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Rotating blowout preventer and method

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E21B-033/06
  • E21B-033/08
출원번호 US-0513436 (1995-08-10)
발명자 / 주소
  • Brugman James D. (Spring TX) Tasson Paul L. (Missouri City TX)
출원인 / 주소
  • Varco Shaffer, Inc. (Houston TX 02)
인용정보 피인용 횟수 : 85  인용 특허 : 0

초록

The rotatable blowout preventer 10 comprises a stationary outer housing 12 and a rotatable inner housing 38 having a curved surface 42 thereon defining a portion of a sphere. An annular packer assembly 46 includes spherical packer elements for sliding engagement with the curved surface of the inner

대표청구항

A rotatable blowout preventer for use in a hydrocarbon recovery operation including a tubular member passing through the blowout preventer, the rotatable blowout preventer assembly comprising: a stationary outer housing defining a bore therein for receiving the tubular member, the outer housing have

이 특허를 인용한 특허 (85)

  1. Nas, Stephanus Wilhelmus Maria; Anderson, Jr., Waybourn “Bo” J.; Gray, Kevin L.; Bailey, Thomas F., Acoustically controlled subsea latching and sealing system and method for an oilfield device.
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  10. Springett, Frank Benjamin; Johnson, Christopher Dale; Peters, Shern Eugene; Ensley, Eric Trevor, Blowout preventer blade assembly and method of using same.
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  72. Hannegan, Don M.; Bailey, Thomas F.; Harrall, Simon J., System and method for managing heave pressure from a floating rig.
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  81. Hannegan, Don M., Universal marine diverter converter.
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