| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 175320000 | WITH TOOL SHAFT DETAIL | 74 |
| 20120160571 | DRILLING TOOL - A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for transmitting axial load, comprising a series of coaxial ring members connected together such that adjacent ring members are flexible in an axial plane relative to each other; each ring member being connected to an adjacent ring member by connecting member arranged to transmit torque therebetween; and axial supports extend between adjacent ring members so as to transmit axial loads therebetween. | 06-28-2012 |
| 20130032411 | COMPOSITIONS, METHODS OF COATING WELLBORE TOOLS WITH SUCH COMPOSITIONS, AND WELLBORE TOOLS COATED WITH SUCH COMPOSITIONS - A composition including a high temperature thermoplastic polymer and a filler material is disclosed. A method for forming a coating upon a wellbore tool includes forming a powder composition comprising a thermoplastic polymer and a filler material and applying the composition on the body surface. Wellbore tools having components coated with such compositions are also disclosed. | 02-07-2013 |
| 20100044112 | DRILL STEM CONNECTION AND METHOD - A drill stem connection system and method is shown that provides a secure hold on drill stem surfaces while unscrewing a threaded connection. Two lever arm components are adjustable to a number of possible orientations to allow for fitting the drill stem wrench in tight spaces. Concentric rotation of lever arm components facilitates connection of the lever arm components together. Configurations and methods shown provide a stable and powerful tool to loosen threaded drill stem effectively. | 02-25-2010 |
| 20100101865 | DEVICE FOR PROTECTING A GEOTECHNICAL OR GEOPHYSICAL PROBE | 04-29-2010 |
| 20130056282 | RUNNING TOOL WITH INDEPENDENT HOUSING ROTATION SLEEVE - A system, in certain embodiments, includes a housing running tool including an inner sleeve having a first mating surface configured to engage a second mating surface of a housing to rigidly couple the inner sleeve to the housing. The housing running tool also includes an outer sleeve disposed about the inner sleeve and configured to support the inner sleeve in an axial direction. The outer sleeve includes a first mounting feature configured to engage a second mounting feature of the housing such that substantially all torque applied to the housing running tool in a circumferential direction is transferred to the housing via the outer sleeve. | 03-07-2013 |
| 20090266615 | BI-STEEL PERCUSSIVE DRILL ROD - A drill rod includes a first end section, a mid-section, wherein the first end section and the mid-section are connected and wherein the first end section is manufactured using different steel than is used for the mid-section. Such a configuration can reduce the costs associated with forming a drill rod while maintaining the functionality of such a drill rod. | 10-29-2009 |
| 20080302574 | DRILL STEM AND METHOD - A drill stem segment and method of manufacture are shown. Drill stem segment and methods are shown that greatly strengthen the weld joint using sleeves. reinforced butt joints are shown in selected examples where sleeves and drill stem tubes are welded to connections such as tapered thread connections. Using methods described, the drill stem segments are also inexpensive to manufacture. | 12-11-2008 |
| 20090321144 | PROTECTING AN ELEMENT FROM EXCESSIVE SURFACE WEAR BY LOCALIZED HARDENING - A method of protecting an element from excessive surface wear is provided. In this method, a localized area of the element that will be subjected to excessive surface wear is exposed to induction heating for a period sufficient to heat the localized area to an elevated temperature at which the localized area undergoes austenitic transformation. The localized area is quenched, followed by tempering, and then cooling. A result of the method is a localized hardened area formed monolithically with the element and having a localized hardness that is greater than a base hardness of the element. | 12-31-2009 |
| 20090211815 | Dual Pipe for Increased Fluid Flow - A dual pipe drill string system having increased fluid flow. The dual pipe system comprises a plurality of pipe sections, each pipe section having an inner rod and an outer pipe. The inner rod and the outer pipe of each pipe section may be coupled to the inner rod and outer pipe of an adjacent pipe section. An annulus between the inner rod and the outer pipe defines a fluid flow path through the dual pipe system. The outer pipe defines a shoulder at each end of an individual pipe section. The inner rod defies at least one stop for maintaining the inner rod within the outer pipe. A spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between the stop and the shoulder at one end of outer pipe of the pipe section. An additional spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between a second stop on the inner rod and the shoulder at a second end of the outer pipe of the pipe section. Alternatively, the stops on the inner rod may define a feature of the stop defining fluid paths for when the stop contacts the shoulder. | 08-27-2009 |
| 20080264694 | Drill Rod - According to the present invention, a drill rod ( | 10-30-2008 |
| 20100000797 | DRILLING TOOL - The invention relates to a drilling tool for drilling soft and fragmented rock. The drilling tool disclosed in the invention comprises a portion having a round cross section and a smooth surface and positioned substantially symmetrically relative to the middle axis of a drill rod and comprising, at its end, a converging part through which conduits pass for rinsing medium. | 01-07-2010 |
| 20120067649 | SLIP FREE DRILL PIPE - A drill pipe includes a pin-type connector part, a box-type pipe connector part, a tube part attached to the pin-type pipe connector part, and an intermediary pipe part disposed between and attached to the box-type pipe connector part and the tube part. The intermediary pipe part has a shoulder for engagement with a handling tool. | 03-22-2012 |
| 20120193148 | NON-MAGNETIC DRILL STRING MEMBER WITH NON-MAGNETIC HARDFACING AND METHOD OF MAKING THE SAME - A method for applying a non-magnetic, abrasive, wear-resistant hardfacing material to a surface of a drill string member includes providing a non-magnetic drill string member formed of a non-magnetic material, the drill string member having an outer surface. It also includes providing a non-magnetic hardfacing precursor material comprising a plurality of non-magnetic, sintered carbide pellets and a non-magnetic matrix material; heating a portion of the non-magnetic hardfacing precursor material to a temperature above the melting point of the matrix material to melt the matrix material. It further includes applying the molten non-magnetic matrix material and the plurality of non-magnetic, sintered carbide pellets to the exterior surface of the drill string member; and solidifying the molten non-magnetic matrix material to form a layer of a non-magnetic hardfacing material having a plurality of non-magnetic, sintered carbide pellets dispersed in the hardfacing material. | 08-02-2012 |
| 20100155144 | DRILLING TOOL FOR ROCK - A drilling tool for rock is disclosed. The tool has a drill rod and a cup-shaped drill head, where the drill head and the drill rod can be connected detachably but rotationally secured with each other via a coupling mechanism which has at least one rotary lock-in slot of the drill head running along a tool axis and at least one rotary lock-in bar that can be inserted into the rotary lock-in slot and that is arranged on the end of the drill rod. The coupling mechanism in this case has an elastic lock for holding the rotary lock-in bar in the rotary lock-in slot. | 06-24-2010 |
| 20100252331 | METHODS FOR FORMING BORING SHOES FOR WELLBORE CASING, AND BORING SHOES AND INTERMEDIATE STRUCTURES FORMED BY SUCH METHODS - Methods of attaching a crown of a boring shoe to a casing section include attaching an adaptable shank to a crown, and machining the adaptable shank to configure an end thereof for attachment to a casing section after attaching the adaptable shank to the crown. Additional methods include welding an end of an adaptable shank to a crown to form a boring shoe, selecting the adaptable shank to have an average wall thickness greater than about five percent (5%) of a maximum diameter of the crown, and configuring an opposite end of the adaptable shank for attachment to a particular type of casing section after welding the shank to the crown. Boring shoes have an adaptable shank attached to a crown, wherein the shank comprises a generally cylindrical wall having an average wall thickness greater than about five percent (5%) of a maximum diameter of the crown. | 10-07-2010 |
| 20110209920 | INSERTION COUPLING FOR A BORING ROD ASSEMBLY AND A BORING ROD ASSEMBLY - An insertion coupling for a boring rod assembly with at least two coupling elements is disclosed. The coupling elements include at least one corresponding tapered coupling face pair constructed to produce play-free clamping when pressing forces are applied to the insertion coupling. | 09-01-2011 |
| 20100059285 | TOP HAMMER ROCK-DRILLING TOOL, A DRILL ROD COUPLING SLEEVE - In a first aspect, the invention relates to a rock-drilling tool that comprises a drill rod ( | 03-11-2010 |
| 20080251296 | Countersink Roof Bit Drill And Method For Using The Same - A roof bit drill has a central shaft with a front end and a back end. The drill also has a base secured about the central shaft proximate to the front end, wherein the base has clearance channels extending axially therethrough. At least one cutting element is arranged on the base in a convex cutting pattern to permit loosened material to be evacuated. The roof bit drill may further include a drill depth locator to identify when the drill has been advanced within a mine roof to a predetermined depth. A method for using the roof drill bit is also disclosed herein. | 10-16-2008 |
| 20110108328 | Ultra-hard drill collar - A drill collar formed substantially entirely from a metal matrix material and one or more metal alloys is provided, the drill collar being produced through a molding process. The metal matrix material of the drill collar minimizes lateral movement and vibration during drilling operations, while providing a weight greater than that of conventional drill collar materials, thereby enabling construction of drill collars and bottom hole assemblies having a reduced length. | 05-12-2011 |
| 20110100720 | Glass Forming Hardbanding Material - A drill pipe and a method of applying hardbanding thereto. A hardbanding alloy comprising iron and manganese present in the range of 67 to 87 weight percent (wt. %), niobium and chromium present in the range of 9 to 29 wt. %, and boron, carbon and silicon present in the range of 3 to 6.5 wt. % may be welded around at least a portion of a tool joint circumference. The hardbanding alloy may exhibit a hardness of 45 Rc to 70 Rc and a wear rate in the range of 0.08 grams to 1.60 grams of mass loss after 6,000 cycles as measured using ASTM G65-04, Procedure A. | 05-05-2011 |
| 20120305319 | SAFETY JOINT WITH INDICATING FEATURE - A joint assembly, including a first member including an indicator; a second member operatively arranged to sealingly engage the first member via a seal element, the indicator operatively arranged to provide an indication when the first member has been engaged with the second member. | 12-06-2012 |
| 20120018229 | DRILL PIPE - A drill pipe ( | 01-26-2012 |
| 20120312600 | ROTARY JOINT FOR SUBTERRANEAN DRILLING - A rotary joint for use in directional control of a subterranean rotary steerable drilling apparatus. The rotary joint is formed by mated spherical-shaped sockets, each of which is connected with a hollow rod. By virtue of this arrangement, a continuous passageway is provided for fluid to flow through the rotary joint, which fluid may be used for cooling the rotary joint during operation of the rotary steerable drilling system. | 12-13-2012 |
| 20120255790 | Dual Pipe For Increased Fluid Flow - A dual pipe drill string system having increased fluid flow. The dual pipe system comprises a plurality of pipe sections, each pipe section having an inner rod and an outer pipe. The inner rod and the outer pipe of each pipe section may be coupled to the inner rod and outer pipe of an adjacent pipe section. An annulus between the inner rod and the outer pipe defines a fluid flow path through the dual pipe system. The outer pipe defines a shoulder at each end of an individual pipe section. The inner rod defines at least one stop for maintaining the inner rod within the outer pipe. A spacing assembly disposed around the circumference of the inner rod defines paths for fluid flow and maintains a minimum distance between the stop and the shoulder at one end of outer pipe of the pipe section. | 10-11-2012 |
| 20090020338 | Downhole Assembly and Cutter Assembly - This invention relates to a downhole assembly and to a cutter assembly, and in particular to a downhole assembly including an apparatus for breaking up large-scale material which is present behind a drill bit, and to a cutter assembly for use in such a downhole assembly. The downhole assembly is suitably for use in a drillstring, the downhole assembly comprising a drill bit, a sensitive component, and at least one rotatable set of cutter blades located between the drill bit and the sensitive component. | 01-22-2009 |
| 20120228034 | DRILL STEM COMPONENTS AND STRING OF COMPONENTS - A rotary drill stem component for exploration of a hydrocarbon well with drilling mud in movement around the component from a bottom of the well towards the surface includes a central tubular element having an axis of revolution and extended on either side respectively by a first and a second tool joint each respectively and successively including a first cylindrical portion connected to the tubular element, a second tapered portion, a third cylindrical portion with a radius greater than that of the tubular element, and a threaded end which can connect the component to another component, the component including a first shell provided with one or more functional zones, the first shell being mounted on one of the tool joints in a cohesive and removable manner. | 09-13-2012 |
| 20100326737 | FLEXIBLE EXTRUSION RESISTANT RING FOR SEAL ASSEMBLY - An extrusion resistant ring that is radially expandable and contactable to accommodate the relative movement of two joined bodies relative to each other. The extrusion resistant ring in combination with an elastomeric diaphragm provides a high pressure seal for down-hole oil drilling apparatus. | 12-30-2010 |
| 20080289879 | Connection Assembly For Drill Collars or Heavy Drill Pipes - The invention relates to a connection assembly ( | 11-27-2008 |
| 20100224416 | SYSTEM AND METHOD FOR CONNECTING WIRED DRILL PIPE - A system and method for facilitating the formation of electrical connections between wired drill pipes is provided. Wired drill pipes comprise connection ends that each have a plurality of independent conductors. The independent conductors are arranged to enable a plurality of conductive connections between adjacent wired drill pipes when the wired drill pipes are physically connected. | 09-09-2010 |
| 175321000 | Axially telescoping shaft section | 5 |
| 20130092447 | Downhole Tool Impact Dissipating Tool - An impact dissipation tool for supporting a downhole tool in downhole applications. The tool includes a base and a housing. The tool also includes a carriage located within the housing and coupled to the base, the carriage being movable relative to the housing upon a predetermined impact force. A dissipator disposed inside the housing is collapsible due to the relative movement of the carriage and the housing. The collapse of the dissipator dissipates the impact force transferred to the downhole tool. | 04-18-2013 |
| 20110240375 | DOWNHOLE APPARATUS - A double-acting compounder is disclosed, comprising: an outer housing; an inner mandrel at least partially disposed telescopically within the outer housing to define a fluid chamber between the inner mandrel and the outer housing, the fluid chamber containing fluid and being sealed at an uphole end and a downhole end; an equalizer between the fluid chamber and an exterior of the outer housing for equalizing pressure; a movable seal assembly disposed within the fluid chamber and having a first end that defines the uphole end or the downhole end of the fluid chamber; the inner mandrel having an outer shoulder for contacting a second end of the movable seal assembly to move the movable seal assembly with the inner mandrel when the inner mandrel moves in a first direction relative to the outer housing to compresses fluid within the fluid chamber; and the outer housing having an inner shoulder for contacting the second end of the movable seal assembly to prevent the movable seal assembly from moving with the inner mandrel when the inner mandrel moves in a second direction relative to the outer housing to compresses fluid within the fluid chamber. The equalizer may comprise an equalization piston, and the double-acting compounder may comprise a restrictor for restricting initial movement of the movable seal assembly from both the inner shoulder and the outer shoulder due to hydrostatic pressure when the double-acting compounder is in a neutral position. The restrictor keeps the movable seal assembly from moving first and allows the equalizer piston to move and establish hydrostatic pressure in the fluid chamber. Thus, the movable seal assembly is kept in a neutral position and full stroke up and down is preserved, making the tool more efficient relative to a compounder without such an equalizer. | 10-06-2011 |
| 20100025118 | APPARATUS - A cushion sub | 02-04-2010 |
| 175322000 | Telescoping motion related to relative axial rotation or oscillation | 2 |
| 20130056283 | System and Method for Vibration in a Drill String - A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in response to vibration of the drill bit. The first and second members define a first and a second chamber for holding the fluid. Fluid can flow between the first and second chambers in response to the movement of the second member in relation to the first member. The valve assembly can also include a coil or a valve for varying a resistance of the fluid to flow between the first and second chambers. | 03-07-2013 |
| 20090078468 | ROCK DRILL MACHINE - A rock drilling machine comprising a frame ( | 03-26-2009 |
| 175323000 | Helix or helically arranged structure | 5 |
| 20080271926 | MOUNTING SYSTEM FOR A FIBER OPTIC CABLE AT A DOWNHOLE TOOL - Disclosed herein is a fiber optic cable downhole tool mounting system. The system includes, a downhole tool, a support member attached to the downhole tool and a fiber optic cable parameter transmissively mounted to the downhole tool by the support member. The support member has an elongated body with a pair of legs extending therefrom, the pair of legs intersect at an oblique angle and define a volume therebetween receptive of the fiber optic cable. The fiber optic cable is attached to the support member and the support member is attached to the downhole tool such that a parameter encountered by the downhole tool is sensible by the fiber optic cable. | 11-06-2008 |
| 20110203853 | Auger boring machine having spoils ejector - An auger boring machine having spoils ejector having a power source attached to an auger, a plurality of large casings extending linearly from the power source, a plurality of small casings located linearly within the large casings and centered within the large casings with the auger extending linearly within the small casings, a cutting head attached to the terminal end of the large casings, and a spoils ejector, with the spoils ejector attached to the auger and to the cutting head, with the spoils ejector located between the terminal end of the small casings and the cutting head, with the spoils ejector enclosed within the large casings, with the spoils ejector having a front, a back, first and second sides each attached to the front and to the back, first and second curved plates each attached the front, the back, and to the first and second sides, at least one of the sides having a collector aperture formed therein adjacent one of the curved plates, with the back having formed therein at least one spoils port. | 08-25-2011 |
| 20080202816 | Torque Converter for Use When Drilling with a Rotating Drill Bit - A torque converter for use in drilling with a rotating drill bit, the purpose of the torque converter being to absorb impacts and bring about an axial movement of the drill bit when the torque exceeds a predetermined value. For this purpose the torque converter is composed of two cylindrical string parts connected through the bearing elements. The string parts are connected to each other through helical elements in such a way that relative rotation of the two cylindrical string parts brings about axial movement, which unloads the drill bit. | 08-28-2008 |
| 20110155470 | DRILL STRING ELEMENT WITH INSTRUMENTS - A drill string element including an elongate tubular body delimiting an interior surface longitudinally including at least one portion of revolution and including a first hole provided in the elongate tubular body. That first hole includes a first end opening at the portion of revolution, and in a vicinity of the first end a longitudinal axis intersecting the interior surface at an intersection location. The longitudinal axis, in projection into a first plane passing through the central axis of the portion of revolution and containing the intersection location, forms a first angle of a value that is not zero and in projection into a second plane tangential to the interior surface at the intersection location forms a second angle of a value that is not zero. | 06-30-2011 |
| 20130014997 | Post Hole Digger - A post hole digger couples to the PTO shaft of a tractor and uses rotation from the PTO shaft to rotate an auger. A top support arm rotatably coupled to the top pin of the tractor's three point hitch supports the gearbox that translates rotation to the auger. A support frame extends upwardly from the right and left lift arms of the three point hitch and inwardly to support the top support arm from beneath. The support frame is shaped generally as an inverted “U,” with space created between the right and left lift arms to prevent interference with the rotating shaft that translates rotation from the PTO shaft to the gearbox. A shield coupled to the gearbox covers the moving parts of the joint between the rotating shaft and the gearbox and protects users during use of the auger. | 01-17-2013 |
| 175324000 | Means other than tool structure to induce fluent flow | 4 |
| 20090266616 | Connection device for forming a fluid supply - The invention relates to a connection device for forming a fluid supply to a rotating tool, comprising a rotary feedthrough which has a rotor and a stator, the rotor being supported in a rotating manner relative to the stator. Furthermore, a torque support is provided, which is connected in a rotationally fixed manner to the stator and has at least one contact element. In accordance with the invention the at least one contact element can be displaced between a retracted position and a protruding position, in which the contact element is extended compared to the retracted position for the purpose of torque support. | 10-29-2009 |
| 20100200302 | DIGGING TOOL, DIGGING BIT, AND DEVICE - Provided is an excavation tool for efficiently taking waste rocks produced during excavation into the inner peripheral side of a casing pipe and discharging the waste rocks to the outside. An excavation tool ( | 08-12-2010 |
| 20100326738 | DRILL PACKER MEMBER, DRILL PIPE, AND CORRESPONDING DRILL PIPE STRING - An element for a drill string includes at least one zone bearing on a wall of the drilled hole, the bearing zone including at least one bearing section with an external diameter greater than the diameter of the other portions of the element, and two activation zones substantially adjacent to the bearing zone and disposed upstream and downstream of the bearing zone. The activation zones include a plurality of grooves with a generally helical shape about the axis of the element. The bearing zone includes two guide sections in a shape of a convex rounded body of revolution, disposed upstream and downstream of the bearing section in a manner adjacent to the bearing section, and tangential to the bearing section and to the activation zones. | 12-30-2010 |
| 20100230171 | Drill Head for a Tunneling Apparatus - The present disclosure relates to a tunneling apparatus including a drill head having a main body and a drive stem rotatably mounted within the main body. The main body defines a vacuum passage offset from the drive stem that extends through the main body from a proximal end to a distal end of the main body. The tunneling apparatus also includes an axial bearing structure for transferring axial load between the drive stem and the main body of the drill head. The axial bearing structure is proximally offset from the distal end of the main body of the drill head. The tunneling apparatus further includes a first radial bearing structure for transferring radial load between the drive stem and the main body of the drill head. The first radial bearing structure is positioned between the axial bearing structure and the distal end of the main body of the drill head and is distally offset from the axial bearing structure. | 09-16-2010 |
| 175325100 | Shaft carried guide or protector | 31 |
| 20090266617 | Sleeve arrangement - Sleeve arrangement for a drill rig, especially adapted for damping sound and sealing to the ground, said drill rig comprising a feed beam ( | 10-29-2009 |
| 20100032214 | Composite Enhanced Metallic Drilling Riser System - An offshore composite enhanced metallic drilling riser is equipped to enable preloading of the composite shell and the metallic riser. A riser has steel end connectors and a continuous metallic inner liner, encased in a composite shell. A segmented hyperboloid shaped profile is located near each of the end fittings for preloading of the composite and the metallic riser. In one version, both halves of the hyperboloid shape are capable of axial movement by adjusting jack bolts connected to one of the hyperboloid halves. One of the halves is limited in axial movement while the other half moves axially away from the restricted half, the movement simultaneously generates the composite pre-load and the metallic riser pre-load. The other version uses fluid pressure between mating faces of the segments to push them apart. | 02-11-2010 |
| 20110198132 | DRILL PIPE PROTECTOR ASSEMBLY - A drill pipe protector assembly comprising at least one protector sleeve ( | 08-18-2011 |
| 20100212970 | STABILIZER ASSEMBLIES WITH BEARING PAD LOCKING STRUCTURES AND TOOLS INCORPORATING SAME - Stabilizer assemblies and tools incorporating same are disclosed. In one embodiment, a stabilizer assembly comprises a body having at least one bearing pad receptacle therein, and a bearing pad disposed in the receptacle. The bearing pad includes at least a portion of a bore extending therethrough, the bore being aligned with body bores in the body on opposite sides of the bearing pad receptacle. A lock rod extends through the bore and into the associated body bore. | 08-26-2010 |
| 20090114451 | APPARATUS FOR KEEPING A DOWN HOLE DRILLING TOOL VERTICALLY ALIGNED - An apparatus ( | 05-07-2009 |
| 20080230277 | Pocket for a Downhole Tool String Component - A downhole tool string component, having a tubular body with an outer diameter. A first, second, and third flange are disposed around the outer diameter of the tubular body at different axial locations. A first sleeve is disposed around the tubular body such that opposite ends of the first sleeve fit around at least a portion of the first and second flanges, forming a first sealed pocket around the outer diameter of the tubular body. A second sleeve is disposed around the tubular body such that opposite ends of the second sleeve fit around at least a portion of the second and third flanges, forming a second sealed pocket around the outer diameter of the tubular body. | 09-25-2008 |
| 20090000826 | METHOD AND APPARATUS FOR CONTROLLING PRECESSION IN A DRILLING ASSEMBLY - Drilling apparatuses and methods for limiting precession are provided. According to one embodiment, a drilling apparatus includes a non-rotating stabilizer. The non-rotating stabilizer includes a first blade and a second blade, the first blade being arranged opposite the second blade. The first blade is biased radially outwardly by a force of a first value. The second blade is not biased radially outwardly by a force corresponding to the first value. The second blade may be a blade which is slidable along the non-rotating stabilizer in an axial direction and allow free sliding axial contact with the formation. | 01-01-2009 |
| 20120168230 | GUIDING DEVICE FOR A DRILLING DEVICE - The invention relates to a guide device for a drilling device, comprising a housing having deflection means for generating a side force, and a shaft rotatably supported within the housing, wherein the shaft comprises connection means at a first end for connecting to a drilling rod, and connection means at a second end for connecting to a drilling head, and wherein coupling means are provided for connecting the shaft to the housing in a rotationally fixed manner as needed. | 07-05-2012 |
| 20110120778 | DRILLING TOOL - A drilling tool that has a flexible shaft so as to be able to make short radius curves while still being able to transmit torque and axial loads. The drilling tool includes a drill shaft for transmitting axial load, comprising a series of coaxial ring members connected together such that adjacent ring members are flexible in an axial plane relative to each other; each ring member being connected to an adjacent ring member by connecting member arranged to transmit torque therebetween; and axial supports extend between adjacent ring members so as to transmit axial loads therebetween. | 05-26-2011 |
| 175325200 | Coupled between shaft sections or bit and shaft section | 14 |
| 20100044113 | CONNECTION FOR WELL BORE DRILLING TOOLS - A drilling tool connection includes a male pin, a female box connector, and a locking pin. The male pin includes a hexagonal outer perimeter, at least a portion of the pin having a cylindrical bore along a longitudinal axis of the pin, where the pin has a transverse slot formed transverse to the longitudinal axis of the pin. The box connector element includes a circular outer perimeter, where at least a portion of the box connector element has a hexagonal aperture aligned with a longitudinal axis of the box. The box connector element has at least one transverse bore formed in the box transverse to the longitudinal axis of the box, and the hexagonal aperture of the box is adapted to receive the hexagonal portion of the male pin. The locking pin is insertable through an aperture defined by the slot of the pin and the bore of the box. | 02-25-2010 |
| 20120018230 | Flasked Pressure Housing - A system for containing electronics positioned in a downhole tubular. In some embodiments, the system includes a pressure housing, a rigid end piece, a compliant end piece, an inner tubular member, one or more annular standoffs, and a chassis. The pressure housing is supported within the downhole tubular. The rigid end piece and the compliant end piece are fixedly coupled within opposing ends of the pressure housing. The inner tubular member is disposed within the pressure housing and has opposing ends. One of the opposing ends is coupled to the rigid end piece, and the other of the opposing ends is free to move relative to the compliant end piece. The chassis is disposed within the inner tubular member and houses the electronics. Each standoff is disposed between the inner tubular member and the pressure housing and includes at least one radially extending portion compressed therebetween. | 01-26-2012 |
| 20090283331 | MATERIAL FOR PRODUCING PARTS OR COATINGS ADAPTED FOR HIGH WEAR AND FRICTION-INTENSIVE APPLICATIONS, METHOD FOR PRODUCING SUCH A MATERIAL AND A TORQUE-REDUCTION DEVICE FOR USE IN A DRILL STRING MADE FROM THE MATERIAL - The present invention relates to a material for producing parts or coatings adapted for highly wear and friction intensive applications, said material comprising preformed hard material particles made of carbides which are randomly embedded in a matrix of a host material. In order to provide a material that is suitable to produce parts or coatings having a high wear resistance, and which at the same time causes a low friction resistance, it is suggested that the carbide particles are preformed spherical particles having a hardness in the range between 1000 and 2000 HV/10 and said host material is a Ni based alloy additionally comprising C, Cr, Mo, Fe, Si, B and Cu in the following ranges (in wt %): C 0.005-1.0; Cr 10.0-26.0; Mo 8.0-22.0; Fe 0.1-10.0; Si 3.0-9.0; B 1.0-5.0; Cu 0.1-5.0. | 11-19-2009 |
| 20090152011 | Downhole Drive Shaft Connection - In one aspect of the present invention, a section of a drill string has a drill bit with a body intermediate a shank and a working face, the working face having at least one cutting element. A jack element is disposed within the drill bit body and has a distal end substantially protruding from the working face. A drive shaft is in communication with the jack element and a rotary source. The drive shaft has a first portion secured within a bore of a tool string component in the tool string and a second portion secured within a bore of the drill bit. The first and second portions of the drive shaft are connected at a pin and box connection wherein the first and second portions are automatically connected as the tool string component is mechanically coupled to the drill bit. | 06-18-2009 |
| 20100122851 | Ultra-hard drilling stabilizer - A drilling stabilizer having a body and a plurality of blades integrally cast from tungsten carbide particles bound together with a heated metal binder, for use in drilling oil and gas wells, has a first box end and a second pin end at the distal end of the stabilizer. A plurality of PDC cutters are mounted on the top end of the stabilizer to allow the stabilizer to be used as a reamer when pulling the stabilizer out of the borehole. A steel tube is formed within the interior of the stabilizer in the molding process and which allows the pin end to have steel threads and the box end to also have steel threads to facilitate the makeup of the stabilizer with either the steel threads of a drill bit or the steel threads of joints of drill pipe. | 05-20-2010 |
| 20120138368 | BOTTOM PREVENTER FOR USE IN A DRILLING SYSTEM - A conduit assembly for use in a drilling system that may include an upper section, an intermediate section and a lower section. The upper section may include a first seal. The first seal may include an opening that may be sized and configured to receive and form a seal with an inner drill string. The first seal may include one or more slits that may extend from an outer edge of the first seal to the opening of the first seal. The intermediate section may include an outlet for a flushing medium. The outlet may include a projection that may extend into a hollow interior of the intermediate section. The lower section may be sized and configured to be connected to and disconnected from a connecting portion of an outer drill string. The lower section may be sized and configured to be connected to and disconnected from the intermediate section. | 06-07-2012 |
| 20120067650 | MODULAR SYSTEM OF MUTLI-PURPOSE RODS FOR DRILLING SOIL - A modular system of multipurpose rods for drilling soil is constituted by rods ( | 03-22-2012 |
| 20090071722 | WELLBORE CONSOLIDATING TOOL FOR ROTARY DRILLING APPLICATIONS - A subpart of a drill string is described having an outer circumferential surface which is contoured and adapted to engage the wall of the borehole with a small angle of attack while exerting during rotary drilling operations an compacting pressure on mud cake and/or cuttings present in the annulus between the drill string and the borehole. | 03-19-2009 |
| 20120199400 | DRILL PIPE AND CORRESPONDING DRILL FITTING - A drillpipe for a drill stem to drill a hole. The drill stem includes a drill string and a bottom hole assembly. The drillpipe includes a first end having a first inertia, a second end having a second inertia, a first intermediate zone adjacent to the first end, a second intermediate zone adjacent to the second end, and a central substantially tubular zone with an external diameter smaller than the maximum external diameter of at least the first or the second end. A casing is fixed on the pipe over a portion of the external surface thereof, at least one physical parameter sensor is disposed in the casing, and at least one data transmission/storage mechanism is connected to the sensor output, the casing being disposed at a distance from the first and second ends, the casing being integral with the central zone at a distance from the first and second intermediate zones and having a smaller inertia than the first and second inertias. | 08-09-2012 |
| 20080217070 | Method and apparatus for providing a continuous stroke auger boring machine - An auger boring machine provides a continuous stroke drive assembly for driving a pilot tube to form an underground pilot hole used for guiding an auger in boring an underground pipe installation hole. The drive assembly preferably drives the pilot tube a distance at least the length of one of the pilot tube segments making up the pilot tube to substantially expedite the process. One embodiment includes a hydraulic piston-cylinder combination with a cylinder at least the length of the pilot tube segment. Alternately, a rack and a pinion drive mechanism may be used with a rack at least the length of the pilot tube segment or even more than twice that length to allow for a pair of pilot tube segments to be added simultaneously to the pilot tube. A lubricant feed system allows water to be pumped through passages formed in the pilot tube and steering head. | 09-11-2008 |
| 175325300 | With bore wall engaging means rotatable relative to shaft section (e.g., with bearings) | 3 |
| 20100078222 | MATRIX TURBINE SLEEVE AND METHOD FOR MAKING SAME - A turbine matrix sleeve in accordance with the invention includes an inner cylindrical structure made up of a first material. The inner cylindrical structure may include multiple blades and multiple channels running between the blades along an outside diameter thereof. The inner cylindrical structure further includes threads, such as right-hand or left-hand threads, on an outer surface thereof. An outer layer, made up of a second material different from the first material, is integrally bonded to the threads. This outer layer may be optionally embedded with hardened inserts or buttons, such as PDC inserts, diamond inserts, TSP inserts, or the like. The threaded surface on the inner cylindrical structure significantly improves the bond between the outer layer and the inner cylindrical structure and creates a mechanical lock therebetween. | 04-01-2010 |
| 20110067926 | ELECTRICALLY POWERED TRACTOR - An electrically powered and controlled tractor system includes one or more electric gripper assemblies and one or more electric power train assemblies. Power and control signals for the gripper assemblies and power train assemblies can be delivered from a ground surface via a wireline. The gripper assembly employs a motor-activated lead screw and nut combination to expand passage-gripping elements, preferably by pushing the gripping elements radially outward from locations between opposing ends of the gripping elements. A failsafe mechanism can retract the gripping elements during a power interruption. The power train assembly employs a motor-activated lead screw and nut combination to expand and contract two or more telescoping members. The tractor system can include multiple tractor units that each includes one gripper assembly and one power train assembly. A tractor can include one power train assembly and two gripper assemblies. | 03-24-2011 |
| 20110036638 | Interlocking Low Profile Rotating Control Device - A system and method is provided for a low profile rotating control device (LP-RCD) and its housing mounted on or integral with an annular blowout preventer seal, casing, or other housing. The LP-RCD and LP-RCD housing can fit within a limited space available on drilling rigs. An embodiment allows a LP-RCD to be removably disposed with a LP-RCD housing by rotating a bearing assembly rotating plate. A sealing element may be removably disposed with the LP-RCD bearing assembly by rotating a seal retainer ring. Alternatively, a sealing element may be removably disposed with the LP-RCD bearing assembly with a seal support member threadedly attached with the LP-RCD bearing assembly. The seal support member may be locked in position with a seal locking ring removably attached with threads with the LP-RCD bearing assembly over the seal support member. Spaced apart accumulators may be disposed radially outward of the bearings in the bearing assembly to provide self lubrication to the bearings. | 02-17-2011 |
| 175325400 | Having removable inserts | 1 |
| 20080296067 | Adjustable Winged Centering Tool for Use In Pipes With Varying Diameter - The present invention relates to an adjustable centering tool ( | 12-04-2008 |
| 175325500 | Surrounding existing shaft section | 7 |
| 20090301785 | Integrated Spiral Blade Collar - An integrated spiral blade collar comprising: a collar comprising a wall defining a bore, the collar having a longitudinal axis extending from a proximal end to a distal end; the collar comprising a first engagement mechanism at the proximal end and a second engagement mechanism at the distal end; the collar comprising one or more integral blades extending radially outward from an outer surface and forming a spiral around the longitudinal axis of the collar from at or near the proximal end to at or near the distal end of the collar, the spiral being at an angle of from 1° to 89° relative to the longitudinal axis of the collar. | 12-10-2009 |
| 20130098690 | REPAIRED WEAR AND BUCKLE RESISTANT DRILL PIPE AND RELATED METHODS - The present invention embodies a drill pipe in which various damaged sections of the pipe are repaired in order to maintain or improve the wear and buckle resistance of the drill pipe. The sections are strengthened using various hardening methods such as heat treatment processes and/or expansion techniques. A sleeve can also be applied to the strengthened portions. Surface enhancers, such as hardbanding, can be applied to the strengthened portions or the sleeve in order to provide abrasion resistance or to reduce friction. | 04-25-2013 |
| 20100078223 | PLATE STRUCTURE FOR EARTH-BORING TOOLS, TOOLS INCLUDING PLATE STRUCTURES AND METHODS OF FORMING SUCH TOOLS - Plate structures attachable to earth-boring tools comprise a disk including a circumferentially extending rim configured for attachment to an earth-boring tool. An aperture is formed through a portion of the disk and positioned radially interior from the rim. The aperture is configured to at least partially align with at least one junk slot of the earth-boring tool. Earth-boring tools comprising such plate structures, and methods of forming such earth-boring tools are also disclosed. | 04-01-2010 |
| 20090139773 | Percussive drill bit for rock drilling and method for the manufacture of such a drill bit - A drill bit for percussive rock drilling of the type that comprises a front head and a tubular skirt, which extends rearward from the head to a rear, ring-shaped end and includes an internal thread for the transfer of combined impact and rotary motions to the drill bit is disclosed. The rear end of the skirt is, via an unelastic joint, e.g., a friction weld, united to a front end of a sleeve having an envelope surface, from which a plurality of projections are peripherically spaced-apart from each other project, e.g., ridges, having the purpose of guiding the drill bit in the drill hole. By assembling the drill bit of two parts, the internal thread can be turned with high accuracy and smoothness, at the same time as the drill bit is given an inherent good controllability. In an additional aspect, a method for the manufacture of such a drill bit is also disclosed. | 06-04-2009 |
| 175325600 | Held by a fastener parallel to shaft axis | 1 |
| 20120312601 | SYSTEMS AND METHODS OF A CLAMP FOR A SAMPLE BOTTLE ASSEMBLY - Clamp for a sample bottle assembly. At least some of the illustrative embodiments are apparatuses including a first drill collar section. The first drill collar includes: a first outer surface; a pocket accessible through an aperture in the first outer surface; a bottle assembly disposed within the pocket; and an intermediate clamp coupled to the first outer surface and spanning the pocket, the intermediate clamp at least partially retains the bottle assembly in the pocket, and the intermediate clamp has an axial length less than an axial length of the bottle assembly. | 12-13-2012 |
| 175325700 | Held by discrete fastening means tangential to shaft axis | 2 |
| 20090266618 | ROTATING DRILL PIPE PROTECTOR ATTACHMENT AND FASTENER ASSEMBLY - An attachment and fastener system rigidly secures a rotatable drill pipe protector (RDPP) to a drill pipe. The RDPP comprises a sleeve which is split axially along at least one side. Parallel hinge bars are contained in first and second hinge sections which wrap around the hinge bars along opposite sides of the opening in the RDPP. One hinge bar is rotatable in the first hinge section. A series of axially spaced apart bolts are held in corresponding threaded openings in the rotatable hinge bar which rotates about its axis to swing the bolts in unison between open and closed positions. The other hinge bar has a series of threaded receptor openings facing outwardly from slotted openings in the second hinge section and aligned with the bolts on the other hinge bar. The rotating hinge bar swings the bolts into alignment with the slotted openings in the other hinge, after which the bolts are tightened in the threaded receptor openings for applying a holding force around the drill pipe. The hinges which wrap around each hinge bar are formed on the ends of a reinforcing cage structure molded into the wall of the RDPP. | 10-29-2009 |
| 20110017516 | NON-ROTATING BUOYANCY MODULES FOR SUB-SEA CONDUITS - A buoyancy module assembly reduces the effective weight of a sub-sea conduit used in a deep-water wellbore drilling installation. The assembly includes a buoyant sleeve positioned around the conduit between upper and lower stop collar assemblies. The sleeve contains buoyant material forming most of its cross-section, with cross sectional segments thereof each encapsulated in a non-porous resinous material that forms an outer jacket around each segment. In one embodiment, a non-rotating generally circular inside diameter of the sleeve is formed by the thin layer of jacket material bonded directly to an interior reinforcing cage. A narrow gap is formed between the ID of the non-rotating sleeve and the OD of the conduit. The collar assemblies comprise an inner collar rigidly affixed to the conduit and contained within a larger diameter outer shell adapted for rotation relative to the fixed inner collar. | 01-27-2011 |
| 175326000 | Engaging means advances in adjacent hole | 1 |
| 20110120779 | EQUIPMENT FOR DRILLING SECANT HOLES - Equipment for drilling secant holes ( | 05-26-2011 |
