Patent application number | Description | Published |
20080217000 | Casing patch - A casing patch includes a deformable seal configurable to a deformed and undeformed position for sealing and unsealing respectively with a target stub and a pressure based subsystem in operable communication with the deformable seal. The patch may also contain a stop ring to prevent overcompression of the seal. | 09-11-2008 |
20080217014 | Overshot tool - An overshot tool includes a grapple, a torque sub rotationally fixed to the grapple and a deformable member in operable communication with the torque sub. The torque sub is responsive to torsional movement thereof. A method for retrieving a fish with the tool is also included. | 09-11-2008 |
20080230233 | Coupler 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 |
20080236829 | Casing profiling and recovery system - A casing cutting and recovery tool having a cutting assembly, an expansion assembly having one or more deforming members, and a recovery assembly is used to cut a window in wellbore casing, secure a removable segment of wellbore casing that was previously disposed within the window, and recover the removable segment of wellbore casing with the tool. One or more cutting assemblies provides one or more cuts in the wellbore casing. The deforming members of the expansion assembly then expand outwardly at least two portions of the wellbore casing shaped by the cut or cuts. The recovery assembly secures the removable segment of the wellbore casing to the tool so that the tool and the removable segment of wellbore casing can be recovered together from the wellbore. | 10-02-2008 |
20080251254 | Devices and methods for translating tubular members within a well bore - Devices and methods for translating tubulars within a wellbore and, as a result, effectively freeing a stuck tubular string within a wellbore. One or more vibrator devices are incorporated into a tubular string, such as a drill string. Each of the vibratory devices may be turned on or off independently, as needed, to help effectively free the tubular string from a stuck condition. | 10-16-2008 |
20080257561 | Casing 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 |
20080271892 | Radially expandable downhole fluid jet cutting tool having an inflatable member - Downhole fluid jet cutting tools having extendible and retractable arms with cutting heads on the ends are disclosed. The jet cutting tools permit casing and other downhole surfaces to be cut utilizing a cutting fluid forced through a jet nozzle assembly. Inflation of an inflatable member within the passageway of the tool moves the jet nozzle assembly when cutting fluid pressure inflates the inflatable member. As a result, a cutting head of the jet nozzle assembly is extended and cutting fluid is forced at high pressure from the passageway to the cutting head where it is expelled through nozzles for cutting casing and the like. The jet cutting tools permit the cutting head to be extended, retracted, and re-extended or redeployed multiple times without the need for being retrieved from the wellbore. | 11-06-2008 |
20080308284 | ELASTOMERIC ELEMENT INSTALLATION TOOL AND METHOD - Disclosed herein is a method of installing an elastomeric element onto a tubular. The method includes, positioning the elastomeric element onto a radially expandable member, radially expanding the radially expandable member and the elastomeric element installed thereon, positioning a tubular coaxially with the radially expandable member, and axially urging the elastomeric element off the radially expandable member thereby allowing the elastomeric element to be positioned coaxially about an outer perimetrical surface of the tubular. | 12-18-2008 |
20090133937 | CUTTING TOOLS AND METHODS OF MAKING THE SAME - A cutting tool includes a mandrel; a matrix affixed to the mandrel; and cutting material disposed within the matrix and method of making the same. | 05-28-2009 |
20090159268 | Coupler 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 |
20090159296 | Coupler 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 |
20090195647 | DOWNHOLE FISH-IMAGING SYSTEM AND METHOD - Disclosed herein is a downhole fish-imaging system. The fish-imaging system includes, a fish-imaging device positionable downhole near the fish, and a processor. The fish-imaging device has at least one shape changeable portion with a plurality of sensors therein for monitoring the shape of the at least one shape changeable portion, a shape of the at least one shape changeable portion is influenced by a shape of the fish. The processor is in operable communication with the fish-imaging device and is coupled to a wired pipe for transmitting data therealong from the sensors. | 08-06-2009 |
20090211747 | WASHPIPE - A washpipe includes a tubular member; a recess extending axially along the tubular member; a conductor positioned within the recess; and a communication configuration communicatively attached to the conductor. | 08-27-2009 |
20090283330 | Downhole Material Retention Apparatus - A debris removal device features structural support from an exterior housing that allows more space for debris collection. The debris enters the collection volume from the top to eliminate debris from having to go through a valve. The screen in the device is disposed internally to protect it during handling and running. A variety of external flow diverters are used to direct debris laden fluid into the tool and to keep debris out of an annular space around the tool that could interfere with its removal. The diverters can be actuated by relative movement in the tool or applied pressure to a piston which can inflate a sleeve or orient or misalign paths through brushes for selective bypassing of fluid exterior to the tool. | 11-19-2009 |
20090301706 | Non-Metallic Whipstock - A whipstock that is totally to substantially non-metallic is made preferably from a composite material. The body can include one or more stiffeners that are also preferably non-metallic. The mounting lug for the window mill can also be non-metallic. A metallic base can be used to connect to an anchor. Optionally the ramp can include a plate that is optionally internally supported. Alternatively the ramp can include hardened inserts or other wear resistant material. Composite materials that can be molded are preferred. | 12-10-2009 |
20100044027 | ARRANGEMENT AND METHOD FOR SENDING AND/OR SEALING CEMENT AT A LINER HANGER - An apparatus for verifying cement arrival at a target location including a liner and a sensory structure radially outwardly disposed of the liner at a target arrival location of cement from a cementing operation; the sensory structure capable of sensing arrival of cement. A method for verifying completion of a cementing operation. A method for addressing micro annulus formation in a downhole cementing operation | 02-25-2010 |
20100044029 | ACTIVE CONTROL AND/OR MONITORING OF EXPANDABLE TUBULAR DEVICES - An expandable swage including a swage body, at least one swage segment in operable communication with the swage body, and a position indicator in operable communication with the at least one swage segment; the position indicator capable of providing information related to an outside dimension of the at least one swage segment. An expandable tubing system for use in a wellbore including an expandable swage, a stroker in operable communication with the expandable swage, an anchor capable of anchoring the stroker, and a position indicator in operable communication with the expandable swage; the position indicator capable of providing information related to an outside dimension of the expandable swage. A method for determining a shape of an expanded tubular. | 02-25-2010 |
20100116490 | ACTIVE CONTROL AND/OR MONITORING OF EXPANDABLE TUBULAR DEVICES - A method for determining a shape of an expanded tubular including expanding an expandable swage, urging the expandable swage though an expandable tubular, and determining an outside dimension of at least one segment of the expandable swage. | 05-13-2010 |
20100155083 | OPEN-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 |
20100181789 | Milled Packer Retaining Tool with Reverse Circulation - A grapple device is secured to a mill to allow relative rotation between them. The grapple has an outward bias to allow it to grip the packer bore or an extension from the packer. The mandrel has a wedge adjacent its lower end and torque fingers that fit between grapple segments when relative longitudinal movement occurs between the mandrel and the grapple assembly. The grapple assembly has a left hand thread so that it comes out of the packer if the mandrel engages the grapple assembly in a manner for tandem rotation. The torque fingers on the wedge on the mandrel support the grapple fingers over their length as rotation to the right removes the grapple assembly from the packer bore. Reverse circulation takes away the cuttings into the mill bore where they are separated from the reverse circulating fluid. | 07-22-2010 |
20100258289 | Slickline Conveyed Tubular Cutter System - A tubular cutter is run in on slickline. It features onboard power to selectively actuate an anchor and to initiate a tubular cutting operation with a cutter that is extendable and rotatable on its axis and the axis of the tool that carries an on board power supply. | 10-14-2010 |
20100258293 | Slickline Conveyed Shifting Tool System - A shifting tool is run on slickline and has an on board power supply. Rotary motion of the motor is converted to linear motion of the shifting tool using a ball screw device. The grip is obtained with longitudinal motion of a grip linkage and an on board jar then can do the shifting. Alternatively a linear motor can be used to extend and retract the grip assembly and shift using the jar tool. Optionally the tool can be anchored and linear motion from the on board power source operating a motor can do the shifting. | 10-14-2010 |
20100258296 | Slickline Conveyed Debris Management System - A wellbore cleanup tool is run on slickline. It has an onboard power supply and circulation pump. Inlet flow is at the lower end into an inlet pipe that keeps up fluid velocity. The inlet pipe opens to a surrounding annular volume for sand containment and the fluid continues through a screen and into the pump for eventual exhaust back into the water in the wellbore. A modular structure is envisioned to add debris carrying capacity. Various ways to energize the device are possible. Other tools run on slickline are described such as a cutter, a scraper and a shifting tool. | 10-14-2010 |
20100258297 | Slickline Conveyed Debris Management System - A wellbore cleanup tool is run on slickline. It has an onboard power supply and circulation pump. Inlet flow is at the lower end into an inlet pipe that keeps up fluid velocity. The inlet pipe opens to a surrounding annular volume for sand containment and the fluid continues through a screen and into the pump for eventual exhaust back into the water in the wellbore. A modular structure is envisioned to add debris carrying capacity. Various ways to energize the device are possible. Other tools run on slickline are described such as a cutter, a scraper and a shifting tool. A motor driven by an onboard power supply operates the circulation pump as well as a vibration device to agitate the debris and prevent coring into the debris if compacted. A shroud presents an alternate flow path if the housing lower end is embedded in debris. | 10-14-2010 |
20100258298 | Slickline Conveyed Tubular Scraper System - A downhole tubular scraper is run in on slickline with an on board power supply. It features counter-rotating scrapers without an anchor in one embodiment or an anchor with single rotating scrapers. The scraper is selectively operated to conserve power in the power supply. A drive system uses a single driver to obtain counter-rotating motion in the scrapers. | 10-14-2010 |
20100263856 | Slickline Conveyed Bottom Hole Assembly with Tractor - A bottom hole assembly is run into the wellbore on slickline with a tractor to assist in movement of the bottom hole assembly through a deviation in either direction. The tractor can have retractable drive components and can be responsive to tension in the slickline to turn it on and to avoid overrunning the slickline if driving out. | 10-21-2010 |
20100263868 | TOOL AND METHOD FOR ABRASIVE FORMATION OF OPENINGS IN DOWNHOLE STRUCTURES - An abrasive slurry tool, the tool being attachable to a running string, the tool including a high-pressure assembly, the assembly including a nozzle assembly; and a low-pressure assembly in abrasive fluid communication with the high-pressure assembly, the low-pressure assembly comprising a low pressure holding tank configured to carry recharge abrasive fluid with the tool and method. | 10-21-2010 |
20100294485 | High Expansion Metal Seal System - A seal system for forming a fluid seal from an inner tubular member outwardly against an outer tubular member. The seal system includes a packer element that is radially expandable from a reduced diameter, unset condition to an enlarged diameter, set condition; and a radially expandable seal element surrounding the packer element and creating a fluid sealing engagement outwardly against the outer tubular member. | 11-25-2010 |
20100307767 | Coupler 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 |
20110062627 | CUTTING TOOLS AND METHODS OF MAKING THE SAME - A method of making a cutting tool includes disposing a mandrel in a form; disposing at least one watercourse insert between the form and the mandrel; placing a matrix material in the form and about the mandrel. | 03-17-2011 |
20110174481 | Connector for Mounting Screen to Base Pipe without Welding or Swaging - A subterranean screen system features openings in a base pipe and sleeve sections of a porous material that preferably swells in the borehole to span an annular space around the base pipe. Retainers are mounted to the base pipe in a desired location and mechanically fixated using an internal grip system actuated through the wall of the retainer. A wedging action of slip segments is initiated by an angularly advancing assembly through the wall of the retainer. The retainer can have end rings extending past one or both ends over which the screen sleeve extends. Flat or ridges on the exterior of the retainer or end rings make assembly easier with hand tools to allow for rapid field assembly, if needed. Filtration occurs through the sleeves that abut the borehole wall and into the base pipe openings and to the surface. | 07-21-2011 |
20110203856 | COMPOSITE CUTTING/MILLING TOOL HAVING DIFFERING CUTTING ELEMENTS AND METHOD FOR MAKING THE SAME - A cutting/milling tool includes a tool body; a cutting end of the tool body; a first plurality of cutting elements having a substantially identical shape disposed at the cutting end of the tool body; and a second plurality of cutting elements having a different shape than the first plurality of cutting elements, the second plurality of cutting elements being substantially identical in shape to each other, the second plurality of cutting elements being interspersed with the first plurality of cutting elements at the cutting end of the tool body. | 08-25-2011 |
20120061073 | Debris Chamber with Helical Flow Path for Enhanced Subterranean Debris Removal - A subterranean debris catcher swirls the incoming debris laden stream by putting grooves or spiral projections on the inside of the inlet pipe. In some embodiments the solids come out of openings in the side of the inlet pipe and in others the solids can exit near the top either directly into the enclosed solids holding volume as the liquid exits straight out or the solids can be discharged out the end of the inlet pipe into the bigger open space defined by the housing. In the latter case the inside housing wall can have a screen or vanes that slow down the solid particles as the fluid continues to a housing exit and eventually to an exit screen before being discharged to either go to the surface or recirculate back along the outside of the tool to the inlet pipe while picking up additional debris. | 03-15-2012 |
20120073880 | Subterranean Cutting Tool Structure Tailored to Intended Use - A mill cutting structure is differently configured in three zones. Those zones are the center, the outer edge and in between. At the center has highly wear resistant material that has good temperature bond strength and high impact resistance. The outer periphery can have a material that is highly resistant to wear and impact. In between can be inserts such as used in the Metal MuncherĀ® mills using sintered carbide shapes that resist tracking and create a chipping rather than a grinding action. The shapes should have high edge retention capability and shapes such as a double sided pyramid can be used. The wear patterns of prior designs are addressed to allow longer and faster milling of the fish. | 03-29-2012 |
20120090836 | ARRANGEMENT AND METHOD FOR SENDING AND/OR SEALING CEMENT AT A LINER HANGER - An apparatus for verifying cement arrival at a target location includes a liner. A sensory structure radially outwardly disposed of the liner at a target arrival location of cement from a cementing operation. The sensory structure configured to sense arrival of cement. A seal configuration automatically responsive to the sensed arrival of cement. Also included is a method for addressing micro annulus formation in a downhole cementing operation. | 04-19-2012 |
20120151707 | Vacuum Debris Removal with Articulated Pickup and Visual Capability - A debris removal tool has a lower end pickup hose into which debris laden fluid is pulled when there is circulation through the debris removal tool from the surface. An anchor near the open end of the hose stabilizes the lower end near a recess or groove from which debris is to be removed. Once the anchor is set the hose can be extended or retracted as well as rotated on its axis to pick up debris. A camera can be located in or near the hose opening to be able to see where the debris is located and for confirmation that the debris is being removed and that the debris has fully been removed. | 06-21-2012 |
20120152522 | Debris Collection Device with Enhanced Circulation Feature - A debris cleanup tool uses an eductor principle to induce flow into a lower end to bring debris into a housing where the debris will either settle out or be screened out and the remaining fluid drawn up into the eductor with motive force for the eductor coming from clean fluid pumped down a tubular string from the surface. The eductor performance is enhanced with a surrounding sleeve on the eductor outlet that directs eductor exhaust flow into an annular passage oriented in a downhole direction. The exterior of the sleeve has passages to allow some of the flow to go uphole while the sleeve wall has ports through it to allow flow in the annular passage to cut through to outside the sleeve for passage uphole or downhole. | 06-21-2012 |
20120199395 | Cutting elements having a pre-formed fracture plane for use in cutting tools - Cutting elements for cutting tools comprise a pre-formed fracture plane disposed in at least one surface of the cutting elements. The pre-formed fracture plane can comprise a groove cut into one of the surfaces of the cutting element, or the pre-formed fracture plane can be formed by using a laser or other heat concentrating source to weaken a portion of one of the surfaces of the cutting element so that the cutting element will break along the pre-formed fracture plane. | 08-09-2012 |
20130014998 | DOWNHOLE CUTTING TOOL AND METHODAANM Lynde; Gerald D.AACI HoustonAAST TXAACO USAAGP Lynde; Gerald D. Houston TX US - A downhole cutting tool includes a base including a first consolidated powder; and at least one cutting feature affixed to the base, the at least one cutting feature including a cutting material suspended in a second consolidated powder, wherein the base and the at least one cutting feature are both consolidated and bonded together simultaneously. Also included is a method of manufacturing a cutting tool. | 01-17-2013 |
20130081825 | Apparatus and Methods Utilizing Nonexplosive Energetic Materials for Downhole Applications - In one aspect, a method of method of performing a wellbore operation is disclosed that in one embodiment may include: providing a device that includes a non-explosive energetic material configured to disintegrate when subjected to a selected energy; placing the device at a selected location in the wellbore to perform a selected function; and subjecting the device to the selected energy to disintegrate the device in the wellbore after the device has performed the selected function. In another aspect an apparatus for use in a wellbore is disclosed that in one embodiment may include a device placed in the wellbore at a selected location, wherein the device includes a non-explosive energetic material configured to disintegrate when subjected to a selected energy, and a source of the selected energy configured to subject the device to the selected energy in the wellbore to disintegrate the device. | 04-04-2013 |
20140014320 | Debris Chamber with Helical Flow Path for Enhanced Subterranean Debris Removal - A subterranean debris catcher swirls the incoming debris laden stream by putting grooves or spiral projections on the inside of the inlet pipe. In some embodiments the solids come out of openings in the side of the inlet pipe and in others the solids can exit near the top either directly into the enclosed solids holding volume as the liquid exits straight out or the solids can be discharged out the end of the inlet pipe into the bigger open space defined by the housing. In the latter case the inside housing wall can have a screen or vanes that slow down the solid particles as the fluid continues to a housing exit and eventually to an exit screen before being discharged to either go to the surface or recirculate back along the outside of the tool to the inlet pipe while picking up additional debris. | 01-16-2014 |