[특허]Drilling with casing latch

[미국특허] Drilling with casing latch 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-017/00
출원번호	US-0795214 (2004-03-05)
등록번호	US-7360594 (2008-04-22)
발명자 / 주소	Giroux,Richard L. Thompson,Gary Odell, III,Albert C.
출원인 / 주소	Weatherford/Lamb, Inc.
대리인 / 주소	Patterson & Sheridan, LLP
인용정보	피인용 횟수 : 21 인용 특허 : 565

초록 ▼

A latch assembly, and methods of using the latch assembly, for use with a bottom hole assembly (BHA) and a tubular, are provided. In one embodiment, the latch assembly is disposable within the tubular, configured to be rotationally and axially coupled to the tubular. In one aspect of the embodiment, latch assembly is configured to be released from the tubular by applying a tensile force to the latch assembly. The latch the latch assembly may comprise: one or more sleds disposed within one or more respective slots formed along at least a portion of a locking mandrel; and one or more retractable axial drag blocks configured to engage a matching axial profile disposed in the tubular, wherein each axial drag block is coupled to the respective sled with one or more biasing members; and the locking mandrel actuatable between a first position and a second position and preventing retraction of the axial drag blocks when actuated to the second position. The latch assembly may also comprise a drag block body having a bore therethorugh; and one or more retractable torsional drag blocks configured to engage a matching torsional profile disposed in the tubular, wherein each torsional drag block is coupled to the drag block body with a biasing member.

대표청구항 ▼

The invention claimed is: 1. A latch assembly for coupling to a bottom hole assembly (BHA), comprising: a tubular, wherein the latch assembly is disposable within the tubular and configured to be rotationally and axially coupled to the tubular; one or more sleds disposed within one or more respective slots formed along at least a portion of a locking mandrel; one or more retractable axial drag blocks configured to engage a matching axial profile disposed in the tubular, wherein each axial drag block is coupled to the respective sled with one or more biasing members; and the locking mandrel actuatable between a first position and a second position and preventing retraction of the axial drag blocks when actuated to the second position. 2. The latch assembly of claim 1, wherein the latch assembly is configured to be released from the tubular by applying a tensile force to the latch assembly. 3. The latch assembly of claim 1, comprising: a drag block body having a bore therethrough; and one or more retractable torsional drag blocks configured to engage a matching torsional profile disposed in the tubular, wherein each torsional drag block is coupled to the drag block body with a biasing member. 4. The latch assembly of claim 1, comprising: one or more cup rings sealingly engageable with the tubular. 5. The latch assembly of claim 4, further comprising: one or more packer rings, wherein each cup ring is configured to expand each packer ring into sealing engagement with the tubular when an actuation pressure is exerted on each cup ring. 6. The latch assembly of claim 5, wherein each cup ring is configured to exert a compressive force on each packer ring to expand each packer ring. 7. The latch assembly of claim 1, comprising: a body having a bore formed therethrough and having one or more ports formed through a wall thereof; and a mandrel having a bore therethrough and at least partially disposed within the body, wherein the mandrel is actuatable between a first position and a second position and the mandrel closes the ports when actuated to the second position. 8. The latch assembly of claim 7, further comprising: a bypass mandrel having a bore formed therethrough; a first collet having one or more retractable, cantilevered fingers and coupled to the bypass mandrel; a collet mandrel having a bore formed therethrough and coupled to the bypass mandrel; a cup mandrel disposed along the bypass mandrel and having a shoulder therein engagable with the first collet; a case disposed along the bypass mandrel and coupled to the cup mandrel; a second collet having one or more retractable, cantilevered fingers and coupled to the collet mandrel; a collet retainer disposed between the cup mandrel and the case and engageable with the fingers of the second collet, wherein the fingers of the second collet and the collet retainer are configured so that the fingers of the second collet will disengage the collet retainer when a first force is applied to the bypass mandrel and engage the collet retainer when a second force is applied to the bypass mandrel, the first force being greater than the second force. 9. The latch assembly of claim 1, comprising: a packing element sealingly engageable with the tubular, disposed along and coupled to a packer mandrel, and coupled to a packer compression member; and the packer compression member releasably coupled to the packer mandrel with a ratchet assembly, wherein the packing element will be held in sealing engagement with the tubular when actuated by a setting force and released from sealing engagement with the tubular when the packer compression member is released from the packer mandrel by a releasing force. 10. The latch assembly of claim 1, comprising: a mandrel having a bore therethrough; a setting tool releasably coupled to the mandrel, wherein the setting tool is configured to transfer a first force to the latch assembly applied to the setting tool by either a run in device or fluid pressure and to release the mandrel upon application of a second force to the setting tool by the run in device or fluid pressure. 11. The latch assembly of claim 10, wherein the setting tool comprises: a bypass mandrel having a bore formed partially therethrough and having one or more ports formed through a wall thereof; a center mandrel having a bore therethrough and having one or more ports formed through a wall thereof; a housing coupled to the center mandrel and disposed along the bypass mandrel, wherein the bypass mandrel is actuatable between a first position and a second position and the bypass mandrel closes the center mandrel ports when actuated to the second position and the bypass mandrel ports are closed by the housing when the bypass mandrel is actuated to the second position. 12. The latch assembly of claim 10, wherein the setting tool comprises: a cup ring sealingly engageable with the tubular; a packer ring, wherein the cup ring is configured to expand the packer ring into sealing engagement with the tubular when an actuation pressure is exerted on the cup ring. 13. The latch assembly of claim 10, wherein the setting tool comprises: a spear mandrel having a bore therethrough; a collet having one or more retractable, cantilevered fingers and disposed along the spear mandrel; and a locking case disposed along the spear mandrel and coupled to the collet with a biasing member, wherein the collet is actuatable between a first position, where the fingers are prevented from retracting due to engagement with the spear mandrel, and a second position where the fingers are free to retract. 14. The latch assembly of claim 13 wherein the setting tool further comprises: a center mandrel having a bore therethrough coupled to the spear mandrel; a shear pin case coupled to the locking case and actuatable between a first position, where the shear pin case is coupled to the center mandrel by one or more shear pins and a second position, where the shear pin case is coupled to the center mandrel by a snap ring and the fingers are free to retract. 15. The latch assembly of claim 1, comprising: means for axially and torsionally engaging the tubular. 16. The latch assembly of claim 15, further comprising: means for transferring a setting force to the latch assembly and releasing the latch assembly when a releasing force is applied to the means. 17. A method of installing a latch assembly in a tubular, comprising: running a latch assembly into the tubular using a run in device, wherein running the latch assembly into the tubular using the run in device comprises: running the latch assembly and a setting tool into the tubular using the run in device until one or more axial drag blocks of the axial engagement member engage a matching axial profile in the tubular; and setting the latch assembly by setting an axial engagement member and a rotational engagement member thereby axially and rotationally coupling the latch assembly to the tubular wherein the axial engagement member is axially spaced from the rotational engagement member, wherein setting the latch assembly, thereby axially and rotationally coupling the latch assembly to the tubular, comprises rotating either the tubular relative to the latch assembly or the latch assembly relative to the tubular until one or more torsional drag blocks of the rotational engagement member engages a matching torsional profile in the tubular and exerting a first setting force on the setting tool using the run in device or by applying fluid pressure to the setting tool, wherein the setting tool will transfer the first setting force to the latch assembly and a locking mandrel will move axially relative to the axial drag blocks, thereby preventing the axial drag blocks from disengaging the axial profile. 18. The method of claim 17, further comprising: exerting a second setting force on the setting tool using the run in device or by applying fluid pressure to the setting tool, wherein a releasable latch mechanism, coupling the setting tool to the latch assembly will disengage the latch assembly. 19. The method of claim 17, further comprising: running a retrieval device into the tubular to the latch assembly using the run in device, wherein the retrieval device will engage the latch assembly; and wherein exerting a tensile force on the latch assembly, thereby un-setting the latch assembly from the tubular, comprises: exerting a tensile force on the latch assembly using the run in device, wherein the locking mandrel will move axially relative to the axial drag blocks, the axial drag blocks will disengage the axial profile, and the torsional drag blocks will disengage the torsional profile. 20. The method of claim 17, further comprising: pumping fluid through the tubular to verify that the latch assembly has set. 21. The method of claim 17, further comprising exerting a tensile force on the latch assembly, thereby releasing the latch assembly from the tubular. 22. A latch assembly for coupling a bottom hole assembly to a tubular, the latch assembly comprising: one or more engagement members configured to rotationally and axially couple the latch assembly to the tubular; a bypass mandrel having a bore formed thereth rough; a first collet having one or more retractable, cantilevered fingers and coupled to the bypass mandrel; a collet mandrel having a bore formed therethrough and coupled to the bypass mandrel; a cup mandrel disposed along the bypass mandrel and having a shoulder therein engagable with the first collet; a case disposed along the bypass mandrel and coupled to the cup mandrel; a second collet having one or more retractable, cantilevered fingers and coupled to the collet mandrel; and a collet retainer disposed between the cup mandrel and the case and engageable with the fingers of the second collet, wherein the fingers of the second collet and the collet retainer are configured so that the fingers of the second collet will disengage the collet retainer when a first force is applied to the bypass mandrel and engage the collet retainer when a second force is applied to the bypass mandrel, the first force being greater than the second force. 23. The latch assembly of claim 22, further comprising a body having a bore formed therethrough and having one or more ports formed through a wall thereof; and a mandrel having a bore therethrough and at least partially disposed within the body, wherein the mandrel is actuatable between a first position and a second position and the mandrel closes the ports when actuated to the second position. 24. A latch assembly disposable within the tubular for coupling a bottom hole assembly (BHA) to a tubular, comprising: a retrieval member disposable within the tubular; a first engagement member for engaging the tubular; a second engagement member for engaging the tubular, wherein the second engagement member is axially spaced from the first engagement member, and wherein the first engagement member and the second engagement member are configured to rotationally and axially couple the latch assembly and the bottom hole assembly to the tubular; two or more ports, including upper and lower ports, to facilitate axial movement of the latch assembly in the tubular; and a bypass mandrel adapted to open and close the upper port and the lower port. 25. The latch assembly of claim 24, wherein the first engagement member further comprises: one or more retractable axial drag blocks configured to engage a matching axial profile disposed in the tubular; and one or more biasing members configured to bias the one or more retractable axial drag blocks into engagement with the tubular. 26. The latch assembly of claim 25, further comprising a locking mandrel actuatable between a first position and a second position and preventing retraction of the axial drag blocks when actuated to the second position. 27. The latch assembly of claim 26, further comprising one or more sleds disposed within one or more respective slots formed along at least a portion of the locking mandrel, and wherein the one or more biasing members are coupled to one or more sleds. 28. The latch assembly of claim 24, wherein the second engagement member further comprises: a drag block body having a bore therethrough; and one or more retractable torsional drag blocks configured to engage a matching torsional profile disposed in the tubular, wherein each torsional drag block is coupled to the drag block body with a biasing member. 29. A method of installing a latch assembly in a tubular, comprising: running a latch assembly into the tubular using a run in device; setting the latch assembly by setting an axial engagement member and a rotational engagement member thereby axially and rotationally coupling the latch assembly to the tubular wherein the axial engagement member is axially spaced from the rotational engagement member; providing one or more sleds disposed within one or more slots formed along at least a portion of a locking mandrel; engaging one or more axial profiles disposed in the tubular with one or more axial drag blocks which is coupled to the one or more sleds with one or more biasing members; actuating the locking mandrel to a locking position; and preventing retraction of the one or more axial drag blocks when the locking mandrel is in the locking position.

이 특허에 인용된 특허 (565) 인용/피인용 타임라인 분석

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Seiler Nancy J. (Houston TX) Allen Junius D. (Dallas TX) Jackson James E. (Pearland TX) Lynch Samuel C. (Houston TX), Combination drivepipe/casing and installation method for offshore well.
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Terral Ben D., Combined well casing spider and elevator.
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Haney Keith M. (Wichita Falls TX) Lingafelter Jerry K. (Wichita Falls TX), Compact casing tongs for use on top head drive earth drilling machine.
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Buck David A. (118 Rue Du Pain Broussard LA 70518), Compensating jaw assembly for power tongs.
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Abrahamsen Egill ; Albright Stephen L. ; Hollingsworth ; Jr. Jimmy L.,DEX ; Bearb Jean D. ; Leicht Frederick M. ; Hayes Michael ; Birdwell John ; Spreij Leendert,NLX, Compensator system for wellbore tubulars.
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Davis, Jabus T.; Jordan, Douglas W.; Siersdorfer, William F., Complete trip system.
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Hebert, John Emile; Seely, Patrick John; Boudreaux, Joseph Jude; Dupr?, Thomas A., Completion apparatus and methods for use in hydrocarbon wells.
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Thomeer Bart ; Sorem Robert, Composite coiled tubing apparatus and methods.
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Miida Eishiro (Ichikawa JPX), Composite nozzle for earth boring and bore enlarging bits.
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Larsen James L. (Spring TX) Siracki Michael A. (The Woodlands TX) Oldham Thomas W. (The Woodlands TX) Keshavan Madapusi K. (Sandy UT), Composite nozzles for rock bits.
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Peter A. Quigley ; Stephen C. Nolet ; Jerry G. Williams, Composite spoolable tube.
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Quigley Peter A. ; Nolet Stephen C., Composite spoolable tube.
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Stallings Jimmie L. (4560 Pinto La. Claremore OK 74017), Continuous circulation apparatus for air drilling well bore operations.
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Ayling Laurence John,GBX, Continuous circulation drilling method.
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Pruet Glen, Continuous flow cylinder for maintaining drilling fluid circulation while connecting drill string joints.
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Boren Roy (900 N. 40th St. Birmingham AL 35222), Control method and apparatus for fluid delivery in a rotary drill string.
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Sallwasser Alan J. ; Post Roger A. ; Roy Carl J., Conveying a tool along a non-vertical well.
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LaFleur Kark K. (Weatherford TX) Wade Donald R. (Weatherford TX), Coupling apparatus.
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Brisco David P. (Duncan OK), Coupling device.
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Cumming Francis Alexander,NLX ; Fisher Simon Lawrence,NLX ; Stewart Robert Bruce,NLX, Creating zonal isolation between the interior and exterior of a well system.
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Ciglenec Reinhart ; Reid Lennox E., Deployable sensor apparatus and method.
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Callegari ; Stephen R. ; Moncus ; James D. ; Harper ; Jr. ; Roland Geor ge, Derrick mounted apparatus for the manipulation of pipe.
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Bardwell Allen E. (P.O. Box 507 ; High Knob Estates Front Royal VA 22630), Detachable shoe plates for large diameter drill bits.
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Gjedebo Jon,NOX, Device for connecting casings.
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Kvello-Aune Alf G. (N-6598 Foldefjorden NOX), Device for drilling in and/or lining holes in earth.
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Pugnet Grard (la Chapelle sur Erdre FRX), Device for handling rods for oil-well drilling.
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Trevisani Davide (Cesena ITX), Device for joining threaded rods and tubular casing elements forming a string of a drilling rig.
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McArthur James R. (Box 850 ; Hwy. 76 South Tishimingo OK) Harrel John (Box 850 ; Hwy. 76 South Lindsay OK 73052) Mayberry John (Lindsay OK), Device for positioning and stabbing casing from a remote selectively variable location.
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McArthur James R. (Tishomingo OK), Device for positioning and stabbing casing from a remote selectively variable location.
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McArthur James R. (Tishomingo OK), Device for positioning and stabbing casing from a remote selectively variable location.
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Schulze-Beckinghausen Joerg E. (Garbsen DEX), Device for positioning equipment.
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Hayes Lew (Calgary CAX) Comeau Larry (Leduc CAX) Wittrisch Christian (Rueil Malmaison FRX) Smith Ray (Beaumont CAX), Device, system and method for drilling and completing a lateral well.
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Chen Sy-Hwa (Salt Lake City UT) Sung Chien-Min (Northboro MA), Diamond metal composite cutter and method for making same.
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Baumann, Dietmar; Vollert, Herbert; Schmidt, Hanniel; Keller, Frieder, Disc brake.
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Exley Gern D. ; Cross Donald W. ; Tarlton Oran ; Decker Larry ; Hicks David J. ; McCoy Richard W., Diverless subsea hot tap system.
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Brunet Charles G., Down hole assembly and method for forming a down hole window and at least one keyway in communication with the down hole window for use in multilateral wells.
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Rear Ian Graeme,AUX, Down hole hammer assembly.
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Gilman A. Hill, Down hole, hydrodynamic well control, blowout prevention.
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Horstmeyer Robert J. (Palo Alto CA) Weick Larry J. (West Garland TX), Down-hole drilling apparatus.
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Metcalfe, Paul David, Downhole apparatus.
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Metcalfe, Paul David, Downhole apparatus.
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Edwards Jeffrey Charles,GBX, Downhole data transmission.
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Pascale Jack H. (Bloomsbury NJ), Downhole drill bit and bit coupling.
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Hanton, John; Freeman, Tommie A.; Imwalle, William M., Downhole drilling apparatus.
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John Hanton ID; Tommie A. Freeman ; William M. Imwalle, Downhole drilling apparatus.
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Gondouin Michel (San Rafael CA), Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells co.
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Mikolajczyk Raymond F. ; Mikolajczyk Michael R., Downhole guide member for multiple casing strings.
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Glowka David A. (Tijeras NM), Downhole material injector for lost circulation control.
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Wood Edward T. ; Dobson Andrew W.,GBX, Downhole pipe expansion apparatus and method.
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Tubel Paulo S. ; Mullins ; II Albert A. ; Jones Kevin R. ; Richardson Frank D., Downhole production well control system and method.
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Mayfield Walter G. (#8 Farnham Park Houston TX 77024), Downhole retrievable drill bit.
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Gearhart Marvin (Fort Worth TX) King David W. (Fort Worth TX) Mendoza Rudolph R. (Fort Worth TX) Scherbatskoy Serge A. (Fort Worth TX) Young James D. (Fort Worth TX), Downhole signaling system.
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Allamon Jerry P. ; Burgess ; Jr. Carroll Kennedy ; Miller Jack E. ; Vandervort Kurt D., Downhole surge pressure reduction system and method of use.
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Ian Alastair Kirk GB; William Barron GB; Alistair Bertrum Clark GB, Downhole tool.
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Pia Giancarlo Tomasso Pietro,GB6 ; Armell Richard Alvin,GB6, Downhole tool.
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Trahan Kevin O. (Houston TX) Baugh John L. (Houston TX), Downhole tool actuating mechanism.
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Michael P. Barrett GB; Stuart I. Jardine GB; Michael C. Sheppard GB, Downhole tool and method.
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Streich Steven G. (Duncan OK) Hushbeck Donald F. (Duncan OK) Berscheidt Kevin T. (Duncan OK) Jacobi Rick D. (Duncan OK), Downhole tool apparatus with non-metallic components and methods of drilling thereof.
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Streich Steven G. (Duncan OK) Hushbeck Donald F. (Duncan OK) Berscheidt Kevin T. (Duncan OK) Jacobi Rick D. (Duncan OK), Downhole tool apparatus with non-metallic components and methods of drilling thereof.
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Branch Alton L. (Comanche OK) Smith Donald R. (Wilson OK) Berscheidt Kevin T. (Duncan OK), Downhole tool apparatus with non-metallic packer element retaining shoes.
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Angle Colin M. ; McIntyre Thomas W., Downhole tools using artificial intelligence based control.
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Angle Colin M. ; McIntyre Thomas W., Downhole tools using artificial intelligence based control.
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Gissler Robert W. ; Holcombe Michael W. ; Purkis Daniel,GBX, Downhole tractor.
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Persson Jan E. (Henriksdalsringen 17⁵ S-131 32 Nacka SEX), Drill arrangement.
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Radtke Robert P. (Kingwood TX), Drill bit with carbide coated cutting face.
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Stogner Huey (League City TX) Watson Craig A. (Katy TX), Drill pipe handling.
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Dorlans Andr (Le Perray-en-Yvelines FRX) Fermaud Georges (Nimes FRX), Drill pipe joint.
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Norman Bruce Moore ; Andrew Dale Fuller, Drill pipe protector assembly.
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Krueger ; deceased R. Ernst (late of Newport Beach CA by Vera B. Krueger ; legal representative) Krueger William E. (Orange CA), Drill pipe/casing protector and method.
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Nelmark Jack D. (New Berlin WI), Drill shock absorber.
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McKay,David; Haugen,David M., Drill shoe.
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Jansson Kjell-Ove L. (Sandviken SEX), Drill tool.
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Jrgens Rainer (Altencelle DEX) Rathkamp Hermann (Celle DEX), Drill tool for deep wells.
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Wardley, Mike, Drillable drill bit nozzle.
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Sukup Richard A. (Burleson TX) Harris Monty E. (Azle TX), Drillable well-fluid flow control tool.
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Tschirky John E. (Long Beach CA), Drilling and casing landing apparatus and method.
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Hale Arthur H. (Houston TX) Cowan Kenneth M. (Sugar Land TX), Drilling and cementing extended reach boreholes.
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Cowan Kenneth M. (Sugar Land TX) Hale Arthur H. (Houston TX), Drilling and cementing slim hole wells.
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Pia,Giancarlo, Drilling apparatus.
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Tibbitts Gordon A. (Salt Lake City UT) Cooley Craig H. (Bountiful UT), Drilling apparatus with dynamic cuttings removal and cleaning.
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Sinor Lawrence Allen, Drilling assembly and method of drilling for unstable and depleted formations.
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Pia,Giancarlo, Drilling method.
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Ayling, Laurence J., Drilling methods and apparatus.
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Boyadjieff George I. (Anaheim CA), Drilling of wells with top drive unit.
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Richardson Allan S. (1165G - 44th Avenue SE. Calgary ; Alberta CAX T2G 4X4), Drilling rig.
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Burt A. Adams ; William C. Shafer ; Norman A. Henry, Drilling rig, pipe and support apparatus.
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Mohn Frank (London GB2), Drilling system.
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Jay M. Eppink ; David E. Rios-Aleman ; Albert C. Odell, Drilling system utilizing eccentric adjustable diameter blade stabilizer and winged reamer.
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Tessari, Robert M., Drilling with casing.
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Winfree Michael B. (Anchorage AK), Drilling with casing and retrievable bit-motor assembly.
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Leturno Richard E. (Plano TX), Drilling with casing and retrievable drill bit.
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Leturno Richard E. (Plano TX), Drilling with casing and retrievable drill bit.
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Galloway, Gregory G.; Brunnert, David J., Drilling with concentric strings of casing.
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Fenyvesi Jnos (Hungria krt. 163/b. H-1146 Budapest HUX), Drillstem motion apparatus, especially for the execution of continuously operational deepdrilling.
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Thomas Ronald D. (Kingwood TX), Drive pipe adaptor.
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Haynes Charles W. (Spring TX), Dual camming action jaw assembly and power tong.
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Yamamoto Hiromitsu,JPX ; Ishiguro Hiroyasu,JPX, Dual hoist derrick system for deep sea drilling.
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Chaffin ; John D., Earth boring apparatus for geological drilling and coring.
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Duane Bloom ; Norman Bruce Moore ; Ronald E. Beaufort, Electrically sequenced tractor.
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Tulloch,Rory McCrae, Expandable apparatus for drift and reaming borehole.
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Gledhill, Andrew D.; Fuller, Mark S.; Dalrymple, Kenneth J., Expandable bit with secondary release device.
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Tibbitts Gordon A. (Salt Lake City UT), Expandable gage bit for drilling and method of drilling.
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Gano John C. ; Freeman Tommie A. ; Longbottom Jim R. ; Bowling John S., Expandable wellbore junction.
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Gano John C. ; Freeman Tommie A. ; Longbottom Jim R. ; Bowling John S., Expandable wellbore junction.
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Steele,David J.; Bailey,Ernest C.; McGlothen,Jody R., Expanding wellbore junction.
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Walling John B. (5613 Trail Lake Dr. Fort Worth TX 76133), Flexible production tubing.
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Nelson Daniel E. (4875 Sand Lake Road Orlando FL 32809), Flexpower deep well drill.
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Shahin, David; Heidecke, Karsten, Flush mounted spider.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Filippov, Andrei; Duell, Alan B., Forming a wellbore casing while simultaneously drilling a wellbore.
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Cook, Robert Lance; Brisco, David Paul; Stewart, R. Bruce; Ring, Lev; Mack, Robert Donald; Duell, Alan B.; Filippov, Andrei, Forming a wellbore casing while simultaneously drilling a wellbore.
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Brunet Charles G. ; Bouchard Michel J., Freely moving oil field assembly for data gathering and or producing an oil well.
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Kamphorst, Herman; Bottger, Dietrich; van Wechem, Gustaaf Louis, Handling of tube sections in a rig for subsoil drilling.
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Smith Thomas J. (LaPorte TX), Hardfacing composition of nickel-bonded sintered chromium carbide particles and tools hardfaced thereof.
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Langford ; Jr. James W. ; Delwiche Robert,BEX, Hardfacing with coated diamond particles.
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Keshavan Madapusi K. (The Woodlands TX) Kembaiyan Kuttaripalayam T. (The Woodlands TX) Quantz Wayne C. (Kingwood TX) Tucker ; Jr. Robert C. (Brownsburg IN) Mendenhall Melvin D. (Friendswood TX) Quets, High performance overlay for rock drilling bits.
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Chitwood, James E.; Vail, III, William Banning; Crossland, William G.; Skerl, Damir S.; Dekle, Robert L., High power umbilicals for subterranean electric drilling machines and remotely operated vehicles.
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Swartz Richard H. (Gainesville FL) Pearce Richard J. (Gainesville FL) Bowe James M. (Gainesville FL), Holding wrench for drill strings.
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Kevin L. Alft ; Gregory W. Draper ; Hans Kelpe, Horizontal directional drilling machine and method employing configurable tracking system interface.
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Keller Carl E., Horizontal drilling method and apparatus.
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Smith Donald A.,CAX ; Costall Douglas,CAX, Hybrid coiled tubing/conventional drilling unit.
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Bailey Thomas F. (Houston TX) Campbell John E. (Houston TX), Hydraulic clamp for rotary drilling head.
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Shaw Danial G. (Conroe TX) MacCline Billy (Houston TX), Hydraulic top drive for wells.
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Gordon K. Scott GB; Philip T. Thomas ; Ralph H. Echols, II, Hydraulically metered travel joint.
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Scott, Gordon K.; Thomas, Phillip T.; Echols, III, Ralph H., Hydraulically metered travel joint method.
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Burkhardt Joseph A. (New Orleans LA) Childers Thomas W. (New Orleans LA) Hanson Harry R. (Houston TX) Harkrider Bobby M. (Gretna LA), Hydraulically operated actuator.
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Mullins ; II Albert A. (Humble TX), Hydraulically set well packer.
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Pelrine Ronald E. (Menlo Park CA), In-pipe running robot and method of running the robot.
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Jewkes Donald ; Krueger Volker,DEX, Integrated directional under-reamer and stabilizer.
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Abbott Roderick K. (Villa Park CA) Seneviratne Padmasiri D. (Fullerton CA) Juhasz Daniel P. (Westminster CA), Internal elevator.
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Haney Keith M. (Wichita Falls TX), Internal wrench for a top head drive assembly.
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Slator Damon T. (5629 Sugar Hill Houston TX 77056), Jaws for power tongs and back-up units.
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Albright Stephen L. ; Bearb Jean Donald, Joint compensator.
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Zimmerman, Patrick J., Joint for use with expandable tubulars.
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Giebeler Bernhardt F. (San Bernardino CA), Kelly valve.
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Smith Michael B. (Lake Forest CA), Lateral well drilling.
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Owen Harrold D. (Fort Worth TX) Roper Robert Lee (Burleson TX) Smith J. C. (Fort Worth TX) Young James Douglas (Crowley TX), Liner and reinforcing swage for conduit in a wellbore and method and apparatus for setting same.
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Baugh Hollis A. (Houston TX), Liner hanger with lost motion coupling.
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Baugh J. Lindley (Houston TX) Fraser ; III James M. (Spring TX) Melenyzer George J. (Humble TX), Liner setting tool and method.
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Boyadjieff George I. (Anaheim CA), Link tilting mechanism for well rigs.
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Juhasz, Daniel; Boyadjieff, George; Eidem, Brian L.; Van Rijzingen, Hans, Load compensator for a pipe running tool.
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Nimmo William M. (East Kilbride GB6) Jarrett Richard (Leigh-on-Sea GB2), Load moving devices.
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McHardy Colin (Aberdeen GB6), Lock mandrel for downhole assemblies.
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Leonardo Ritorto CA; Robert Roszak CA, Locking swivel device.
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Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Wyant,Reece E.; Ring,Lev; Nahm,James Jang Woo; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B.; Filippov,Andrei Gregory, Lubrication and self-cleaning system for expansion mandrel.
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Cooper ; Jr. Frank W. (Monroeville PA), Mandrel for hydraulically expanding a tube into engagement with a tubesheet.
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Wiredal Harry A. I. (Sandviken SEX), Means for drilling.
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Wiredal, Harry A. I., Means for drilling.
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Stokka Arnold,NOX, Mechanism for connecting and disconnecting tubulars.
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Putnam Paul S. (931 S. Idaho St. #130 La Habra CA 90631) Cowgill Charles F. (518 Whitten Way Placentia CA 92670) Di Bella Frank J. (3950 Los Feliz Blvd. #109 Los Angeles CA 90027), Mechanized stand handling apparatus for drilling rigs.
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Pringle Ronald E. (Houston TX) Sides ; III Winfield M. (Houston TX) Folsom David N. (Houston TX) McGavern ; III Cecil G. (Humble TX), Metal coiled tubing with signal transmitting passageway.
상세보기
Ellis Steven C. (Aberdeenshire GB6) Sharp Allan C. (Aberdeen GB6) Reid Stephen (Aberdeen GB6) Rubbo Richard P. (Aberdeen GB6), Metal seal well packer.
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Boyle Colin S.,GBX, Metal sealing wireline plug.
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Restarick, Henry L.; Robison, Clark E.; Schultz, Roger L., Method and apparatus for a sand screen with integrated sensors.
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Skene William (Aberdeen GB6), Method and apparatus for analysis of torque applied to a joint.
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Underwood Lance D. (Spring TX) Johnson Harold D. (Houston TX) Dewey Charles H. (Houston TX), Method and apparatus for automatic closed loop drilling system.
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Vercaemer Claude J. ; Darling Brian W. E., Method and apparatus for cementing a well.
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Vail ; III William B. (3123 198th Pl. SE Bothell WA 98012), Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail ; III William Banning, Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail, III,William Banning, Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail, III,William Banning; Chitwood,James E., Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Pietras, Bernd-Georg, Method and apparatus for connecting tubulars using a top drive.
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Pietras, Bernd-Georg, Method and apparatus for connecting tubulars using a top drive.
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Gray N. Monroe (502 Westmont Dr. Houston TX 77015) Magee Earl L. (16111 Spinnaker Crosby TX 77532), Method and apparatus for controlling tubular connection make-up.
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Sallwasser Alan J., Method and apparatus for conveying a logging tool through an earth formation.
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Leach Colin P. (Houston TX), Method and apparatus for deepwater drilling.
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Berry Joe R. (The Woodlands TX), Method and apparatus for displacing a top drive torque track.
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Paul David Metcalfe GB; Neil Andrew Abercrombie Simpson GB, Method and apparatus for downhole sealing.
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Tessari,Robert M.; Houtchens,Bruce D., Method and apparatus for drilling a borehole with a borehole liner.
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Harrell John W. (Houston TX) Johnson Michael H. (Houston TX) Turick Daniel J. (Houston TX) Watkins Larry A. (Houston TX), Method and apparatus for drilling and completing wells.
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Metcalfe, Paul David; Simpson, Neil Andrew Abercrombie, Method and apparatus for drilling and lining a wellbore.
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Metcalfe, Paul David; Simpson, Neil Andrew Abercrombie, Method and apparatus for drilling and lining a wellbore.
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Fincher Roger ; Watkins Larry ; Makohl Friedhelm,DEX ; Hahn Detlef,DEX, Method and apparatus for drilling boreholes in earth formations (drilling liner systems).
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Makohl Friedheim,DEX ; Vogt Carsten,DEX ; Pudjihanto Surwano,INX, Method and apparatus for drilling boreholes in earth formations (drills in liner systems).
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Badrak, Robert P.; Coon, Robert J.; Smith, Roddie R.; Mcguire, Patrick G., Method and apparatus for expandable liner hanger with bypass.
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Coone Malcolm G. (Katy TX), Method and apparatus for filling and circulating fluid in a wellbore during casing running operations.
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Slack, Maurice William; Kaiser, Trent Michael Victor; Shute, Daniel Mark, Method and apparatus for handling tubular goods.
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Bailey Gary L. ; Hudson Leo D. ; Warren Sherman R. ; Woods Ross S., Method and apparatus for hanging tubulars in wells.
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Karlsson Haraldur (Kingwood TX) Jacques Gary E. (Houston TX) Hatten James L. (Sumrall MS) Aslakson John K. (Sandy UT), Method and apparatus for horizontal drilling.
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Karlsson Haraldur (Kingwood TX) Jacques Gary E. (Houston TX) Hatten James L. (Sumrall MS) Aslakson John K. (Sandy UT), Method and apparatus for horizontal drilling.
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Callihan Rudy B. (San Antonio TX) Wainwright Clyde (McQueeney TX), Method and apparatus for installing a cementing float shoe on the bottom of a well casing.
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Burton Michael B. (Tulsa OK), Method and apparatus for lateral drilling in oil and gas wells.
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Desai, Praful C.; Dewey, Charles H., Method and apparatus for milling well casing and drilling formation.
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Gaudy Claude Francois (Bry-sur-Marne FR) Giraud Adrien (Neuilly FR) Tassin Claude J. (Courbevoie FR) Pech Christian H. (Chatou FR), Method and apparatus for moulding protective tubing simultaneously with bore hole drilling.
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Dewey, Charles H.; Allison, Glenn L.; Desai, Praful C.; McGarian, Bruce H., Method and apparatus for multilateral junction.
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Roger Lynn Schultz ; Clark Edward Robison ; Russell Irving Bayh, III ; Benjamin Bernhardt Stewart, III GB; Brian George Nutley GB; Jamie George Oag GB; Nadir Mahjoub GB, Method and apparatus for placing and interrogating downhole sensors.
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Skelly Michael (P.O. Box 2687 Pampa TX 79066), Method and apparatus for rotary power driven swivel drilling.
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Gaines Christopher M. (Kuala Lumpur MYX), Method and apparatus for running and cementing pipe.
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Marquis ; Gerald L., Method and apparatus for running and retrieving logging instruments in highly deviated well bores.
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Marquis Gerald L. (London EN), Method and apparatus for running and retrieving logging instruments in highly deviated well bores.
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McNair Robert J. (The Woodlands TX) Bangert Daniel S. (Kingwood TX), Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells.
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Murray Douglas J. (Humble TX) Tilton Frederick T. (Spring TX), Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable.
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Baker Samuel F. (Conroe TX) Braddick Britt O. (Houston TX), Method and apparatus for stage cementing a liner in a well bore having a casing.
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Penisson Dennis J. (Raceland LA), Method and apparatus for testing oilfield tubular threaded connections.
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Johnson Michael H., Method and apparatus for testing, completion and/or maintaining wellbores using a sensor device.
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Forsyth David G.,GBX ; Ross Robert C.,GBX, Method and apparatus for top to bottom expansion of tubulars.
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Wittrisch Christian (Rueil-Malmaison FRX), Method and device for carrying out measurings and/or servicings in a wellbore or a well in the process of being drilled.
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Lima Paulo Cesar Ribeiro,GBX ; Lopes Divonsir,BRX ; Sidrim Fernando Antonio Costa,BRX, Method and equipment for the flow of offshore oil production.
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Hawkins ; III Samuel P., Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing.
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Mosing, Donald E.; Hawkins, III, Samuel P.; Sipos, David L.; Lutgring, Keith T.; Latiolais, Jr., Burney J., Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing.
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Meehan, Richard John, Method and system for drilling a wellbore having cable based telemetry.
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Gardes Robert, Method and system for drilling and completing underbalanced multilateral wells utilizing a dual string technique in a live well.
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Gardes Robert, Method and system for drilling underbalanced radial wells utilizing a dual string technique in a live well.
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Hollingsworth, Jimmy Lawrence; Reinholdt, Bernd, Method for aligning tubulars.
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Wood Edward T. (Kingwood TX), Method for cementing casing or liners in an oil well.
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Angman,Per G., Method for drilling with casing.
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Dawson, Charles R.; Biegler, Mark W., Method for installation of evacuated tubular conduits.
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Jordan ; Jr. Henry J. (Conroe TX) McNair Robert J. (The Woodlands TX) Bennett Rodney J. (Houston TX), Method for multi-lateral completion and cementing the juncture with lateral wellbores.
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Trahan Kevin O. (Houston TX) Bennett Rodney D. (Houston TX) Baugh John L. (Houston TX) Krauss Christiaan D. (Velserbroek NLX), Method for multi-lateral completion and cementing the juncture with lateral wellbores.
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Novak Lucille H. (Houston TX), Method for primary cementing a well with a drilling mud which may be converted to cement using chemical initiators with.
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Kammerer ; Jr. Archer W. (Tryon NC) Johnson Gary R. (Yorba Linda CA), Method for producing chambered blast holes.
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Bjerking Sven-Erik (Upsala SEX) Andersson Sven-Goran (Upsala SEX), Method for prudent penetration of a casing through sensible overburden or sensible structures.
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Haugen David M., Method for window formation in wellbore tubulars.
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Head Philip,GBX, Method of and apparatus for installing casing in a well.
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Bertet Eric,FRX ; Gueguen Jean-Marie,FRX ; Saltel Jean-Louis,FRX ; Signori Frederic,FRX, Method of cementing deformable casing inside a borehole or a conduit.
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Gill Daljit Singh (Rijswijk NLX) Lohbeck Wilhelmus Christianus Maria (Rijswijk NLX) Stewart Robert Bruce (Rijswijk NLX) Van Vliet Jacobus Petrus Maria (Rijswijk NLX), Method of creating a casing in a borehole.
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Robert Lance Cook ; David Paul Brisco ; R. Bruce Stewart NL; Lev Ring ; Richard Carl Haut ; Robert Donald Mack, Method of creating a casing in a borehole.
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Coenen Josef Guillaume Christoffel,NLX ; Maekiaho Leo Bernhard,NLX, Method of creating a wellbore.
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Timothy John Frank ; Robert Joe Coon ; David Martin NL, Method of creating a wellbore in an underground formation.
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Worrall Robert N. (Rijswijk NLX) Lohbeck Wilhelmus C. M. (Rijswijk NLX) Choate Paul R. (Rijswijk NLX) Donnelly Martin (Arnhem NLX), Method of creating a wellbore in an underground formation.
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Colgate Stirling A. (4616 Ridgeway Los Alamos NM 87544), Method of deep drilling.
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Donovan Joseph F. (Spring TX) Johnson Michael H. (Spring TX) Turick Daniel J. (Spring TX), Method of drilling and completing wells.
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Mike Wardley GB; Phillip Strong GB, Method of forming a subsea borehole from a drilling vessel in a body of water of known depth.
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Smith, Ray C.; Hepburn, Neil, Method of forming downhole tubular string connections.
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Hauk ; Ernest D. ; Hauk ; Thomas D. ; Carstensen ; Kenneth J., Method of gaging and joining pipe.
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Stuart Randolph L., Method of rotating a tubular member.
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Rogers ; Jr. ; George Dominic ; West ; John Merle, Method of securing a sleeve within a tube.
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Sas-Jaworsky Alex (Houston TX) Williams Jerry G. (Ponca City OK), Method using spoolable composite tubular member with energy conductors.
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Spedale ; Jr. Angelo Lee, Methods and apparatus for attaching a casing to a drill bit in overburden drilling equipment.
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Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Vail, III,William Banning, Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells.
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Bailey, Thomas F.; Nero, Michael; Wilson, Timothy L., Methods and apparatus to control downhole tools.
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Vail ; III William Banning ; Momii Steven Thomas, Methods and apparatus to produce stick-slip motion of logging tool attached to a wireline drawn upward by a continuousl.
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Harold Kent Beck ; Clark E. Robison ; Arthur Isadore Burke ; Ian Colin Phillips GB; Elbert Juan Smith ; Alan Tancel Jackson, Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation.
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Harold Kent Beck ; Clark E. Robison ; Arthur Isadore Burke ; Ian Colin Phillips GB; Elbert Juan Smith ; Tance Jackson, Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation.
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Harold Kent Beck ; Clark E. Robison ; Arthur Isadore Burke ; Ian Collin Phillips GB; Elbert Juan Smith ; Tance Jackson, Methods and associated apparatus for downhole data retrieval, monitoring and tool actuation.
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Caraway Douglas, Methods and related equipment for rotary drilling.
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Metcalfe,Paul David; Simpson,Neil Andrew Abercrombie, Methods for drilling and lining a wellbore.
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Longbottom James R. ; Gano John C. ; Hilts Robert L., Methods of completing a subterranean well.
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Echols, Ralph H.; Simone, Anthony D.; Hopkins, Sam A., Methods of fabricating a thin-wall expandable well screen assembly.
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Pogonowski Ivo C. (Blacksburg VA), Methods of forming swages for joining two small tubes.
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Butcher Trent N., Methods of high temperature infiltration of drill bits and infiltrating binder.
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Huzyak Paul (Salem OH), Modular transducer assembly for rolling mill roll adjustment mechanism.
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Barr John D. (Cheltenham GB2) Thorp Richard E. (Frampton-Cotterell GB2) Russell Robert A. (Barnwood GB2), Modulated bias unit for rotary drilling.
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Barr John D. (Gloucestershire GB3), Modulated bias unit for rotary drilling.
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Thorp Richard E. (Bristol GB2), Modulated bias unit for rotary drilling.
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Vincent Darrell L. (7950 Locke La. ; #10 Houston TX 77063) Vincent Larry W. (965 Lakeview Dr. Montgomery TX 77353) Shaunfield John E. (1101 Rainbow Richardson TX 75081), Monitoring torque in tubular goods.
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Vincent Darrell L. (Dallas TX) Vincent Larry W. (Montgomery TX), Monitoring torque in tubular goods.
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Vail ; III William B. (3123-198th Pl. SE. Bothell WA 98012), Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys.
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Vail ; III William Banning, Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys.
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Henneuse Henry (Pau FRX) Becq Denis (Pau FRX), Motorized rotary swivel equipped with a dynamometric measuring unit.
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Hordijk Jan (Hoofddorp NLX) Wierda Gerhard J. (Lisserbroek NLX), Movement simulator.
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Bailey Thomas F. (Houston TX) Todd ; Jr. Raymond A. (Houston TX), Mud saver valve with replaceable inner sleeve.
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Carter Thurman B. ; Johantges Paul J. ; Pleasants Charles W., Multi-face whipstock with sacrificial face element.
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Dickinson ; III Ben Wade Oakes ; Dickinson Robert Wayne ; Nordlund Robert, Multiple lateral hydraulic drilling apparatus and method.
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Underwood Gene E. (Casper WY), Nozzle and process.
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Thomas Robert D. (Tonkawa OK), Nozzle retention method for rock bits.
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Juhasz, Daniel; Boyadjieff, George; Eidem, Brian L.; van Rijzingen, Hans, Offset elevator for a pipe running tool and a method of using a pipe running tool.
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Seefried Douglas (1602 Summit Street ; S.W. Calgary ; Alberta CAX T3C 2M1) Stone Vernon E. (#30 ; 185 Woodridge Drive ; S.W. Calgary ; Alberta CAX T2W 3X7), Oilfield cementing tool and method.
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Stogner Huey (P.O. Box 803 Houston TX 77001), Oilfield make-up and breakout tool for top drive drilling systems.
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Vail ; III William Banning, One pass drilling and completion of extended reach lateral wellbores with drill bit attached to drill string to produce hydrocarbons from offshore platforms.
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Vail ; III William Banning, One pass drilling and completion of wellbores with drill bit attached to drill string to make cased wellbores to produce hydrocarbons.
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Jrgens Rainer (Celle DEX) Krehl Dietmar (Celle DEX), One trip window cutting tool method and apparatus.
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Coon, Robert Joe, Orienting whipstock seat, and method for seating a whipstock.
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.ANG.sberg Bengt,SEX, Overburden drilling apparatus having a down-the-hole hammer separatable from an outer casing/drill bit unit.
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Vaynshteyn Vladimir ; Hendrickson James D. ; Benton Jim B. ; Madhavan Raghu ; Willcox Mitchell G. ; Patel Dinesh R., Packer.
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Bailey Thomas F. (Houston TX) Lancaster Charles E. (Iola TX) Lee Richard (The Woodlands TX), Packer for wellhead repair unit.
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Strong, Philip Anton; Cuthill, Duncan; Kobiela, Martin Leon, Pile and method for installing same.
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Wilson Steve B. (710 S. Spruce Vivian LA 71082), Pilot casing mill.
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Murray, Geoffrey Neil, Pipe assembly with a plurality of outlets for use in a wellbore and method for running such a pipe assembly.
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Slack,Maurice William, Pipe centralizer and method of attachment.
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Billingsley Lloyd E. (Houston TX), Pipe connector apparatus having gripping and sealing means.
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Bee Robert M. ; Livingston William T., Pipe die method and apparatus.
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Downie R. James,CAX ; Brown Matthew,CAX, Pipe gripping device.
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Bee Robert M. ; Livingston William Ty, Pipe gripping die.
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Krasnov Igor (Houston TX), Pipe handling apparatus and method.
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Beierbach,K. Evert; Nikiforuk,Kevin, Pipe handling device, method and system.
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Daniel Juhasz ; George Boyadjieff ; Brian L. Eidem ; Hans Van Rijzingen NL, Pipe running tool.
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Hudson Ray E. (118 O\Michael Bldg. Odessa TX 79761), Pipe spinner.
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Bouligny ; Jr. Vernon J ; Olivier Michael W, Pipe string handling apparatus and method.
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Lenze Friedrich (Ratingen DEX), Pipeline with threaded pipes and a sleeve connecting the same.
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Pringle Ronald E. (Houston TX) Morris Arthur J. (Magnolia TX), Piston actuated high temperature well packer.
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Tessari Robert M. (Box 43 ; Site 19 ; S.S. 1 Calgary ; Alberta CAX T2M 4N3) Angman Per (#6 Granville Crescent S.W. Calgary ; Alberta CAX T3E 4E2), Portable top drive assembly.
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Lorenz Jorg (Burgwedel DEX) Schulze-Beckinghausen Joerg-Erich (Garbsen DEX), Positioning apparatus for a power tong.
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Upham Neil R. (Jackson MI) Rogers Russell L. (Munith MI), Pressure actuated metal-to-metal seal.
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Neil Andrew Abercrombie Simpson GB, Procedures and equipment for profiling and jointing of pipes.
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Alexander Steve L. (Bakersfield CA), Process and apparatus for completing a well in an unconsolidated formation.
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Wittrisch Christian (Rueil-Malmaison FRX) Laurent Jean (Orgeval FRX) Naville Charles (Massy FRX), Process and device for installing seismic sensors inside a petroleum production well.
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Mocivnik Josef,ATX ; Bohm Karl,ATX, Process and device for simultaneously drilling and lining a hole.
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Hudson Leo D. (Bakersfield CA), Process for completing a well.
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Hudson Leo D. (Bakersfield CA), Process for completing a well.
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Legendre Yves (Balloy FRX) Barthelemy Herv (Croissy/sur/Seine FRX), Process for placing a piling in the ground, a drilling machine and an arrangement for implementing this process.
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Paulo Tubel, Production well telemetry system and method.
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Paul David Metcalfe GB; Neil Andrew Abercrombie Simpson GB, Profile formation.
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Cameron, John A. M., Profiled recess for instrumented expandable components.
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Lorenzo G. Lovato ; Gordon A. Tibbitts, Reinforced abrasive-impregnated cutting elements, drill bits including same and methods.
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Cognevich Michael L. (Tulsa OK) Shirk Steven H. (Broken Arrow OK), Releasable well tool stabilizer.
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Albright Stephen L. (Houston TX) Hayes Michael W. (Lafayette LA) Hollingsworth Jimmy L. (Cypress TX) McClung ; III Guy L. (Spring TX), Releasing tool.
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Holcombe Michael W., Remote control plug-dropping head.
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Wydrinski Raymond (Lewisville TX), Resistivity measurement system for drilling with casing.
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Quesenbury Jimmy B. (P.O. Box 625 Waterflow NM 87421), Restriction enhancement drill.
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Beney Gilbert (Meyzieu FRX) Combet Michel (Miribel FRX), Retractable bit guide for a drilling and bolting slide.
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Tucker John D. (Cedar Falls IA) Cozad Ronald E. (Waterloo IA) Kaiser Robert A. (Palmer IA), Retractable bit system.
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McLeod Gavin Thomas,AUX, Retractable drill bit system.
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Ramirez-Jauregui, Carlos, Retractable well drilling bit.
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McLeod Galvin Thomas,AUX, Retraction system for a latching mechanism of a tool.
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Henson Randy H. (Plano TX) Baillie Lloyd A. (Plano TX), Retrievable bit and eccentric reamer assembly.
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Skinner Neal G. (Duncan OK), Retrievable bridge plug.
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Milner John E. ; Farley David L., Retrievable bridge plug and retrieving tool.
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Mark S. Crawford ; Phillip S. Sizer ; Kerry D. Jermigan, Retrievable well monitor/controller system.
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McLeod Gavin T.,AUX, Retrieval head for a drill bit composed of a plurality of bit segments.
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Wood Steven M. (4904 E. 113th Tulsa OK 74137), Reverse Moineau motor and centrifugal pump assembly for producing fluids from a well.
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Edgar, Mike; Horton, Greg, Reverse cementing float shoe.
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Wireman Alonzo (Sherman TX), Rod changing system.
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Bonnice Phillip E. (Worthington OH), Rotary drill bit and method for making same.
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Vail, III, William Banning, Rotary drill bit compensating for changes in hardness of geological formations.
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Newton Alex ; Deane John ; Caraway Douglas ; Murdock Andrew,GB2 ; Barnes Michael,GB2 ; Lamb Haydn,GB2, Rotary drill bit with hardfaced fluid passages and method of manufacturing.
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Dlask Jiri,CAX ; Rigby Darrall,CAX, Rotatable die holder.
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Blandford David M. (160 Sage Rd. ; Juniper Heights Durango CO 81301) Easter John H. (2418 Greenbriar Abilene TX 79605), Rotatable reciprocating collar for borehole casing.
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Ringgenberg Paul D. (Duncan OK) Newman Daniel A. (Duncan OK) Beck Harold K. (Duncan OK), Round mandrel slip joint.
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Busink Cornelis L. (Breda NLX) van Rijzingen Johannes W. H. (Oosterhout NLX) Mason David B. (Eindhoven NLX), Safety elevator.
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Hudson Leo D. (Bakersfield CA), Sand control adapter.
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Cornette, H. Mitchell, Sand control screen and installation method for wells.
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Corey E. Hoffman ; Richard Lee Giroux ; Mike A. Luke ; Stephen J. Norris, Sand removal and device retrieval tool.
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Norell, Robert G.; Uban, Stephen A., Screen material.
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Choi, Jae Chul; Choi, Choon Yong, Sectional table with gusset.
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Bond Barry ; Bharati Sudeep, Security enhancement for untrusted executable code.
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Gonzalez Manuel E. (Corpus Christi TX) Moody William D. (Corpus Christi TX) Rubbo Richard P. (The Woodlands TX), Selectively releasable and reengagable expansion joint for subterranean well tubing strings.
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Shaw Danial G. (Conroe TX) MacCline Billy (Porter TX), Self-aligning top drive.
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Schultz, Roger L.; Stewart, III, Benjamin B.; Oag, Jamie; Mahjoub, Nadir, Self-contained downhole sensor and method of placing and interrogating same.
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Kling ; Miguel, Self-driving and self-locking device for traversing channels and elongated structures.
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Smith ; Jr. Sidney K. (Conroe TX) Holder Danny J. (Spring TX), Setting tool for a downhole tool.
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Lindsey ; Jr. Hiram E. (Midland TX), Setting tools and liner hanger assembly.
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David J. Schutte ; Ronald L. Warnock ; Terry A. Brewer, Shaft centering tool for nuclear reactor coolant pump motor.
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Dailey Patrick E. (Lomita CA) Barron Charles D. (Kingwood TX) Rorden Louis H. (Los Altos CA), Short hop communication link for downhole MWD system.
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Pringle Ronald E. (12030 White Cap La. Houston TX 77072), Simplified sealing and anchoring device for a well tool.
상세보기
Parant Jean P. (Bizanos FRX), Simultaneous drilling and casing device.
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Hashimoto Tom T. (Conroe TX), Single pass drilling apparatus and method for forming underground arcuate boreholes.
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Mullins Albert Augustus, Single valve for a casing filling and circulating apparatus.
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Giroux,Richard L.; Brunnert,David J.; Galloway,Gregory Guy; Jordan,John C., Single-direction cementing plug.
상세보기
Yuan Yusheng ; Davison Douglas W. ; Berscheidt Kevin T., Slip retaining system for downhole tools.
상세보기
Vail ; III William Banning, Smart shuttles to complete oil and gas wells.
상세보기
Bodine Albert G. (7877 Woodley Ave. Van Nuys CA 91406), Sonic method and apparatus for installing monitor wells for the surveillance and control of earth contamination.
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True Martin E. (2203 Looscan La. Houston TX 77019), Spinner for use in connecting pipe joints.
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Knudson Gary L. (Butte MT), Split bit casing drill.
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Williams Jerry G. ; Sas-Jaworsky Alex, Spoolable composite tubular member with energy conductors.
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Williams Jerry G. ; Sas-Jaworsky Alex, Spoolable composite tubular member with energy conductors.
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Sas-Jaworsky Alex (Houston TX) Williams Jerry G. (Ponca City OK), Spoolable composite tubular member with integrated conductors.
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Beakley Billy (Lake Charles LA), Stabilizer blade.
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Lindsey Hiram E. (Midland TX) Adams Richard W. (Bryan TX), Stage cementing valve.
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Barr John D.,GB2, Steerable rotary drilling systems.
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Farrand Robert M. (Saginaw MI) Milton Thomas J. (Essexville MI) McDow William R. (Saginaw MI), Steering column with selectively adjustable and preset preferred positions.
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Ables Muriel Wayne ; Ables Ronald Eugene, Straight line, pump through entry sub.
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Matus Wayne L. (Gainesville TX), Sub assembly for a swivel.
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Barthelemy Herv (Croissy FRX) Bollinger Karl (Rueil FRX) Brochier Michel (Palaiseau FRX) Gau Maurice (Maurepas FRX) Legendre Yves (Bazoches les Bray FRX), Submarine drilling device.
상세보기
Haynes, Anthony P.; Jones, Colin, Subsea well intervention vessel.
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Scaggs Orville C. (Box 430 Lindsay OK 73052), Subterranean well pipe guiding apparatus.
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Rubbo Richard P. (Bait Al-Na-Ba ; Den of Cults ; Aberdeen AB1 9NN Scotland GBX) Boundin Brett W. (4012 Cartagena Pearland TX 77581) Owens Steven C. (6019 Fernhollow Ct. Katy TX 77449), Surface controlled reservoir analysis and management system.
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Davidson, Kenneth C.; Kerr, John A.; MacKenzie, Roderick; Johnston, Alan J., System and technique for monitoring and managing the deployment of subsea equipment.
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Amory, Marc Emmanuel; Daling, Roelof; Glandt, Carlos Alberto; Worrall, Robert Nicholas, System for enhancing fluid flow in a well.
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McLeod Gavin Thomas (Bullcreek AUX) Egan Matthew Vance (Leeming AUX), System for in situ replacement of cutting means for a ground drill.
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McLeod Gavin Thomas,AUX ; Egan Matthew Vance,AUX, System for in situ replacement of cutting means for a ground drill.
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McLeod Gavin Thomas,AUX ; Egan Matthew Vance,AUX, System for in-situ replacement of cutting means for a ground drill.
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McArthur James R. (Rte. 1 ; Box 50 Tishomingo OK 73460), System for stabbing well casing.
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Clay Robert A. (Great Yarmouth GB2), System to control a motor for the assembly or dis-assembly of two members.
상세보기
Wittrisch Christian (Rueil-Malmaison FRX), System, support for carrying out measurings and/or servicings in a wellbore or in a well in the process of being drilled.
상세보기
Canales Joe M. (P.O. Box 6 Benavides TX 78341), Technique for making up threaded pipe joints into a pipeline.
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Delano ; Charles George, Technique for running casing.
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Denison ; Early B. ; Dickson ; Leon L. ; Marsh ; Gary L., Telemetering drill string with piped electrical conductor.
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Cunningham Robert A. (Bellaire TX), Telemetry drill pipe with pressure sensitive contacts.
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Dickel Udo (Hamm DEX) Palm Helmut (Dortmund DEX) Hinz Clemens (Marl-Sinsen DEX), Telemetry method for cable-drilled boreholes and method for carrying it out.
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Sensenig, Floyd R., Telescopic drilling method.
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Coone Malcolm (Katy TX) Kelley Thomas L. (Houston TX), Telescoping casing joint for landing a casting string in a well bore.
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Bingham Allen H. (Lithonia GA), Telescoping tool and coupling means therefor.
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Eshghy Siavash (Pittsburgh PA), Tension control of fasteners.
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White Gerald W. (5835 Elm Lawn St. Dallas TX 75223), Thin film treated drilling bit cones.
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Stoltz Daniel S. ; Nims David G., Through-tubing rotary drilling.
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Allen, John Timothy; Box, Steven Anthony; Pietras, Bernd; Habetz, Jeffrey Michael, Tong for wellbore operations.
상세보기
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Helms Charles M. (1202 Castlewood Friendswood TX 77546) Bleifeld Charles W. (2315 Heritage Pearland TX 77581), Top entry sub arrangement.
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Mueller Mark D. (Santa Maria CA) Jones Frank L. (Balikpapan CA IDX) Quintana Julio M. (Bakersfield CA) Ruddy Kenneth E. (Houston TX) Mims Michael G. (Bakersfield CA), Well casing flotation device and method.
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Davis Carl A. (P.O. Box 12326 Houston TX 77017), Well collar or shoe and cementing/drilling process.
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White Kenneth M.,CAX ITX T2V 3P8 ; Mitchell Stephen Bruce,CAX ITX T2P 387, Well completion device and method of cementing.
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Albright Stephen L. ; Spreij Leendert,NLX ; Bearb Jean D. ; Leicht Frederick M. ; Hayes Michael W. ; Birdwell John C., Wellbore tubular compensator system.
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Ferguson Bobby L. (Friendswood TX), Wellhead connector.
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Lindsey ; Jr. Hiram E. (Midland TX) Dockins ; Jr. Ray R. (Bryan TX), Wiper plug cementing system and method of use thereof.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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