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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
초록

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...

대표
청구항

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)

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  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.