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Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • E21B-007/128
  • E21B-007/12
출원번호 US-0807091 (2004-03-23)
등록번호 US-7448454 (2008-11-11)
발명자 / 주소
  • Bourgoyne,Darryl A.
  • Hannegan,Don M.
출원인 / 주소
  • Weatherford/Lamb, Inc.
대리인 / 주소
    Strasburger & Price, LLP
인용정보 피인용 횟수 : 36  인용 특허 : 188

초록

A floating rig or structure for drilling in the floor of an ocean using a rotatable tubular includes a seal housing having a rotatable seal connected above a portion of a marine riser fixed to the floor of the ocean. The seal rotating with the rotating tubular allows the riser and seal housing to ma

대표청구항

We claim: 1. A system adapted for use with a rotatable tubular and a drilling fluid, comprising: a marine riser; a housing disposed above a portion of the marine riser having a first housing opening and a second housing opening, both to communicate the drilling fluid received from the marine riser;

이 특허에 인용된 특허 (188)

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이 특허를 인용한 특허 (36)

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