
20130098634MONOBORE EXPANSION SYSTEM - ANCHORED LINER - Methods for forming a wellbore may include placing an upper section of inside a lower section of a parent liner; positioning an upper sealing member and a lower sealing member in the wellbore to form a pressure chamber, and expanding the second liner using the pressure chamber. The sealing members move axially relative to one another and the second liner has an inner bore that is hydraulically isolated from the pressure chamber. A related apparatus may include upper and lower sealing members that cooperate to form a pressure chamber that is hydraulically isolated from an inner bore of the second liner. A work string may include the sealing members, a connector that extends through the pressure chamber and the second liner; and an expander. The expander expands the second liner in response to the axial separation of the sealing members.04-25-2013
20130098633RECOVERABLE PRODUCTION MODULE FOR USE WITH A PRODUCTION TREE - A wellhead assembly having a production module that includes valves, modules, and passages and mounts onto a production tree. As the production module lands onto the production tree, flow passages in the production tree register with corresponding flow passages in the module. A production spool has an exit connected to a production flow jumper. The production spool can be supported by coupling to the production tree and has a stab that connects to a production flow passage when the production module is landed on the production tree. The production module can be removed from the production tree without disturbing the connection between the production spool and the production flow jumper.04-25-2013
20100018720EXPANDABLE RAMP GRIPPER - A gripper for use in a downhole tool is provided. The gripper can include an actuator, an engagement assembly, and an expandable assembly. The engagement assembly can comprise a leaf-spring like elongate continuous beam. The expandable assembly can comprise a linkage including a plurality of links. The linkage can be coupled to the actuator such that the actuator expands the expandable assembly which in turn expands the engagement assembly. In operation, during one stage of expansion radial forces are transmitted to the engagement assembly through both interaction of a rolling mechanism on the engagement assembly with the expandable assembly and pressure of the linkage assembly directly on an inner surface of the engagement assembly.01-28-2010
20080202769Well Wall Gripping Element - A gripping element for incorporation into a track of a downhole tractor. The gripping element may be configured with an arcuate or curved surface in order to roughly match the arcuate nature of a well through which the downhole tractor is advanced. Due to the matching arcuate surfaces of the gripping element and the wall of the well, problems associated with uneven wear on the tracks may be avoided. Furthermore, damage to the well wall may be minimized as a result of the substantially matching surfaces of the well wall and the track made up of such gripping elements. Additionally, the gripping element may be made up of primarily a monolithic body in order to avoid challenges presented by some segmented body configurations.08-28-2008
20130146306CASING HANGER LOCKDOWN WITH CONICAL LOCKDOWN RING - A seal seals an annulus in a subsea assembly between a wellhead and a casing hanger landed on a shoulder within a bore of the wellhead. The seal includes a casing hanger seal ring disposed within the annulus. The seal ring engaged with an inner diameter surface of the wellhead, and engaged with an outer diameter surface of the casing hanger so that the seal ring prevents flow through the annulus. A nose ring is secured to a lower end of the seal ring so that, when the seal ring is energized, a conical surface of the nose ring engages a mating conical profile formed in the inner diameter surface portion of the wellhead and the nose ring engages a surface opposite the conical surface with a substantially smooth outer diameter surface portion of the casing hanger to limit upwards axial movement of the casing hanger.06-13-2013
20130146307TREATMENT PLUG AND METHOD OF ANCHORING A TREATMENT PLUG AND THEN REMOVING A PORTION THEREOF - A treatment plug includes, a metal tubular expandable into sealing and anchoring engagement with a surrounding structure, the metal tubular having a shoulder at an inner radial surface thereof, and a composite plug sealable with the metal tubular and anchorable to the shoulder06-13-2013
20130146308Support Device Of Equipment Inside A Well, A Process For Fixing It And A Process For Placing Such Equipment - The present invention relates to a support device for tubular equipment, such as a liner inside a well, said support device including two elements attached to each other, comprising: a) a cylindrical sleeve, made of ductile metal, the cylindrical sleeve having an external diameter slightly less than an inner diameter of the well or of a casing inserted into the well; b) a set of tabs made of hard metal, which are spaced apart from each other and integral with the cylindrical sleeve, the tabs extending downwards from the cylindrical sleeve, wherein an outer wall of the tabs is fitted with a series of notched formations, such as teeth, whereas an inner wall of the tabs has a conical form, the apex of which is turned down. Methods of using the aforementioned support device are also disclosed.06-13-2013
20130146309Differential Shifting Tool and Method of Shifting - A shifting tool and method of shifting a downhole device that requires only a minimal profile or no profile to engage and move the movable portion of the tool. The invention comprises a ported housing assembly and at least one friction pad alignable with said at least one port and radially movable through the port between a first pad position and a second pad position. In the second pad position, the friction pad extends outside said outer diameter of said housing assembly to engage the targeted downhole device. A mandrel positioned through the ported housing has a first section with a first outer diameter and a second section with a second outer diameter, said second outer diameter being greater than said first outer diameter. The mandrel is movable between a first mandrel position and a second mandrel position. In the second mandrel position, the second outer diameter supports the friction pads in the second pad position.06-13-2013
20080196903Shoe for Wellbore Iining Tubing - This invention relates to a shoe for wellbore lining tubing and to a method of locating wellbore lining tubing in a wellbore. In one embodiment, a shoe (08-21-2008
20110220370METHOD AND SYSTEM FOR FIXING AN ELEMENT IN A BOREHOLE - A method is provided of fixing at least one element, preferably a sensor or a valve, in a borehole formed in an earth formation. The method comprises positioning each element in the borehole, positioning a swellable body in the borehole, the swellable body being susceptible of swelling upon contact with a swell fluid, wherein the swellable body is arranged to press the element against a wall of the borehole upon swelling of the swellable body, and allowing the swell fluid to contact the swellable body thereby inducing the swellable body to swell and to press the element against said wall of the borehole.09-15-2011
20110220369METHODS AND APPARATUS RELATING TO EXPANSION TOOLS FOR TUBULAR STRINGS - An expansion tool for use in a wellbore includes an expansion surface made up of a concave portion, a convex portion and a straight section therebetween. In one aspect, the center section is formed according to a formula Y=(1.26) (X)−0.13, where X is the wall thickness of a tubular and Y is the length of the center section. In another aspect, the expansion surface includes a first concave portion and a convex portion having an arc length extending the concave portion to a trailing edge of the tool. In another embodiment, the concave and convex portions are radius-shaped. The arrangement of the shapes and their relation to each other reduces relatively high and low contact pressures and lessens the effects of axial bending in a tubular or a connection.09-15-2011
20100307768Downhole Tubular Lifter and Method of Using the Same - A method of raising a tubular, comprising attaching a lifter to a tubular associated with a wellbore, and operating the lifter to transmit a downward force to a subterranean formation via a surface of the wellbore formed in the subterranean formation while also operating the lifter to transmit an upward force to the tubular. A lifter for lifting a tubular associated with a wellbore comprising a securing mechanism configured to restrict movement of the securing mechanism relative to an upper tubular portion, and a piston configured to be received within a lower tubular portion and configured to promote a seal between the piston and the lower tubular portion.12-09-2010
20100307767Coupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore - A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. A moveable cover is disposed interior to the slip thereby restricting movement of the slip from a unset position to a set position. The liner hanger housing is secured in the string of casing and an actuator is mounted on the liner. As the liner is moved through the casing coupler, the actuator actuates the cover, causing the cover to be moved so that the slip can move axially downward from its unset position to its set position. As the cover is moved, the slip moves radially inward and grips the liner to secure the liner within the casing string of the wellbore.12-09-2010
20120273237EXPANSION SYSTEM FOR AN EXPANDABLE TUBULAR ASSEMBLY - The present invention generally relates to an apparatus and method for expanding an expandable tubular assembly in a borehole. In one aspect, a system for expanding a tubular having an anchor portion in a borehole is provided. The system includes a running tool configured to position the tubular in the borehole. The running tool including a first expander configured to activate the anchor portion by expanding the tubular to a first diameter. The system further includes a second expander configured to expand the tubular to a second larger diameter, wherein the second expander is movable between a retracted position and an expanded position. In another aspect, a method of expanding a tubular having an anchor portion in a borehole is provided.11-01-2012
20120273236EXPANDABLE OPEN-HOLE ANCHOR - The present invention generally relates to an apparatus and method for expanding an anchoring device in a borehole. In one aspect, an anchoring device is provided. The anchoring device includes an expandable tubular. The anchoring device further includes a plurality of bands disposed on an outer surface of the expandable tubular. Each band is attached to the tubular at a first connection point and a second connection point, wherein each band is configured to bow radially outward as the expandable tubular shortens in length in response to the expansion of the tubular. In a further aspect, a method of attaching an anchoring device in a borehole is provided.11-01-2012
20100314131VARIABLE LINKAGE ASSISTED GRIPPER - A gripper mechanism for downhole tool is disclosed that includes a linkage mechanism and a flexible toe disposed over the linkage mechanism. In operation, an axial force generated by a power section of the gripper expands the linkage mechanism, which applies a radial expansion force to the flexible toe. For certain expansion diameters, the expansion force can be primarily transmitted to the toe from a roller-ramp interface expanding the linkage. For other expansion diameters, the expansion force can be primarily transmitted to the toe by expansion of the linkage in a three-bar linkage configuration. For other expansion diameters, the expansion force can be primarily transmitted to the toe by expansion of the linkage in a four-bar linkage configuration. Thus, the gripper can provide a desired expansion force over a large range of expansion diameters.12-16-2010
20100314130HIGH-RATIO TUBULAR EXPANSION - A system comprising a first expandable tubular section and a first expansion bridge coupled to an inner surface of the first expandable tubular section. A base pipe is coupled to the first expandable tubular section and to a second expandable tubular section. A second expansion bridge is coupled to an inner surface of the second expandable tubular section. The system also comprises an expansion cone disposed within and translatable relative to the first expandable section. The expansion cone has an expansion diameter greater than an inner diameter of the first and second expansion bridges and less than an inner diameter of the base pipe.12-16-2010
20100314129Running Tool - A running tool for delivering a hanger into a wellcomprises a main body. In addition, the running tool comprise an attachment means for connecting a hanger to the main body. Further, the running tool comprises a sleeve having an external profile and being rotatably mounted around the main body. The sleeve has engagement means for releasably connecting the sleeve to a landing ring mounted via a thread on the hanger such that rotational movement of the sleeve causes rotational and thus axial movement of the landing shoulder on the hanger.12-16-2010
20110232920Full Bore System Without Stop Shoulder - A production assembly for controlling production from a well, the assembly including a wellhead that includes a body and a bore through the body. The bore does not include a hanger support shoulder but does include an engagement profile extending into the body. The assembly also includes a tubing hanger assembly installable in the wellhead. The assembly includes a load shoulder including a load segment expandable into supporting engagement with the bore engagement profile. The assembly also includes a tubing hanger and attached production tubing capable of being run in with the load shoulder and supportable on the load shoulder when the shoulder is engaged with the wellhead.09-29-2011
20130186649TUBULAR ANCHORING SYSTEM AND METHOD - A tool setting arrangement includes a mandrel, and a tool positionable at the mandrel. The tool includes, a cone, and at least one slip in operable communication with the cone configured to radially expand to set the tool when the slip is moved relative to the cone with at least a setting load. The at least one slip has a portion configured to engage with a feature of the mandrel such that movement of the mandrel relative to the cone causes the at least one slip to move relative to the cone, at least one of the portion and the feature is configured to release at a release load to disengage the mandrel from the tool. The release load is selected to be greater than the setting load.07-25-2013
20130186645Downhole Robots and Methods of Using Same - A wellbore workstring. The workstring comprises a tubular string and a plurality of robots coupled to the tubular string. The robots establish a wireless communication network within a wellbore and deploy actuators to move themselves relative to the tubular string.07-25-2013
20130186648TUBULAR ANCHORING SYSTEM AND METHOD - A tubular anchoring system includes a frustoconical member having a first frustoconical portion and a second frustoconical portion. The first frustoconical portion is tapered in a direction opposing a direction of taper of the second frustoconical portion and slips in operable communication with the first frustoconical portion are radially expandable in response to longitudinal movement of the first frustoconical portion relative to the slips. A seal in operable communication with the second frustoconical portion is radially expandable in response to longitudinal movement of the second frustoconical portion relative to the seal, and a seat having a surface configured to be sealingly engagable with a plug runnable thereagainst.07-25-2013
20130186646TREATMENT PLUG SETTING TOOL, SETTING SYSTEM AND METHOD OF AVOIDING SETTING A TREATMENT PLUG WHILE RUNNING - A treatment plug setting tool includes, a shank, a collet attached to the shank, and a sleeve attached to the shank that is positioned and configured to provide longitudinally compressive support to fingers of the collet while allowing the fingers to radially deflect.07-25-2013
20130186647TUBULAR ANCHORING SYSTEM AND METHOD - A tubular anchoring system includes a frustoconical member and a sleeve with at least one first surface that is radially alterable in response to longitudinal movement of the frustoconical member relative to the sleeve. The at least one first surface is engagable with a wall of a structure positioned radially thereof to maintain position of at least the sleeve relative to the structure when engaged therewith. A seal with at least one second surface is radially alterable in response to longitudinal movement of the frustoconical member relative to the seal, and a seat is in operable communication with the frustoconical member having a land which is sealingly engagable with a removable plug runnable thereagainst. The land is longitudinally displaced relative to the sleeve in an upstream direction defined by direction of flow that urges the plug thereagainst.07-25-2013
20120018173WELLBORE TOOL WITH EXHANGABLE BLADES - A method for conducting a wellbore operation includes disconnecting a radially projecting member from a first sub without uncoupling a second sub from the first sub. The method may include also coupling the first sub to the second sub with a connector that includes an electrical connection. An associated apparatus may include a sub having at least one conductor connected to a connector; and at least one radially projecting member removably coupled to the sub.01-26-2012
20120018172LINER HANGER FLUID DIVERTER TOOL AND RELATED METHODS - A downhole fluid diverter tool includes a tool body having a central bore therethrough and a bypass port formed in an outer diameter thereof, a spring-biased piston disposed within the tool body, a piston port in the spring-biased piston configured to axially align with the bypass port to control fluid flow outward from the central bore, and a rotatable ball valve aligned within the central bore of the tool body and configured to control fluid flow through the central bore, wherein the bypass port and the ball valve are configured to be cycled multiple times between open and closed positions while in a wellbore.01-26-2012
20080210439TUBULAR GRIPPING DEVICE - A tubular gripping device includes a mandrel including an upper end, a lower end and a long axis extending between through the upper end and the lower end; a threaded interval on an outer surface of the mandrel; and an annular force generating assembly carried on the mandrel and positioned between the upper end and the threaded interval adjacent the threaded interval and driveable to apply a load along the long axis toward the threaded interval.09-04-2008
20120298378WELLBORE ANCHOR - An anchor tool has a body, a plurality of slips coupled to the body, each of the slips hingedly coupled to a link at a first end, each of the slips slidably retained in a channel at a second end and each of the slips operably moveable from a retracted orientation to an expanded orientation.11-29-2012
20120073832MULTI-PURPOSE FILL AND CIRCULATE WELL TOOL - A FAC tool for use in a well comprising a well casing. The FAC tool comprises a top drive connection for coupling the tool to a top drive; a push plate; a telescoping section coupling the push plate to the top drive connection; a packer cup configured to seal an annular space between the FAC tool and the well casing when the packer cup is energized; a packer element system comprising at least one packer moveable between a locked position in which the at least one packer is not energized, and an energized position, the packer element system being configured to seal the annular space between the FAC tool and the well casing when in the energized position; and a slip system comprising at least one slip, the slip system configured to lock the packer element in the energized position03-29-2012
20120085552Wellhead Rotating Breech Lock - A rotating breech lock rotates tubing to distribute wear caused by a rotating or reciprocating rod of an artificial lift system. The rotating breech lock has a spool that disposes on a wellhead. A bowl element disposes in the spool's bore, and a hanger fits into the spool and lands on the bowl element with a thrust bearing. Above the hanger, a load ring fits against the hanger with a bearing, and a hold-down sleeve and locking pins hold the load ring against the hanger. The spool has a worm that mates with a wheel defined about the hanger so turning the worm by a ratchet or other mechanism rotates the hanger. Internally, the hanger has a bore with opposing shoulders separated by gaps. A mandrel couples to the tubing and disposes up into the hanger. Protrusions or keys on the hanger can selectively align with the gaps and the shoulders depending on how the mandrel is rotated in the hanger bore.04-12-2012

Patent applications in class Providing support for well part (e.g., hanger or anchor)