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특허 상세정보

System and method for sealing a wellbore

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E21B-033/06   
미국특허분류(USC) 166/085.4; 166/084.4; 251/001.1
출원번호 US-0838701 (2010-07-19)
등록번호 US-8544538 (2013-10-01)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    JL Salazar Law Firm
인용정보 피인용 횟수 : 4  인용 특허 : 206

Systems and methods for sealing a wellbore are provided. The system is for sealing a wellbore having a pipe therein for the passage of fluid therethrough. The system is provided with a BOP positionable about the pipe and at least one seal assembly positionable about the BOP. Each of the seal assemblies comprises a plurality of blocks positionable within the BOP, at least one actuator for selectively moving the blocks to a contact position surrounding the pipe and a plurality of pipe seals for creating a seal about the pipe. The seals are carried by the p...


1. A seal assembly for sealing a wellbore, the wellbore having a pipe therein for the passage of fluid therethrough and a blowout preventer (BOP) receiving the pipe therethrough, the seal assembly comprising: a plurality of blocks positionable within the BOP;at least one actuator for selectively moving the plurality of blocks to a contact position surrounding the pipe of the wellbore; anda plurality of pipe seals for creating a seal about the pipe of the wellbore, the plurality of pipe seals carried by the plurality of blocks, at least one of the plurali...

이 특허에 인용된 특허 (206)

  1. Kamimura Toshio (Gifu JPX). Actuator with a lock mechanism. USP1991115063828.
  2. Smith Denzil B. (Houston TX) Whitby Melvyn F. (Houston TX). Actuator with automatic lock. USP1991065025708.
  3. Van Winkle Denzal Wayne. Actuator with free-floating piston for a blowout preventer and the like. USP1999126006647.
  4. Just Friedrich E. (Houston TX) Williams ; III Bolie C. (Houston TX). Annular blowout preventer. USP1985044508311.
  5. Van Winkle D. Wayne (Houston TX). Annular packer and insert. USP1994115361832.
  6. Seneviratne Padmasiri Daya. Apparatus and method for rapid replacement of upper blowout preventers. USP2001086276450.
  7. Brown,Gareth Edward George; McKay,Frederick Duguld; Black,Colin Alexander. Apparatus and method for sealing a wellbore. USP2009037510002.
  8. Adnyana Dewa N. (Stamford CT) Rogen Neil E. (Westport CT). Apparatus for sealing a well blowout. USP1989064840346.
  9. Araujo, Raul. BOP assembly with metal inserts. USP2005026857634.
  10. Le Tri C. (Sugar Land TX). BOP seal with improved metal inserts. USP1991045011110.
  11. Brugman James D. ; Levett Bryce A.. BOP with improved door connectors. USP1999045897094.
  12. Levett Bryce A. ; Nicholson Mike C.. BOP with partially equalized ram shafts. USP1998045735502.
  13. Van Winkle Denzal Wayne ; McWhorter David. Bi-directional sealing ram. USP2000126164619.
  14. Schartinger Edward J. (Peterborough CAX). Blade for cutting cylindrical structures. USP1993085237899.
  15. Araujo Raul. Blade seal for a shearing blind ram in a ram type blowout preventer. USP2000126158505.
  16. Haley Thomas D. (Cypress TX). Blowout preventer. USP1996055515916.
  17. Miller Charles J. (Menlo Park CA). Blowout preventer. USP1985074526339.
  18. Nance James G. (Spring TX). Blowout preventer. USP1991055013005.
  19. Rosenhauch Irwin (Rockwell TX) Ellis Gary D. (Richardson TX). Blowout preventer. USP1983024372527.
  20. Troxell ; Jr. John N. (Houston TX). Blowout preventer. USP1981034253638.
  21. Van Winkle Denzal W. (Houston TX). Blowout preventer. USP1990074943031.
  22. Van Winkle Denzal W. (P. O. Box 79737 Houston TX 77079). Blowout preventer. USP1983114416441.
  23. Jones Marvin R. (Houston TX). Blowout preventer and improved ram packer structure. USP1981054265424.
  24. Le,Tri Canh. Blowout preventer and locking mechanism. USP2007037195224.
  25. Springett,Frank Benjamin; Ensley,Eric T.; Brugman,James D.. Blowout preventer and movable bonnet support. USP2006057051990.
  26. Springett,Frank Benjamin; Bennett,Dean Allen. Blowout preventer and movable ram block support. USP2006057051989.
  27. Gaydos, Stephen Thomas. Blowout preventer and ram actuator. USP2005116969042.
  28. Van Winkle D. Wayne (Houston TX). Blowout preventer for coiled tubing. USP1997015590867.
  29. Nelson Norman A. (Houston TX). Blowout preventer having a variable ram seal. USP1982064332367.
  30. Robert Eddie L. (9722 Galston Spring TX 77373). Blowout preventer locking apparatus and method. USP1976033941141.
  31. Le Tri C. (Fort Bend County TX). Blowout preventer opening mechanism. USP1993045199683.
  32. Johnson Chris Dale. Blowout preventer ram actuating mechanism. USP2001066244560.
  33. Whitby Melvyn F.. Blowout preventer ram automatic locking system. USP1999075918851.
  34. Olson ; Richard A.. Blowout preventer ram lock. USP1978024076208.
  35. Olson Richard A. (Houston TX). Blowout preventer ram lock. USP1981094290577.
  36. Ellison C. Mack (Houston TX). Blowout preventer ram lock and locking method. USP1977104052995.
  37. Springett,Frank Benjamin. Blowout preventer with breech assembly. USP2008027331562.
  38. Whitby Melvyn F. (Houston TX) Sklenka Frank L. (Kingwood TX) O\Donnell David L. (Houston TX). Blowout preventer with ram wedge locks. USP1996115575452.
  39. Womble Lee M. (3403 Saratoga Dr. Houston TX 77088). Blowout preventer with tubing shear rams. USP1994115360061.
  40. Van Winkle Denzal W. (P.O. Box 79727 Houston TX 77279). Blowout preventer, shear ram, shear blade and seal therefor. USP1987034646825.
  41. Springett, Frank Benjamin; Brugman, James Dennis. Blowout preventers and methods of use. USP2011118066070.
  42. Springett,Frank Benjamin; Brugman,James D.. Blowout preventers and methods of use. USP2008057367396.
  43. McClanahan, Perry Lee. Body to bonnet seal on a blowout preventer. USP2011067967299.
  44. Van Winkle Denzal W. (P.O. Box 79727 Houston TX 77279). Bonded mechanically inner connected seal arrangement for a blowout preventer. USP1987094690411.
  45. Le Tri C. (Sugar Land TX). Bop seal with improved metal inserts. USP1991115064164.
  46. Hopper,Hans Paul. Borehole equipment position detection system. USP2007097274989.
  47. Van Winkle,Denzal Wayne. Buckle or clasp. USP2007027181808.
  48. Schlegelmilch,Tye; Rytlewski,Gary; Nixon,Vance. Coiled tubing cutter. USP2006087086467.
  49. Schlegelmilch,Tye; Rytlewski,Gary; Nixon,Vance. Coiled tubing cutter. USP2007067225873.
  50. Holland,William R.. Compact mid-grip fastener. USP2006037011159.
  51. Peil, Archie W.; Foreman, Jr., Arnal B.. Connector for joining blowout preventer members. USP1985124558842.
  52. Bruns Karsten (Anton-Guenther-Str. 23 W-2910 Westerstede DEX). Cut-and-close device for pressure pipes in production and supply installations. USP1993065217073.
  53. Koike Hideharu (Yokohama JPX). D-Latch circuit using CMOS transistors. USP1986024568842.
  54. Jeter John D. (Iowa Park TX). Device for drilling a hole in the side wall of a bore hole. USP1977024007797.
  55. Brugman James D. ; Levett Bryce A.. Door connectors. USP1999115975484.
  56. Vincent, Pierre. Double acting hydraulic cylinder with axial locking device. USP2004086782799.
  57. Kachich Albert J.. Double shearing rams for ram type blowout preventer. USP2001066244336.
  58. McGuire,Bob; Dallas,L. Murray. Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use. USP2007017159652.
  59. Jones Howard W. (Long Beach CA). Dual drill string orienting apparatus and method. USP1976053955622.
  60. Ravensbergen,John Edward; Brunskill,Doug. Dual purpose blow out preventer. USP2008087410003.
  61. Mitchell Morton Lindsay,CAX ITX T0L 1T5 ; Mitchell Bryson James,CAX ITX T0J 2P0 ; Mitchell Blair Orvel,CAX ITX T0M 1T0. Dual string assembly for gas wells. USP1998075775420.
  62. Koleilat, Bashir M.; Cain, David E.; Zheng, Qiu Shi; Hunt, Michael. Energized sealing cartridge for annulus sealing between tubular well components. USP2003016510895.
  63. Schwulst,Kyle E. E.; Pattantyus,Tamas I.. Engine timing control with intake air pressure sensor. USP2007067225793.
  64. Frelau Paul (Monts FRX). Explosive-forming device for the obturation of a pipe by compression. USP1979024140041.
  65. Griffin, Theodore F.; Gaudette, Sean L.; Foster, Anthony P.. Extended range variable bore ram packer for a ram type blowout preventer. USP2005106955357.
  66. Peil Archie W. (Houston TX) Bishop Thomas R. (Houston TX). Fail-safe blowout preventer. USP1989104877217.
  67. Carlson Douglas W. ; Simons Stephen P. ; Breach William D.. Fibrous seal for blowout preventer. USP1998025713581.
  68. Jones Marvin R. (Houston TX). Flow controlling apparatus. USP1985054519577.
  69. Roche Joseph R. (Humble TX) Morrill Charles D. (Humble TX). Flow diverter. USP1985034502534.
  70. Blubaugh, James F.; Dietz, Hans P.; Lark, Wayne W.; McIntyre, David J.; Skinner, Thomas G.; Wiltz, Sean P.. Fluid cylinder with embedded positioning sensor. USP2003016509733.
  71. Miyagishima Tosh (Los Angeles CA) Motoda Calvin (Los Angeles CA). Front packer seal for ram blowout preventer. USP1982044323256.
  72. Dare Roy R. (Houston TX) Merten Jeff L. (Houston TX). Gate valve for shearing workover lines to permit shutting in of a well. USP1980084215749.
  73. Uneyama,Noriaki; Oohara,Hiroyuki. Guillotine cutter and tape affixing apparatus. USP2008107434369.
  74. Molitor, Victor D.. Heat exchanger. USP1985094540045.
  75. Abel,Leo William. High pressure adapter assembly for use on blow out preventers. USP2008127464751.
  76. Boyd,Anthony R.. High torque and high capacity rotatable center core with ram body assemblies. USP2006037011160.
  77. Mazorow, Henry B.; Blair, Paris E.; Sanfelice, Chris. Horizontal directional drilling in wells. USP2005116964303.
  78. Dallas, L. Murray; McGuire, Bob. Hybrid wellhead system and method of use. USP2010057721808.
  79. Alrefai,Mahd H.. Hydraulic cylinder having a snubbing valve. USP2006107121185.
  80. Wachowicz Stanley W. (Edmonton CAX) Downie R. James (Sherwood Park CAX). Hydraulic power system and method. USP1990054923008.
  81. Whitby Melvyn F. (Houston TX) O\Donnell David L. (Houston TX) Le Tri C. (Spring TX). Hydraulically controlled blowout preventer. USP1996045505426.
  82. Jones Marvin R. (Houston TX). Hydraulically operated valves. USP1986044582293.
  83. Isaacks,C. Steven; Hiebeler,Harry P.; Cordova,Noe Tony; Livingston, Jr.,Jimmy G.; Gilleylen,Russell C.; Ghansyam,Haresh. Inner guide seal assembly and method for a ram type BOP system. USP2008127464765.
  84. Bishop Thomas R. (Houston TX) Foreman ; Jr. Arnal B. (Houston TX). Inner seal and support rod assembly for high pressure blowout preventers. USP1984064456215.
  85. Lee ; Jr. Albert H.. Inner seal for ram-type blowout preventer. USP1998115833208.
  86. Wooten Timothy. Insert for variable bore ram blow out preventor. USP200005D425525.
  87. Boyadjieff,George. Instrumented internal blowout preventer valve for measuring drill string drilling parameters. USP2006097108081.
  88. Hartmann Michael P. (Houston TX) Smith Jerry D. (Houston TX). Insulating support for tubing string. USP1990054923006.
  89. Qasim Javed (Diamond Bar CA). Linear retractable seal valve. USP1979074162057.
  90. Burr,Bruce H.. Lip seal for roller cone drill bit. USP2006057036613.
  91. Brugman,James D.; Springett,Frank Benjamin; Bennett,Dean Allen. Lock bars for blowout preventer. USP2006057044430.
  92. Miller Ivan O. (Fullerton CA). Locking mechanism. USP1980024188860.
  93. Schaeper Gary R. (Houston TX) Olson Richard A. (Houston TX). Locking mechanism for annular blowout preventer. USP1984034438900.
  94. Morrill Charles D. (Humble TX). Low profile and lightweight high pressure blowout preventer. USP1997085655745.
  95. Schuetz John L. (Hiawatha KS). Magnetostrictive linear displacement transducer with temperature compensation. USP1992095150049.
  96. Dallas,L. Murray. Metal ring gasket for a threaded union. USP2006107125055.
  97. Ayling, Laurence John. Method and apparatus for adding a tubular to drill string with diverter. USP2010067726418.
  98. Mitsukawa, Kazuhiro; Ikeda, Takao; Yamada, Kunio. Method and apparatus for making holes in pipe. USP2004046718860.
  99. Sundararajan, Alagarsamy. Method and apparatus for replacing BOP with gate valve. USP2003086601650.
  100. Van Winkle Denzal Wayne. Method and apparatus for replacing a packer element. USP1999105961094.
  101. Van Winkle Denzal Wayne. Method and apparatus for replacing a packer element. USP2000016012528.
  102. Van Winkle Denzal Wayne. Method and apparatus for replacing a packer element. USP2000096113061.
  103. Van Winkle, Denzal Wayne. Method and apparatus for verifying the integrity of a joint seal. USP2009047523644.
  104. Wiedemann, Jim. Method of sealing pressure within a blowout preventer and a blowout preventer. USP2005046877712.
  105. Sodder ; Jr. George (51 Maple St. Falls Views WV 25309). Methods and apparatus for shutting a conduit. USP1993045199493.
  106. Springett,Frank Benjamin; Ensley,Eric T.; Bennett,Dean A.; Araujo,Raul. Methods and apparatuses for wellbore operations. USP2008047360603.
  107. Gruensfelder Cynthia Ann ; Wille Robert Henry. Mission adaptive inlet. USP2000076089505.
  108. Marino John J.. Moist tissue dispenser having sealing arms. USP1999045897074.
  109. Shigematsu,Satoshi. Mounting structure for heat exchanger. USP2007077243751.
  110. Hemphill,Edward Ryan; Berckenhoff,Michael Wayne; Carbaugh,William L.. Mounts for blowout preventer bonnets. USP2007077246666.
  111. Wells,Larry; Stubstad,Svein; Ervin,Howard; Brugman,James D.; Conover,Paul. Multi-seal for top drive shaft. USP2009027487848.
  112. Iwabuchi,Toshiaki. Non-rubbing gate valve for semiconductor fabrication apparatus. USP2006097100892.
  113. Gipson, Tommie C.. Oil well tubing injection system and method. USP2003036530432.
  114. Whitby Melvyn F. (Houston TX) O\Donnell David L. (Houston TX). Oilfield tubular shear ram and method for blowout prevention. USP1995035400857.
  115. Combes Marvin G. (Castro Valley CA). One piece seat ring with O-ring seal. USP1980034192483.
  116. McLelland Mark W.. Pilot valve with improved cage. USP1998075778918.
  117. Jones Marvin R. (Houston TX) Helfer Paul E. (Houston TX). Pipe disconnecting apparatus. USP1977114057887.
  118. Springett,Frank Benjamin; Ensley,Eric T.. Pipe gripper and top drive systems. USP2006067055594.
  119. Springett,Frank Benjamin; Ensley,Eric T.; Bennett,Dean A.; Brugman,James D.. Pipe guide. USP2008047350587.
  120. Jones Marvin R. (Houston TX). Pipe shearing ram assembly for blowout preventer. USP1979014132267.
  121. Randall Ross D. (Houston TX). Pipe shearing ram assembly for blowout preventer. USP1979014132266.
  122. Williams ; Jr. Leonard E. (Houston TX). Pipe shearing ram assembly for blowout preventer. USP1979014132265.
  123. Lam, Tony M.. Polish rod clamping device. USP2010037673674.
  124. Koomey Paul C. (5917 Crab Orchard Rd. Houston TX 77057) Savage George M. (342 Westminster Houston TX 77024) Stewart James T. (17923 Fireside Dr. Spring TX 77379). Position and seal wear indicator for valves and blowout preventers. USP1990054922423.
  125. Young Kenneth D. (Kingwood TX) Colvin Kenneth W. (Humble TX) Frederick Joseph L. (Cleveland TX). Position instrumented blowout preventer. USP1995045407172.
  126. Young, Kenneth D.; Colvin, Kenneth W.; Frederick, Joseph L.. Position instrumented blowout preventer. USP1994065320325.
  127. Blubaugh,James F.; Hamasagar,Arun M.; McIntyre,David J.; Skinner,Thomas G.; Wiltz,Sean P.. Position sensing cylinder cap for ease of service and assembly. USP2006047023199.
  128. McWhorter, David J.; McClanahan, Perry Lee. Pressure regulated slip ram on a coil tubing blowout preventer. USP2005016843463.
  129. Van Winkle Denzal W. (411 Yorkchester Houston TX 77079). Quick opening closure arrangement for well completions. USP1980094220206.
  130. Berckenhoff, Michael Wayne; Hemphill, Edward Ryan. Quick release blowout preventer bonnet. USP2003046554247.
  131. Berckenhoff, Michael Wayne; Hemphill, Edward Ryan; Holland, William Rinehart. Quick release blowout preventer bonnet. USP2005016845959.
  132. Judge, Robert Arnold. RAM BOP position sensor. USP2010117832706.
  133. Gass,Dustin Dean. Ram BOP shear device. USP2007067234530.
  134. Judge, Robert Arnold; Gass, Dustin Dean. Ram BOP shear device. USP2010047703739.
  135. Crutchfield Mark K. (Kingwood TX). Ram blowout preventer apparatus. USP1987034647002.
  136. Beam Clark W. (Houston TX) Crutchfield Mark K. (Kingwood TX). Ram blowout preventer securing and retracting apparatus. USP1985034504037.
  137. Watts Gerald D.. Ram bore profile for variable bore packer ram in a ram type blowout preventer. USP2001106296225.
  138. Shaffer, Donald U.. Ram construction for oil well blow out preventer apparatus. USP1985114550895.
  139. Springett, Frank Benjamin; Weir, James William. Ram locking blowout preventer. USP2010097798466.
  140. Morrill Charles D. (Humble TX). Ram type blowout preventer. USP1993105255890.
  141. Young Kenneth D. (Kingwood TX). Ram type blowout preventer having improved ram front packing. USP1992065125620.
  142. Howard ; Jr. Roland M. (Houston TX). Ram type blowout preventers. USP1985064523639.
  143. Olson Richard A.. Ram type blowout preventor. USP2000076089526.
  144. Cobb A. Tom (Seabrook TX). Ram-shear and slip device for well pipe. USP1977084043389.
  145. Brakhage ; Jr. William L. (Houston TX) Taylor William M. (Houston TX). Ram-type blowout preventer. USP1984034437643.
  146. Meynier ; III Maurice J. (Houston TX). Ram-type blowout preventer. USP1976033946806.
  147. Olson Richard A. (Houston TX). Ram-type blowout preventer. USP1997085653418.
  148. Vicic John C. (Houston TX) La Velle Carl A. (Spring TX) Parris ; III Joe P. (Magnolia TX). Ram-type blowout preventer and packer therefor. USP1985054518144.
  149. Mott James D. (Houston TX). Retrievable blow-out preventer ram seals. USP1977024007905.
  150. Almdahl,Per; Edwards,Jeffrey Charles. Riser control device. USP2008067389817.
  151. Troxell ; Jr. John N. (Houston TX). Rod locking device. USP1986074601232.
  152. Williams ; III Bolie C. (Houston TX). Rod locking device. USP1990114969390.
  153. Williams ; III Charles C. (Houston TX). Rod locking device. USP1990114969627.
  154. Yenulis Glenn (Adger AL) Folsom Clint (Birmingham AL). Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms. USP1993015178215.
  155. Brugman James D. (Spring TX) Tasson Paul L. (Missouri City TX). Rotating blowout preventer and method. USP1996125588491.
  156. Brugman James D. (Spring TX) Tasson Paul L. (Missouri City TX). Rotating blowout preventer and method. USP1997095662171.
  157. Kinder,Joseph. Rotating blowout preventer with independent cooling circuits and thrust bearing. USP2006027004444.
  158. Hall Douglas D. ; Helfer Paul E.. Rotating drilling head with spaced apart seals. USP2000016016880.
  159. Hemphill, Edward Ryan. Rotational mounts for blowout preventer bonnets. USP2003016510897.
  160. Van Winkle, Denzal Wayne; Campbell, Andrew. Safety check valve for coiled tubing. USP2004066742597.
  161. Shaw,Michael N. A.; Wallace,Bruce A.. Seal for use with pipe and flange assemblies. USP2007057216872.
  162. Van Winkle Denzal W. (P.O. Box 79727 Houston TX 77279). Self actuating locking and unlocking arrangement and method for reciprocating piston type actuators. USP1987094690033.
  163. Granger Stanley W. (23800 Gold Nugget Diamond Bar CA 91765) Beard Joseph O. (1625 N. Lincoln Ave. Fullerton CA 92631) Sveen Frode (12697 Orgren Ave. Chino CA 91710). Self-adjusting automatic locking piston for RAM blowout preventers. USP1991105056418.
  164. Granger, Stanley W.; Camerano, James J.. Shear ram apparatus. USP1985094540046.
  165. Johnson, Christopher D.; Le, Tri Canh; Tisdale, George W.; Palomo, Jr., Esteban. Shear ram assembly. USP2004046719042.
  166. Jones Marvin R. (Houston TX). Shear ram blowout preventer. USP1982094347898.
  167. Morrill Charles D.. Shear ram for ram-type blowout preventer. USP2001016173770.
  168. Karr ; Jr. Michael A. (Houston TX). Shear type gate valve. USP1986094612983.
  169. Isaacks,C. Steven; Hiebeler,Harry P.; Cordova,Noe Tony; Livingston,Jimmy; Gilleylen,Russell C.. Shear/seal ram assembly for a ram-type blowout prevention system. USP2007077243713.
  170. Baker Gerald S. (Houston TX). Shearing gate valve. USP1990034911410.
  171. Baker Gerald S. (Houston TX) Hoang Loc G. (Houston TX). Shearing gate valve. USP1991034997162.
  172. John Taylor Armstrong GB; Ian Gourlay GB; Peter Kent GB; Chau Hoang. Shearing gate valve. USP2002096454015.
  173. Schaeper,Gary R.. Shearing sealing ram. USP2007047207382.
  174. Troxell, Jr., John N.. Shearing type blowout preventer. USP1985084537250.
  175. Carruthers ; Alec Reginald. Stopping fluid flow in pipes. USP1978104119115.
  176. Donald L. Jones ; David J. McWhorter ; Richard M. Ward. Stripper/packer. USP2002116484808.
  177. Van Winkle D. Wayne (Houston TX) Hurst Bobby G. (Beaumont TX). Stripper/packer. USP1996105566753.
  178. Van Winkle D. Wayne. Stripper/packer and blowout preventer with split bonnet. USP1999015863022.
  179. Brugman James D. ; Elkins Hubert L. ; Merit Mark A.. Subsea hydraulic control system. USP2001026192680.
  180. Fox,Preston; Goode,John; Iankov,Ivan; Martin,David; Michel,Andrew; Yater,Ronald. Subsea intervention system, method and components thereof. USP2007017165619.
  181. Springett, Frank B.. Subsea pressure accumulator systems. USP2009047520129.
  182. Suro, Christian. System for disconnecting coiled tubing. USP2004126834721.
  183. Laky Tibor (Dallas TX). System for handling reeled tubing. USP1991035002130.
  184. Laky Tibor (Dallas TX) Fowler ; Jr. Stewart H. (The Colony TX). System for handling reeled tubing. USP1990054923005.
  185. Wells, Lawrence E.; Fox, Preston; Swiontek, Cliff; Stubstad, Svein; Ervin, Howard L.; Brugman, James D.; Conover, Paul. Top drives with shaft multi-seal. USP2010077748473.
  186. Seneviratne,Padmasiri Daya; Wells,Lawrence; Mason,David B.. Triple valve blow out preventer. USP2007107287544.
  187. Urrutia,Miguel. Unitary blade seal for a shearing blind ram in a ram type blowout preventer. USP2008047354026.
  188. Herve Jean-Luc (Noisy Le Roi FRX). Valve and a process for removing a closure member of the valve. USP1987104699350.
  189. Baugh Benton F. (14626 Oak Bend Houston TX 77079). Valve assembly. USP1985014492359.
  190. Van Winkle Denzal W. (411 Yorkchester Houston TX 77079). Valve structure having movable seat means. USP1983074392633.
  191. Jones Marvin R. (Houston TX). Valves. USP1985044508313.
  192. Williams ; III Bolie C. (Houston TX). Variable bore packer assembly for ram-type blowout preventers. USP1980104229012.
  193. Melancon, Jeffrey T.; McWhorter, David J.. Variable bore ram. USP2005126974135.
  194. Watts Gerald D. ; Griffin Theodore F.. Variable bore ram packer for a ram type blowout preventer. USP1999085944110.
  195. Gerald D. Watts. Variable bore ram packer for tapered tubular members in a ram type blowout preventer. USP2002046367804.
  196. Parks ; Jr. Glenn C. (Shawnee OK). Variable bore ram packing element and blowout preventer. USP1984044444404.
  197. Abbe Robert E. (Houston TX). Variable position ram lock for blowout preventers. USP1981124305565.
  198. Granger Stanley W. (Diamond Bar CA). Variable ram seal for blowout preventers. USP1988094770387.
  199. McWhorter,David; Jones,Donald. Variable size coil tubing gripping elements. USP2007097270190.
  200. Hubert L. Elkins ; Mark A. Merit. Well drilling method and system. USP2002046374925.
  201. McIlvride Garry (Edmonton CAX). Well head shut-off device. USP1987044655284.
  202. Stupak Adam E. (R.D.-1 ; Box 395-G Toledo OR 97391). Well safety valve. USP1985054516598.
  203. Childs Eric G. (Katy TX) Just Friedrich E. (Houston TX). Wellhead shearing apparatus. USP1982024313496.
  204. Cox Fern H. (Houston TX) Rosenhauch Irwin (Rockwall TX). Wellhead shearing apparatus. USP1982074341264.
  205. Williams Michael R. (Houston TX) Long Matthew W. (Houston TX). Wire cutting insert for gate valve. USP1996035501424.
  206. Leggett Henry H. (Longview TX) Gingras Lionel M. (Setia Mansion SGX). Wireline blowout preventer having mechanical and hydraulic sealing. USP1990074938290.