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Blowout preventer ram actuating mechanism

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E21B-033/06
출원번호 US-0540071 (2000-03-31)
발명자 / 주소
  • Johnson Chris Dale
출원인 / 주소
  • Varco Shaffer, Inc.
대리인 / 주소
    Bushman
인용정보 피인용 횟수 : 42  인용 특허 : 7

초록

A ram actuating mechanism 20 for a blowout preventer 10, the ram actuating mechanism 20 including a hydraulic booster for enhancing the ram closing force. The ram actuating mechanism 20 may be compatible for use with primary pistons 25 which include internal moving components, such as self locking p

대표청구항

[ What is claimed is:] [18.]18. A blowout preventer including a pair of ram actuating mechanisms each for controlling the opening and closing of a ram block moveable along a ram axis within a blowout preventer body, the blowout preventer comprising:the blowout preventer body having radially opposing

이 특허에 인용된 특허 (7)

  1. Levett Bryce A. ; Nicholson Mike C., BOP with partially equalized ram shafts.
  2. Van Winkle D. Wayne (Houston TX), Blowout preventer for coiled tubing.
  3. Whitby Melvyn F. (Houston TX) Sklenka Frank L. (Kingwood TX) O\Donnell David L. (Houston TX), Blowout preventer with ram wedge locks.
  4. Brugman James D. ; Levett Bryce A., Door connectors.
  5. Wright John J. (9 Hix Ave. Rye NY 10580), Hydraulic booster device for linear actuator.
  6. Young, Kenneth D.; Colvin, Kenneth W.; Frederick, Joseph L., Position instrumented blowout preventer.
  7. Younes Joseph F., Pressurized cylinder and booster in a low volume pressure circuit.

이 특허를 인용한 특허 (42)

  1. Akhare, Prashant N.; George, Dennis D., BOP booster piston assembly and method.
  2. Whitby, Melvyn F.; Tasson, Paul L.; Williams, Bolie C., Bidirectional sealing blowout preventer.
  3. Milanovich, Philip John, Blowout preventer and flow regulator.
  4. Springett,Frank Benjamin; Bennett,Dean Allen, Blowout preventer and movable ram block support.
  5. Gaydos, Stephen Thomas, Blowout preventer and ram actuator.
  6. Landrith, II, James Ray; Brown, Roger Dale; Buelow, Jonathan Lewis; Liotta, Joseph James; Ensley, Eric Trevor; Johnson, Christopher Dale, Blowout preventer monitor with trigger sensor and method of using same.
  7. Liotta, Joseph James; Ensley, Eric Trevor; Johnson, Christopher Dale, Blowout preventer monitoring system and method of using same.
  8. Liotta, Joseph James; Ensley, Eric Trevor; Johnson, Christopher Dale, Blowout preventer monitoring system and method of using same.
  9. Springett, Frank B.; Simmons, Clayton J.; Brugman, James D., Blowout preventer monitoring system and method of using same.
  10. Weir, James, Blowout preventer with ram socketing.
  11. Springett, Frank Benjamin; Brugman, James D., Blowout preventers and methods of use.
  12. Springett, Frank Benjamin; Brugman, James Dennis, Blowout preventers and methods of use.
  13. Springett, Frank Benjamin; Brugman, James D., Blowout preventers for shearing a wellbore tubular.
  14. Milanovich, Philip John, Combination blowout preventer and recovery device.
  15. Arteaga, Nicolas, Double valve block and actuator assembly including same.
  16. Arteaga, Nicolas, Double valve block and actuator assembly including same.
  17. Arteaga, Nicolas, Double valve block and actuator assembly including same.
  18. Arteaga, Nicolas, Double valve block and actuator assembly including same.
  19. Coppedge, Charles Don; Tseng, Shyang Wen; Fabela, George O., High energy tubular shear.
  20. Huff, Philip A.; Khandoker, Shafiq, Imputing strength gradient in pressure vessels.
  21. Hoogen, Norbert; Lencer, Dieter, Linear path slide.
  22. Brugman,James D.; Springett,Frank Benjamin; Bennett,Dean Allen, Lock bars for blowout preventer.
  23. Castriotta, Sascha Antonio; Franks, Bradford Shane, Method and apparatus for sealing a wellbore.
  24. Ensley, Eric Trevor; Springett, Frank Benjamin; Weir, James William, Method and system for sealing a wellbore.
  25. Ward, Richard Michael; Douty, James Allen; Melancon, Jeffrey Jeffrey; Ware, Douglas Avery, Modular subsea stripper packer and method of using same.
  26. Lawson, John E., Nested cyclinder compact blowout preventer.
  27. Adams, Keith; Comeaux, David Daniel; Holgate, Ben Calvin, Power boost assist closed device for actuators.
  28. Judge, Robert Arnold, RAM BOP position sensor.
  29. Judge, Robert Arnold; Dietz, David; Milne, Eric, Ram BOP position sensor.
  30. Gustafson, Ryan, Rechargeable subsea force generating device and method.
  31. Wordley, Mark; Gustafson, Ryan, Rechargeable system for subsea force generating device and method.
  32. Huff, Philip A.; Khandoker, Shafiq, Reinforcement of irregular pressure vessels.
  33. Rogozinski, Nicolas; Rogers, Henry; Malave, Michael, Releasing a well drop.
  34. Jennings, Charles Edward; Miller, Jr., J. Carter, Shear ram type blowout preventer.
  35. Nellessen, Peter, Subsea actuator with three-pressure control.
  36. Weir, James William; Springett, Frank Benjamin; Ensley, Eric Trevor, System and method for sealing a wellbore.
  37. Springett, Frank Benjamin; Johnson, Christopher Dale; Peters, Shern Eugene; Ensley, Eric Trevor; Brugman, James, System and method for severing a tubular.
  38. Vela, Ilie, Triple pistons cylinder with reduced overall length.
  39. Springett, Frank Benjamin; Johnson, Christopher Dale; Peters, Shern Eugene; Ensley, Eric Trevor, Tubular severing system and method of using same.
  40. Springett, Frank Benjamin; Johnson, Christopher Dale; Peters, Shern Eugene; Ensley, Eric Trevor, Tubular severing system and method of using same.
  41. Melancon, Jeffrey Thomas; Van Winkle, Denzal Wayne; Douty, James Allen, Wellsite equipment replacement system and method for using same.
  42. Van Winkle, Denzal Wayne, Wellsite replacement system and method for using same.
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