KR20130129275A - 유정 보어를 밀봉하기 위한 방법 및 장치 - Google Patents
유정 보어를 밀봉하기 위한 방법 및 장치 Download PDFInfo
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- KR20130129275A KR20130129275A KR1020137023427A KR20137023427A KR20130129275A KR 20130129275 A KR20130129275 A KR 20130129275A KR 1020137023427 A KR1020137023427 A KR 1020137023427A KR 20137023427 A KR20137023427 A KR 20137023427A KR 20130129275 A KR20130129275 A KR 20130129275A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
- E21B33/062—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Pipe Accessories (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Sewage (AREA)
Abstract
Description
도 1은 본 발명에 따라 그 내부에 밀봉 조립체를 갖는 BOP를 구비한 연안 유정 현장의 개략도이다.
도 2는 램 블록 상에 밀봉 조립체를 갖는 램 블록을 구비한 도 1의 BOP의 개략도이다.
도 3a 및 3b는 리트랙트되고 밀봉된 위치에서 램 블록 상에 밀봉 조립체를 갖는 램 블록을 각각 나타낸 개략도이다.
도 4a-4c는 밀봉 조립체의 인서트를 다양하게 나타낸 개략도이다.
도 5a 및 5b는 갭 및 감소 갭을 갖는 밀봉 조립체의 일부를 각각 나타낸 개략도이다.
도 6a-6d는 본 발명에 따른 복수의 인서트를 갖는 밀봉 조립체의 여러 부분을 다양하게 나타낸 개략도이다.
도 7a-7d는 도 6a의 인서트 중 하나를 다양하게 나타낸 개략도이다.
도 7e-7f는 도 7a의 복수의 인서트를 갖는 밀봉 조립체의 일부를 다양하게 나타낸 개략도이다.
도 8a-8c는 대체 인서트의 개략도이다.
도 9a-9c는 또 다른 대체 인서트의 개략도이다.
도 10a-10c는 도 9a의 복수의 인서트를 갖는 밀봉 조립체의 일부를 다양하게 나타낸 개략도이다.
Claims (29)
- 블로우아웃 방지기의 밀봉 조립체의 밀봉부를 지지하기 위한 인서트이며,
상기 밀봉 조립체는 파이프와 밀봉 결합하게 위치될 수 있고,
그 사이에 리브를 갖는 상부 바디와 하부 바디로서, 상기 상부 바디 및 하부 바디의 각각은 그의 밀봉 단부 상의 연장 팁 및 그의 리딩면 상의 팁 리셉터클을 구비한, 상부 바디와 하부 바디를 포함하고,
상기 인서트의 상부 바디 및 하부 바디의 연장 팁은 다른 인서트의 팁 리셉터클에 수용될 수 있어서 이들 사이에서 상기 밀봉부의 압출이 억제되는
인서트. - 제1항에 있어서, 상기 상부 바디 및 하부 바디는 연장 팁에 인접한 복수의 스캘럽을 각각 갖는 인서트.
- 제1항에 있어서, 상기 상부 바디 및 하부 바디는 적어도 하나의 레지 및 상기 적어도 하나의 레지를 수용하기 위한 적어도 하나의 리세스를 각각 갖는 인서트.
- 제3항에 있어서, 상기 상부 바디 및 하부 바디는 복수의 레지 및 복수의 리세스를 각각 갖는 인서트.
- 제4항에 있어서, 상기 상부 바디 및 하부 바디는 두개의 레지 및 두개의 리세스를 각각 갖는 인서트.
- 제4항에 있어서, 상기 상부 바디 및 하부 바디는 세 개의 레지 및 세 개의 리세스를 각각 갖는 인서트.
- 제3항에 있어서, 상기 적어도 하나의 레지는 역전 레지를 포함하고 상기 적어도 하나의 리세스는 역전 리세스를 포함하는 인서트.
- 제3항에 있어서, 상기 적어도 하나의 레지는 수직 레지를 포함하고 상기 적어도 하나의 리세스는 수직 리세스를 포함하는 인서트.
- 제3항에 있어서, 상기 적어도 하나의 레지는 압출 방지 레지를 포함하고 상기 적어도 하나의 리세스는 압출 방지 리세스를 포함하는 인서트.
- 제1항에 있어서, 상기 연장 팁은 0.76-1.27mm 사이의 반경을 갖는 인서트.
- 제1항에 있어서, 상기 상부 바디는 밀봉 단부로부터 이격된 이차 팁을 더 포함하는 인서트.
- 유정 현장의 파이프에 대하여 위치될 수 있는 한 쌍의 대향하는 램 블록을 포함하는 블로우아웃 방지기의 밀봉 조립체이며,
상기 한 쌍의 대향하는 램 블록에 의해 지지되는 한 쌍의 밀봉부; 및
상기 한 쌍의 밀봉부에 의해 지지되고 타원형 어레이로 상기 파이프에 대하여 위치될 수 있는 복수의 인서트로서, 상기 복수의 인서트의 각각은 그 사이에 리브를 갖는 상부 바디와 하부 바디를 구비하고, 상기 상부 바디 및 하부 바디의 각각은 그의 밀봉 단부 상의 연장 팁 및 그의 리딩면 상의 팁 리셉터클을 구비한, 복수의 인서트를 포함하고,
상기 복수의 인서트의 각각의 상부 바디 및 하부 바디의 연장 팁은 상기 복수의 인서트 중 인접한 하나의 팁 리셉터클에 수용될 수 있어서 상기 복수의 인서트 사이에서 상기 한 쌍의 밀봉부의 압출이 억제되는
밀봉 조립체. - 제12항에 있어서, 상기 복수의 인서트의 타원형 어레이는 상기 파이프를 수용하기 위한 내경을 형성하는 밀봉 조립체.
- 제13항에 있어서, 상기 내경은 가변적인 밀봉 조립체.
- 제12항에 있어서, 상기 복수의 인서트는 서로 슬라이딩 결합하는 밀봉 조립체.
- 제12항에 있어서, 상기 복수의 인서트의 각각은 이들 간에 슬라이딩 결합을 위하여 부합하는 레지 및 리세스를 갖는 밀봉 조립체.
- 제12항에 있어서, 상기 복수의 인서트는 함께 연동되는 밀봉 조립체.
- 제12항에 있어서, 상기 복수의 인서트는 수축 위치와 확장 위치 사이에서 홍채 패턴으로 이동가능한 밀봉 조립체.
- 제12항에 있어서, 상기 복수의 인서트는 파이프와의 접촉을 위하여 타원형 어레이의 내주를 따라 접촉면을 형성하는 밀봉 조립체.
- 제19항에 있어서, 상기 복수의 인서트는 파이프와 밀봉 결합하게 위치되는 경우, 상기 복수의 인서트와 파이프 사이에 압출 갭이 형성되는 밀봉 조립체.
- 제19항에 있어서, 상기 복수의 인서트의 각각이 연장 팁에 대해 적어도 하나의 스캘럽을 구비하여, 상기 복수의 인서트의 각각이 파이프에 대하여 타원형 어레이로 배치되는 경우에 상기 복수의 인서트의 연장 팁의 적어도 하나의 스캘럽은 상기 파이프를 수용하게 결합하기 위한 내면을 형성하는 밀봉 조립체.
- 제19항에 있어서, 상기 복수의 인서트의 각각이 연장 팁에 대해 복수의 스캘럽을 구비하여, 상기 복수의 인서트의 각각이 주어진 직경의 파이프에 대하여 타원형 어레이로 배치되는 경우에 상기 복수의 인서트의 연장 팁의 복수의 스캘럽은 상기 파이프를 수용하게 결합하기 위한 내면을 조정가능하게 형성하는 밀봉 조립체.
- 유정 현장의 파이프를 밀봉하기 위한 블로우아웃 방지기이며,
하우징;
유정 현장의 파이프에 대해 위치될 수 있는 한 쌍의 대향하는 램 블록; 및
밀봉 조립체를 포함하고,
상기 밀봉 조립체는,
상기 한 쌍의 대향하는 램 블록에 의해 지지되고 상기 파이프에 대하여 밀봉 결합하게 위치될 수 있는 한 쌍의 밀봉부; 및
상기 한 쌍의 밀봉부에 의해 지지되고 타원형 어레이로 상기 파이프에 대하여 위치될 수 있는 복수의 인서트로서, 상기 복수의 인서트의 각각은 그 사이에 리브를 갖는 상부 바디와 하부 바디를 구비하고, 상기 상부 바디 및 하부 바디의 각각은 그의 밀봉 단부 상의 연장 팁 및 그의 리딩면 상의 팁 리셉터클을 구비한, 복수의 인서트를 포함하고,
상기 복수의 인서트의 각각의 상부 바디 및 하부 바디의 연장 팁은 상기 복수의 인서트 중 인접한 하나의 팁 리셉터클에 수용될 수 있어서 상기 복수의 인서트 사이에서 상기 한 쌍의 밀봉부의 압출이 억제되는
블로우아웃 방지기. - 제23항에 있어서, 상기 밀봉 조립체는 파이프로부터 이격된 밀봉되지 않은 위치와 상기 파이프와 결합하게 밀봉된 위치 사이에서 상기 램 블록에 의해 이동가능한 블로우아웃 방지기.
- 제20항에 있어서, 상기 밀봉된 위치에서, 상기 밀봉 조립체는 파이프를 둘러싸는 블로우아웃 방지기.
- 유정 현장의 파이프를 밀봉하는 방법이며,
하우징, 상기 파이프에 대해 위치될 수 있는 한 쌍의 대향하는 램 블록, 및 밀봉 조립체를 포함하는 블로우아웃 방지기를 제공하는 단계로서, 상기 밀봉 조립체는,
상기 한 쌍의 대향하는 램 블록에 의해 지지되는 한 쌍의 밀봉부; 및
상기 한 쌍의 밀봉부에 의해 지지되는 복수의 인서트로서, 상기 복수의 인서트의 각각은 그 사이에 리브를 갖는 상부 바디와 하부 바디를 구비하고, 상기 상부 바디 및 하부 바디의 각각은 그의 밀봉 단부 상의 연장 팁 및 그의 리딩면 상의 팁 리셉터클을 구비한, 복수의 인서트를 포함하는, 블로우아웃 방지기를 제공하는 단계;
상기 파이프를 향해 상기 대향하는 램 블록을 전진시킴으로써 상기 파이프에 대하여 타원형 어레이로 상기 밀봉 조립체의 복수의 인서트를 위치시키는 단계; 및
상기 복수의 인서트의 각각의 상부 바디 및 하부 바디의 연장 팁을 상기 복수의 인서트 중 인접한 하나의 팁 리셉터클에 수용함으로써 상기 복수의 인서트 사이에서 상기 한 쌍의 밀봉부의 압출을 억제하는 단계
를 포함하는 유정 현장의 파이프를 밀봉하는 방법. - 제28항에 있어서, 상기 파이프에 대하여 리트랙트된 위치와 연장된 위치 사이에서 상기 복수의 인서트를 이동시키는 단계를 더 포함하는 유정 현장의 파이프를 밀봉하는 방법.
- 제28항에 있어서, 상기 복수의 인서트를 이들 간에 밀봉 결합하기 위하여 연동시키는 단계를 더 포함하는 유정 현장의 파이프를 밀봉하는 방법.
- 제28항에 있어서, 다양한 직경의 파이프를 조정가능하게 수용하는 단계를 더 포함하는 유정 현장의 파이프를 밀봉하는 방법.
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US201161450965P | 2011-03-09 | 2011-03-09 | |
US61/450,965 | 2011-03-09 | ||
PCT/US2012/025767 WO2012121866A2 (en) | 2011-03-09 | 2012-02-19 | Method and apparatus for sealing a wellbore |
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KR1020157020764A Withdrawn KR20150092371A (ko) | 2011-03-09 | 2012-02-19 | 유정 보어를 밀봉하기 위한 방법 및 장치 |
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US (1) | US8978751B2 (ko) |
EP (1) | EP2683912B1 (ko) |
KR (2) | KR101697397B1 (ko) |
CN (1) | CN103502565B (ko) |
BR (1) | BR112013022928B1 (ko) |
CA (1) | CA2828956C (ko) |
NO (1) | NO2683912T3 (ko) |
SG (1) | SG193346A1 (ko) |
WO (1) | WO2012121866A2 (ko) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9045961B2 (en) | 2011-01-31 | 2015-06-02 | National Oilwell Varco, L.P. | Blowout preventer seal and method of using same |
GB2493180A (en) * | 2011-07-27 | 2013-01-30 | Expro North Sea Ltd | Valve housing arrangement |
CN104271871B (zh) | 2012-04-10 | 2017-03-08 | 国民油井华高公司 | 一种防喷器、防喷密封组件及其使用方法 |
CN104131798A (zh) * | 2014-08-27 | 2014-11-05 | 上海神开石油化工装备股份有限公司 | 一种用于防喷器的大范围变径闸板 |
US9580988B2 (en) * | 2014-12-09 | 2017-02-28 | Hydril USA Distribution LLC | Variable ram packer with strain reduction features |
US9441443B2 (en) * | 2015-01-27 | 2016-09-13 | National Oilwell Varco, L.P. | Compound blowout preventer seal and method of using same |
WO2016130979A1 (en) | 2015-02-13 | 2016-08-18 | National Oilwell Varco, L.P. | A detection system for a wellsite and method of using same |
CA2981934C (en) | 2015-05-29 | 2019-08-20 | Halliburton Energy Services, Inc. | Packing element back-up system incorporating iris mechanism |
EP3334896B1 (en) | 2015-08-14 | 2023-12-06 | National Oilwell Varco, L.P. | Blowout preventer packing assembly |
US9732577B2 (en) * | 2015-09-08 | 2017-08-15 | Axon Pressure Products, Inc. | Blowout preventer with hinged bonnet |
US10161212B2 (en) * | 2015-11-24 | 2018-12-25 | Cameron International Corporation | Packer assembly with multiple different inserts for blowout preventer |
US11156054B2 (en) | 2016-03-30 | 2021-10-26 | Electrical Subsea & Drilling As | Annular blowout preventer |
NO343132B1 (en) * | 2016-03-30 | 2018-11-19 | Electrical Subsea and Drilling AS | Packer actuation system for a blowout preventer and blowout preventer |
NO343133B1 (en) * | 2016-03-30 | 2018-11-19 | Electrical Subsea & Drilling As | Annular blowout preventer |
US10233715B2 (en) | 2016-07-25 | 2019-03-19 | Cameron International Corporation | Packer assembly with multi-material inserts for blowout preventer |
GB2559109B (en) * | 2016-11-09 | 2021-05-05 | Peak Well Systems Pty Ltd | Expanding and collapsing apparatus and methods of use |
US10590728B2 (en) | 2017-05-19 | 2020-03-17 | Cameron International Corporation | Annular blowout preventer packer assembly |
GB201710367D0 (en) * | 2017-06-28 | 2017-08-09 | Peak Well Systems Pty Ltd | Seal apparatus and methods of use |
US10900347B2 (en) | 2018-03-01 | 2021-01-26 | Cameron International Corporation | BOP elastomer health monitoring |
EP3803036A4 (en) * | 2018-05-31 | 2022-01-26 | National Oilwell Varco, L.P. | Blowout preventer apparatus and method |
US11459844B2 (en) * | 2019-08-27 | 2022-10-04 | Hydril USA Distribution LLC | Blowout preventer system and method |
WO2022031509A1 (en) * | 2020-08-04 | 2022-02-10 | Texas Institute Of Science, Inc. | Variable bore ram packer and ram-type blowout preventer using same |
US11603731B2 (en) * | 2020-09-17 | 2023-03-14 | Baker Hughes Oilfield Operations Llc | Inserts for variable bore rams |
CN114893143B (zh) * | 2022-07-14 | 2022-09-09 | 威海海洋职业学院 | 一种海洋油井井口装置 |
WO2024030812A1 (en) * | 2022-08-05 | 2024-02-08 | Schlumberger Technology Corporation | Rotating control device with sealing insert |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444404A (en) * | 1982-10-19 | 1984-04-24 | Hydril Company | Variable bore ram packing element and blowout preventer |
US4458876A (en) * | 1982-09-16 | 1984-07-10 | Ventre Corporation | Annular blowout preventer |
US7611120B2 (en) * | 2006-06-03 | 2009-11-03 | Elmar Services Limited | Method and apparatus |
Family Cites Families (274)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2035925A (en) | 1933-05-24 | 1936-03-31 | Seamark Lewis Mervyn Cecil | Casing head equipment |
US2193110A (en) | 1935-09-07 | 1940-03-12 | Kirby T Penick | Blowout preventer |
US2178698A (en) | 1936-05-04 | 1939-11-07 | Arthur J Penick | Tubing head |
US2194256A (en) | 1937-05-07 | 1940-03-19 | Cameron Iron Works Inc | Multiple seal blowout preventer |
US2231613A (en) | 1940-04-03 | 1941-02-11 | Paul Stock | Blowout preventer and control head |
US2304793A (en) | 1941-06-09 | 1942-12-15 | Calpat Corp | Method of and apparatus for cutting pipe |
US2609836A (en) | 1946-08-16 | 1952-09-09 | Hydril Corp | Control head and blow-out preventer |
US2592197A (en) | 1947-10-27 | 1952-04-08 | Jr Frank J Schweitzer | Side-plug hydraulic cellar gate |
US2749078A (en) | 1951-06-26 | 1956-06-05 | Guiberson Corp | Well blowout preventer |
US2752119A (en) | 1952-03-24 | 1956-06-26 | Cameron Iron Works Inc | Blowout preventer |
US3028917A (en) | 1955-08-04 | 1962-04-10 | Mcevoy Co | Well completion apparatus |
US3001803A (en) | 1956-05-07 | 1961-09-26 | Gray Tool Co | Wellhead |
US3040611A (en) | 1956-11-15 | 1962-06-26 | Duralumin | Guillotine shears |
US3242826A (en) | 1963-10-11 | 1966-03-29 | Shaffer Tool Works | Locking device for a fluid operated rod |
US3272222A (en) | 1963-10-28 | 1966-09-13 | Cameron Iron Works Inc | Blowout preventer |
US3282222A (en) | 1964-10-13 | 1966-11-01 | Itt | Rotating vane machines |
US3434729A (en) | 1965-10-21 | 1969-03-25 | Shaffer Tool Works | Ram assembly |
US3399728A (en) | 1966-12-01 | 1968-09-03 | Allan R. Taylor | Conduit closure apparatus |
US3554480A (en) | 1968-01-16 | 1971-01-12 | Cameron Iron Works Inc | Blowout preventer |
US3572628A (en) | 1968-10-04 | 1971-03-30 | Cameron Iron Works Inc | Blowout preventer |
US3554278A (en) | 1969-07-31 | 1971-01-12 | Exxon Production Research Co | Pipe alignment apparatus |
US3561526A (en) | 1969-09-03 | 1971-02-09 | Cameron Iron Works Inc | Pipe shearing ram assembly for blowout preventer |
US3771601A (en) | 1970-07-16 | 1973-11-13 | H Garrett | Well bore blocking method |
US3647174A (en) | 1970-09-25 | 1972-03-07 | Hydril Co | Blowout preventer |
US3670761A (en) | 1970-10-13 | 1972-06-20 | Hydril Co | Blowout preventer with resistance means between the body and the piston |
US3744749A (en) | 1971-05-18 | 1973-07-10 | Hydril Co | Blowout preventer with ram support and guide means |
US3716068A (en) | 1971-06-11 | 1973-02-13 | F Addison | Surface controlled blowout arrester |
US3741296A (en) | 1971-06-14 | 1973-06-26 | Hydril Co | Replacement of sub sea blow out preventer packing units |
US3791616A (en) | 1971-09-08 | 1974-02-12 | Hydril Co | Non-rotating ram rod locking assembly for blowout preventer |
US3871613A (en) | 1971-09-08 | 1975-03-18 | Robert K Lerouax | Non-rotating ram rod locking assembly for blowout preventer |
GB1352258A (en) | 1971-09-29 | 1974-05-08 | Hydril Co | Blowout preventer |
GB1352260A (en) | 1971-09-29 | 1974-05-08 | Hydril Co | Blowout preventers |
US3766979A (en) | 1972-04-20 | 1973-10-23 | J Petrick | Well casing cutter and sealer |
US3897071A (en) | 1972-04-27 | 1975-07-29 | Hydril Co | Annular blowout preventer with variable inside diameter |
US3946806A (en) | 1972-06-16 | 1976-03-30 | Cameron Iron Works, Inc. | Ram-type blowout preventer |
US3897038A (en) | 1973-01-22 | 1975-07-29 | Hydril Co | Blowout preventer with variable inside diameter |
US3915426A (en) | 1973-01-26 | 1975-10-28 | Hydril Co | Blowout preventer with variable inside diameter |
US3915424A (en) | 1973-01-26 | 1975-10-28 | Hydril Co | Blowout preventer with variable inside diameter |
US4007905A (en) | 1973-01-29 | 1977-02-15 | Hydril Company | Retrievable blow-out preventer ram seals |
US3863667A (en) | 1973-03-21 | 1975-02-04 | Pipe Line Development Co | Combined shear head and housing plug |
US3918478A (en) | 1974-02-11 | 1975-11-11 | Hydril Co | Blowout preventer with locking means |
US3941141A (en) | 1974-05-03 | 1976-03-02 | Robert Eddie L | Blowout preventer locking apparatus and method |
US4057887A (en) | 1974-05-06 | 1977-11-15 | Cameron Iron Works, Inc. | Pipe disconnecting apparatus |
US4007797A (en) | 1974-06-04 | 1977-02-15 | Texas Dynamatics, Inc. | Device for drilling a hole in the side wall of a bore hole |
US3917293A (en) | 1974-06-26 | 1975-11-04 | Hydril Co | Controlled closing pattern packing unit for blowout preventer |
US3922780A (en) | 1974-11-04 | 1975-12-02 | Cyril Robert Green | Cable spearing and cutting apparatus |
US3955622A (en) | 1975-06-09 | 1976-05-11 | Regan Offshore International, Inc. | Dual drill string orienting apparatus and method |
US4071935A (en) | 1975-08-07 | 1978-02-07 | Stainless Equipment Company | Method of making heat exchanger |
US4052995A (en) | 1975-08-19 | 1977-10-11 | Hydril Company | Blowout preventer ram lock and locking method |
GB1516273A (en) | 1976-03-19 | 1978-06-28 | British Gas Corp | Stopping fluid flow in pipes |
US4043389A (en) | 1976-03-29 | 1977-08-23 | Continental Oil Company | Ram-shear and slip device for well pipe |
FR2362332A1 (fr) | 1976-04-29 | 1978-03-17 | Commissariat Energie Atomique | Dispositif pyrotechnique d'obturation d'une canalisation |
US4076208A (en) | 1976-10-04 | 1978-02-28 | Hydril Company | Blowout preventer ram lock |
US4188860A (en) | 1978-01-03 | 1980-02-19 | Shafco Industries, Inc. | Locking mechanism |
US4162057A (en) | 1978-04-05 | 1979-07-24 | Aerojet-General Corporation | Linear retractable seal valve |
US4132266A (en) | 1978-04-06 | 1979-01-02 | Cameron Iron Works, Inc. | Pipe shearing ram assembly for blowout preventer |
US4132267A (en) | 1978-04-06 | 1979-01-02 | Cameron Iron Works, Inc. | Pipe shearing ram assembly for blowout preventer |
US4132265A (en) | 1978-04-06 | 1979-01-02 | Cameron Iron Works, Inc. | Pipe shearing ram assembly for blowout preventer |
US4229012A (en) | 1978-04-28 | 1980-10-21 | Cameron Iron Works, Inc. | Variable bore packer assembly for ram-type blowout preventers |
US4192483A (en) | 1978-12-20 | 1980-03-11 | Grove Valve And Regulator Company | One piece seat ring with O-ring seal |
US4220206A (en) | 1979-01-22 | 1980-09-02 | Winkle Denzal W Van | Quick opening closure arrangement for well completions |
US4265424A (en) | 1979-02-01 | 1981-05-05 | Cameron Iron Works, Inc. | Blowout preventer and improved ram packer structure |
US4215749A (en) | 1979-02-05 | 1980-08-05 | Acf Industries, Incorporated | Gate valve for shearing workover lines to permit shutting in of a well |
US4253638A (en) | 1979-08-02 | 1981-03-03 | Cameron Iron Works, Inc. | Blowout preventer |
US4290577A (en) | 1979-09-24 | 1981-09-22 | Hydril Company | Blowout preventer ram lock |
US4416441A (en) | 1979-10-29 | 1983-11-22 | Winkle Denzal W Van | Blowout preventer |
US4392633A (en) | 1979-10-29 | 1983-07-12 | Winkle Denzal W Van | Valve structure having movable seat means |
US4305565A (en) | 1980-04-07 | 1981-12-15 | Hydril Company | Variable position ram lock for blowout preventers |
US4313496A (en) | 1980-04-22 | 1982-02-02 | Cameron Iron Works, Inc. | Wellhead shearing apparatus |
US4323256A (en) | 1980-04-30 | 1982-04-06 | Hydril Company | Front packer seal for ram blowout preventer |
US4332367A (en) | 1980-05-02 | 1982-06-01 | Nl Industries, Inc. | Blowout preventer having a variable ram seal |
US4372527A (en) | 1980-05-05 | 1983-02-08 | Dresser Industries, Inc. | Blowout preventer |
US4438900A (en) | 1980-06-05 | 1984-03-27 | Nl Industries, Inc. | Locking mechanism for annular blowout preventer |
US4341264A (en) | 1980-10-15 | 1982-07-27 | Cameron Iron Works, Inc. | Wellhead shearing apparatus |
US4347898A (en) | 1980-11-06 | 1982-09-07 | Cameron Iron Works, Inc. | Shear ram blowout preventer |
US4437643A (en) | 1981-06-25 | 1984-03-20 | Cameron Iron Works, Inc. | Ram-type blowout preventer |
US4447037A (en) | 1981-06-25 | 1984-05-08 | Hydril Company | Well blowout preventer, and packing element |
US4582293A (en) | 1982-01-06 | 1986-04-15 | Koomey Blowout Preventers, Inc. | Hydraulically operated valves |
US4456215A (en) | 1982-05-07 | 1984-06-26 | Bowen Tools, Inc. | Inner seal and support rod assembly for high pressure blowout preventers |
US4492359A (en) | 1982-06-25 | 1985-01-08 | Baugh Benton F | Valve assembly |
US4508311A (en) | 1982-11-12 | 1985-04-02 | Cameron Iron Works, Inc. | Annular blowout preventer |
US4519577A (en) | 1982-12-02 | 1985-05-28 | Koomey Blowout Preventers, Inc. | Flow controlling apparatus |
US4508313A (en) | 1982-12-02 | 1985-04-02 | Koomey Blowout Preventers, Inc. | Valves |
US4502534A (en) | 1982-12-13 | 1985-03-05 | Hydril Company | Flow diverter |
JPS59134918A (ja) | 1983-01-24 | 1984-08-02 | Toshiba Corp | ラツチ回路 |
DE3317487A1 (de) | 1983-05-13 | 1984-11-15 | Gabrie, Duje Welter, 5170 Jülich | Zwangsverriegelungssystem fuer kolben von druckmittelzylindern |
US4518144A (en) | 1983-09-01 | 1985-05-21 | Cameron Iron Works, Inc. | Ram-type blowout preventer and packer therefor |
US4558842A (en) | 1983-09-06 | 1985-12-17 | Bowen Tools, Inc. | Connector for joining blowout preventer members |
US4540046A (en) | 1983-09-13 | 1985-09-10 | Nl Industries, Inc. | Shear ram apparatus |
US4647002A (en) | 1983-09-23 | 1987-03-03 | Hydril Company | Ram blowout preventer apparatus |
US4504037A (en) | 1983-09-26 | 1985-03-12 | Hydril Company | Ram blowout preventer securing and retracting apparatus |
US4516598A (en) | 1983-10-24 | 1985-05-14 | Stupak Adam E | Well safety valve |
US4523639A (en) | 1983-11-21 | 1985-06-18 | Koomey Blowout Preventers, Inc. | Ram type blowout preventers |
US4537250A (en) | 1983-12-14 | 1985-08-27 | Cameron Iron Works, Inc. | Shearing type blowout preventer |
US4526339A (en) | 1984-05-11 | 1985-07-02 | Universal Well Control Systems | Blowout preventer |
US4550895A (en) | 1984-09-24 | 1985-11-05 | Shaffer Donald U | Ram construction for oil well blow out preventer apparatus |
US4601232A (en) | 1985-03-01 | 1986-07-22 | Cameron Iron Works, Inc. | Rod locking device |
FR2580053B1 (ko) | 1985-04-04 | 1987-09-25 | Petroles Cie Francaise | |
US4840346A (en) | 1985-04-11 | 1989-06-20 | Memory Metals, Inc. | Apparatus for sealing a well blowout |
DE3516424A1 (de) | 1985-05-04 | 1986-11-06 | Moller, Falk von, Dipl.-Ing. (FH), 3100 Celle | Verfahren und vorrichtung zum durchtrennen von staeben aus hochlegiertem stahl |
US4612983A (en) | 1985-10-15 | 1986-09-23 | Gray Tool Company | Shear type gate valve |
US4690033A (en) | 1985-12-16 | 1987-09-01 | Winkle Denzal W Van | Self actuating locking and unlocking arrangement and method for reciprocating piston type actuators |
US4690411A (en) | 1985-12-23 | 1987-09-01 | Winkle Denzal W Van | Bonded mechanically inner connected seal arrangement for a blowout preventer |
US4646825A (en) | 1986-01-02 | 1987-03-03 | Winkle Denzal W Van | Blowout preventer, shear ram, shear blade and seal therefor |
US4655284A (en) | 1986-02-11 | 1987-04-07 | Positive Action Tool Western Limited | Well head shut-off device |
DE3775446D1 (de) | 1986-04-18 | 1992-02-06 | Cooper Ind Inc | Ausbruchventil. |
US4770387A (en) | 1986-10-24 | 1988-09-13 | Nl Industries, Inc. | Variable ram seal for blowout preventers |
US4969627A (en) | 1986-10-27 | 1990-11-13 | Cameron Iron Works Usa, Inc. | Rod locking device |
US4922423A (en) | 1987-12-10 | 1990-05-01 | Koomey Paul C | Position and seal wear indicator for valves and blowout preventers |
JPH01141905U (ko) | 1988-03-23 | 1989-09-28 | ||
US4930745A (en) | 1988-04-29 | 1990-06-05 | Granger Stanley W | Variable bore ram rubber |
US4877217A (en) | 1988-10-27 | 1989-10-31 | Bowen Tools, Inc. | Fail-safe blowout preventer |
US4923005A (en) | 1989-01-05 | 1990-05-08 | Otis Engineering Corporation | System for handling reeled tubing |
CA1291923C (en) | 1989-01-16 | 1991-11-12 | Stanley W. Wachowicz | Hydraulic power system |
US4969390A (en) | 1989-05-30 | 1990-11-13 | Cooper Industries, Inc. | Rod locking device |
US4938290A (en) | 1989-06-19 | 1990-07-03 | Eastern Oil Tools Pte Ltd | Wireline blowout preventer having mechanical and hydraulic sealing |
US4923006A (en) | 1989-08-07 | 1990-05-08 | Cameron Iron Works Usa, Inc. | Insulating support for tubing string |
US4997162A (en) | 1989-07-21 | 1991-03-05 | Cooper Industries, Inc. | Shearing gate valve |
US4911410A (en) | 1989-07-21 | 1990-03-27 | Cameron Iron Works Usa, Inc. | Shearing gate valve |
US4943031A (en) | 1989-08-17 | 1990-07-24 | Drexel Oilfield Services, Inc. | Blowout preventer |
US5002130A (en) | 1990-01-29 | 1991-03-26 | Otis Engineering Corp. | System for handling reeled tubing |
US5025708A (en) | 1990-01-30 | 1991-06-25 | Baroid Technology, Inc. | Actuator with automatic lock |
US5005802A (en) | 1990-02-01 | 1991-04-09 | Cooper Industries, Inc. | Variable bore packer for a ram type blowout preventer |
US5064164A (en) | 1990-08-16 | 1991-11-12 | Baroid Technology, Inc. | Bop seal with improved metal inserts |
US5011110A (en) | 1990-08-16 | 1991-04-30 | Baroid Technology, Inc. | BOP seal with improved metal inserts |
US5056418A (en) | 1990-10-18 | 1991-10-15 | Granger Stanley W | Self-adjusting automatic locking piston for RAM blowout preventers |
US5199493A (en) | 1991-05-03 | 1993-04-06 | Sodder George Jr | Methods and apparatus for shutting a conduit |
DE4114887A1 (de) | 1991-05-07 | 1992-11-12 | Bruns Werner | Trenn-schliess-vorrichtung fuer druckrohre in foerder- und versorgungsanlagen |
US5150049A (en) | 1991-06-24 | 1992-09-22 | Schuetz Tool & Die, Inc. | Magnetostrictive linear displacement transducer with temperature compensation |
US5178215A (en) | 1991-07-22 | 1993-01-12 | Folsom Metal Products, Inc. | Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms |
CA2048780C (en) | 1991-08-08 | 1997-12-16 | Edward Joseph Schartinger | Blade for cutting cylindrical structures |
US5125620A (en) | 1991-10-02 | 1992-06-30 | Hydril Company | Ram type blowout preventer having improved ram front packing |
US5199683A (en) | 1992-06-09 | 1993-04-06 | Baroid Technology, Inc. | Blowout preventer opening mechanism |
US5294088A (en) | 1992-10-13 | 1994-03-15 | Cooper Industries, Inc. | Variable bore packer for a ram-type blowout preventer |
US5360061A (en) | 1992-10-14 | 1994-11-01 | Womble Lee M | Blowout preventer with tubing shear rams |
US5255890A (en) | 1992-11-12 | 1993-10-26 | Hydril Company | Ram type blowout preventer |
US5361832A (en) | 1993-06-17 | 1994-11-08 | Drexel Oilfield Services, Inc. | Annular packer and insert |
NO306914B1 (no) | 1993-08-02 | 2000-01-10 | Hydril Co | Elektromagnetisk avstenger-lokaliseringsanordning for en brönnhode-utblåsningssikring |
US5320325A (en) | 1993-08-02 | 1994-06-14 | Hydril Company | Position instrumented blowout preventer |
US5400857A (en) | 1993-12-08 | 1995-03-28 | Varco Shaffer, Inc. | Oilfield tubular shear ram and method for blowout prevention |
US5501424A (en) | 1994-02-09 | 1996-03-26 | Fmc Corporation | Wire cutting insert for gate valve |
CA2145145A1 (en) | 1994-04-19 | 1995-10-20 | Richard A. Olson | Ram-type blowout preventer |
US5713581A (en) | 1994-10-03 | 1998-02-03 | Hydril Company | Fibrous seal for blowout preventer |
DE69620738T2 (de) | 1995-01-13 | 2002-11-21 | Hydril Co., Houston | Niedrig bauender und leichtgewichtiger hochdruck-ausbruchschieber |
US5515916A (en) | 1995-03-03 | 1996-05-14 | Stewart & Stevenson Services, Inc. | Blowout preventer |
US5505426A (en) | 1995-04-05 | 1996-04-09 | Varco Shaffer, Inc. | Hydraulically controlled blowout preventer |
US5575451A (en) | 1995-05-02 | 1996-11-19 | Hydril Company | Blowout preventer ram for coil tubing |
US5590867A (en) | 1995-05-12 | 1997-01-07 | Drexel Oil Field Services, Inc. | Blowout preventer for coiled tubing |
US5566753A (en) | 1995-06-07 | 1996-10-22 | Drexel Oil Field Services, Inc. | Stripper/packer |
US5588491A (en) | 1995-08-10 | 1996-12-31 | Varco Shaffer, Inc. | Rotating blowout preventer and method |
US5575452A (en) | 1995-09-01 | 1996-11-19 | Varco Shaffer, Inc. | Blowout preventer with ram wedge locks |
US5863022A (en) | 1996-01-16 | 1999-01-26 | Van Winkle; D. Wayne | Stripper/packer and blowout preventer with split bonnet |
US5775420A (en) | 1996-03-18 | 1998-07-07 | Mitchell; Morton Lindsay | Dual string assembly for gas wells |
US5897074A (en) | 1996-07-30 | 1999-04-27 | Nuway Corporation | Moist tissue dispenser having sealing arms |
US5778918A (en) | 1996-10-18 | 1998-07-14 | Varco Shaffer, Inc. | Pilot valve with improved cage |
US5735502A (en) | 1996-12-18 | 1998-04-07 | Varco Shaffer, Inc. | BOP with partially equalized ram shafts |
US5897094A (en) | 1996-12-27 | 1999-04-27 | Varco Shaffer, Inc. | BOP with improved door connectors |
US6089526A (en) | 1997-05-01 | 2000-07-18 | Stewart & Stevenson Services, Inc. | Ram type blowout preventor |
US5944110A (en) | 1997-09-11 | 1999-08-31 | Cooper Cameron Corporation | Variable bore ram packer for a ram type blowout preventer |
US5833208A (en) | 1997-09-15 | 1998-11-10 | Jm Clipper Corporation | Inner seal for ram-type blowout preventer |
US6016880A (en) | 1997-10-02 | 2000-01-25 | Abb Vetco Gray Inc. | Rotating drilling head with spaced apart seals |
US5964922A (en) | 1997-11-18 | 1999-10-12 | Praxair Technology, Inc. | Solid electrolyte ionic conductor with adjustable steam-to-oxygen production |
US5918851A (en) | 1998-03-03 | 1999-07-06 | Cooper Cameron Corporation | Blowout preventer ram automatic locking system |
USD425525S (en) | 1998-03-10 | 2000-05-23 | Cooper Cameron Corporation, Inc. | Insert for variable bore ram blow out preventor |
US6173770B1 (en) | 1998-11-20 | 2001-01-16 | Hydril Company | Shear ram for ram-type blowout preventer |
US6006647A (en) | 1998-05-08 | 1999-12-28 | Tuboscope I/P Inc. | Actuator with free-floating piston for a blowout preventer and the like |
US5961094A (en) | 1998-06-24 | 1999-10-05 | Tuboscope I/P Inc. | Method and apparatus for replacing a packer element |
US6012528A (en) | 1998-06-24 | 2000-01-11 | Tuboscope I/P Inc. | Method and apparatus for replacing a packer element |
US6164619A (en) | 1999-01-07 | 2000-12-26 | Tuboscope I/P, Inc. | Bi-directional sealing ram |
US6276450B1 (en) | 1999-05-02 | 2001-08-21 | Varco International, Inc. | Apparatus and method for rapid replacement of upper blowout preventers |
US6454015B1 (en) | 1999-07-15 | 2002-09-24 | Abb Vetco Gray Inc. | Shearing gate valve |
US6192680B1 (en) | 1999-07-15 | 2001-02-27 | Varco Shaffer, Inc. | Subsea hydraulic control system |
US6158505A (en) | 1999-08-30 | 2000-12-12 | Cooper Cameron Corporation | Blade seal for a shearing blind ram in a ram type blowout preventer |
AU2001241585B2 (en) | 2000-02-16 | 2006-06-01 | Horizontal Expansion Tech , LLC | Horizontal directional drilling in wells |
US6244336B1 (en) | 2000-03-07 | 2001-06-12 | Cooper Cameron Corporation | Double shearing rams for ram type blowout preventer |
US6244560B1 (en) | 2000-03-31 | 2001-06-12 | Varco Shaffer, Inc. | Blowout preventer ram actuating mechanism |
US6367804B1 (en) | 2000-04-14 | 2002-04-09 | Cooper Cameron Corporation | Variable bore ram packer for tapered tubular members in a ram type blowout preventer |
US6484808B2 (en) | 2000-06-09 | 2002-11-26 | Varco I/P, Inc. | Stripper/packer |
FR2810701B1 (fr) | 2000-06-27 | 2002-12-13 | Hydraulique Production Systems | Verin hydraulique a double effet avec dispositif de blocage axial |
US6296225B1 (en) | 2000-06-29 | 2001-10-02 | Cooper Cameron Corporation | Ram bore profile for variable bore packer ram in a ram type blowout preventer |
JP4438203B2 (ja) | 2000-09-12 | 2010-03-24 | 株式会社デンソー | パイプの穴開け方法及び装置 |
US6374925B1 (en) | 2000-09-22 | 2002-04-23 | Varco Shaffer, Inc. | Well drilling method and system |
US6510895B1 (en) | 2000-11-06 | 2003-01-28 | Fmc Technologies | Energized sealing cartridge for annulus sealing between tubular well components |
US6554016B2 (en) | 2000-12-12 | 2003-04-29 | Northland Energy Corporation | Rotating blowout preventer with independent cooling circuits and thrust bearing |
US6509733B2 (en) | 2000-12-20 | 2003-01-21 | Caterpillar Inc | Fluid cylinder with embedded positioning sensor |
US6601650B2 (en) | 2001-08-09 | 2003-08-05 | Worldwide Oilfield Machine, Inc. | Method and apparatus for replacing BOP with gate valve |
US6554247B2 (en) | 2001-05-04 | 2003-04-29 | Hydril Company | Quick release blowout preventer bonnet |
US6510897B2 (en) | 2001-05-04 | 2003-01-28 | Hydril Company | Rotational mounts for blowout preventer bonnets |
US7096960B2 (en) | 2001-05-04 | 2006-08-29 | Hydrill Company Lp | Mounts for blowout preventer bonnets |
US6845959B2 (en) | 2001-05-04 | 2005-01-25 | Hydril Company, L.P. | Quick release blowout preventer bonnet |
US6530432B2 (en) | 2001-07-11 | 2003-03-11 | Coiled Tubing Solutions, Inc. | Oil well tubing injection system and method |
US6651746B2 (en) | 2001-11-26 | 2003-11-25 | Anthony R. Boyd | High torque and high capacity rotatable center core and floatable sealed body assemblies with universals ram applications and method |
EP1319800B1 (en) | 2001-12-12 | 2006-02-22 | Cooper Cameron Corporation | Borehole equipment position detection system |
BR0206084B1 (pt) | 2001-12-17 | 2013-08-27 | " sistema de produÇço submarino, e màdulo de corte adaptado para cortar tubagem num poÇo." | |
US6834721B2 (en) | 2002-01-14 | 2004-12-28 | Halliburton Energy Services, Inc. | System for disconnecting coiled tubing |
NO316189B1 (no) | 2002-01-16 | 2003-12-22 | Norsk Hydro As | Kontrollanordning for stigeror |
CA2478181A1 (en) | 2002-02-19 | 2003-08-28 | Preston Fox | Subsea intervention system, method and components thereof |
US6742597B2 (en) | 2002-05-20 | 2004-06-01 | Varco I/P | Safety check valve for coiled tubing |
US6719042B2 (en) | 2002-07-08 | 2004-04-13 | Varco Shaffer, Inc. | Shear ram assembly |
US20040021269A1 (en) | 2002-08-01 | 2004-02-05 | Cooper Cameron Corporation | Compact insert for variable bore ram packer in a ram type blowout preventer |
US6843463B1 (en) | 2002-08-30 | 2005-01-18 | Varco I/P/ Inc. | Pressure regulated slip ram on a coil tubing blowout preventer |
US6955357B2 (en) | 2002-10-07 | 2005-10-18 | Cooper Cameron Corporation | Extended range variable bore ram packer for a ram type blowout preventer |
US20040124380A1 (en) | 2002-10-29 | 2004-07-01 | Van Winkle Denzal Wayne | Articulated slip ram for tapered coiled tubing |
CA2411129C (en) | 2002-11-05 | 2006-06-27 | Vanoil Equipment Inc. | Method of sealing pressure within a blowout preventer and a blowout preventer |
US7023199B2 (en) | 2002-12-31 | 2006-04-04 | Caterpillar Inc. | Position sensing cylinder cap for ease of service and assembly |
US6857634B2 (en) | 2003-02-20 | 2005-02-22 | Varco Shaffer, Inc. | BOP assembly with metal inserts |
EP1623149A1 (en) | 2003-05-02 | 2006-02-08 | Varian, Inc. | Gate valve |
US6974135B2 (en) | 2003-07-11 | 2005-12-13 | Varco I/P Inc. | Variable bore ram |
US7225793B2 (en) | 2003-08-14 | 2007-06-05 | Electrojet, Inc. | Engine timing control with intake air pressure sensor |
GB0319317D0 (en) | 2003-08-16 | 2003-09-17 | Maris Tdm Ltd | Method and apparatus for drilling |
US7100892B2 (en) | 2003-08-26 | 2006-09-05 | Kitz Sct Corporation | Non-rubbing gate valve for semiconductor fabrication apparatus |
US7159652B2 (en) | 2003-09-04 | 2007-01-09 | Oil States Energy Services, Inc. | Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use |
US7036613B2 (en) | 2003-09-12 | 2006-05-02 | Reedhycalog, L.P. | Lip seal for roller cone drill bit |
US7011159B2 (en) | 2003-09-16 | 2006-03-14 | Hydril Company, L.P. | Compact mid-grip fastener |
GB2411191B (en) | 2003-10-09 | 2006-07-19 | Varco Int | Variable size coil tubing gripping elements |
CA2445468C (en) | 2003-10-17 | 2008-04-01 | L. Murray Dallas | Metal ring gasket for a threaded union |
US7287544B2 (en) | 2003-10-21 | 2007-10-30 | Varco I/P, Inc. | Triple valve blow out preventer |
US20070137688A1 (en) | 2003-11-10 | 2007-06-21 | Tokyo Denki University | Photovoltaic power generator |
US7300642B1 (en) | 2003-12-03 | 2007-11-27 | Rentech, Inc. | Process for the production of ammonia and Fischer-Tropsch liquids |
EP2518259B1 (en) | 2003-12-31 | 2014-08-13 | Varco I/P, Inc. | Instrumented internal blowout preventer valve for measuring drill string drilling parameters |
US7334634B1 (en) | 2004-02-02 | 2008-02-26 | Leo William Abel | High pressure adaptor assembly for use on blow out preventors |
US7395867B2 (en) | 2004-03-17 | 2008-07-08 | Stinger Wellhead Protection, Inc. | Hybrid wellhead system and method of use |
US20050242519A1 (en) | 2004-04-29 | 2005-11-03 | Koleilat Bashir M | Wedge seal |
US7051989B2 (en) | 2004-04-30 | 2006-05-30 | Varco I/P, Inc. | Blowout preventer and movable ram block support |
US6969042B2 (en) | 2004-05-01 | 2005-11-29 | Varco I/P, Inc. | Blowout preventer and ram actuator |
US7121185B2 (en) | 2004-05-28 | 2006-10-17 | Caterpillar Inc. | Hydraulic cylinder having a snubbing valve |
US7051990B2 (en) | 2004-07-01 | 2006-05-30 | Varco I/P, Inc. | Blowout preventer and movable bonnet support |
WO2006014895A2 (en) | 2004-07-27 | 2006-02-09 | T-3 Property Holdings, Inc. | Shearing sealing ram |
US7354026B2 (en) | 2004-08-17 | 2008-04-08 | Cameron International Corporation | Unitary blade seal for a shearing blind ram in a ram type blowout preventer |
US20060076526A1 (en) | 2004-10-13 | 2006-04-13 | Varco I/P, Inc. | Anodic Protective Seal in a Blowout Preventer |
US7703739B2 (en) | 2004-11-01 | 2010-04-27 | Hydril Usa Manufacturing Llc | Ram BOP shear device |
US7234530B2 (en) | 2004-11-01 | 2007-06-26 | Hydril Company Lp | Ram BOP shear device |
GB0425117D0 (en) | 2004-11-13 | 2004-12-15 | Cromar Ltd | Improved valve |
US7243713B2 (en) | 2004-11-29 | 2007-07-17 | National-Oilwell Dht, L.P. | Shear/seal ram assembly for a ram-type blowout prevention system |
US7360603B2 (en) | 2004-11-30 | 2008-04-22 | Varco I/P, Inc. | Methods and apparatuses for wellbore operations |
US7055594B1 (en) | 2004-11-30 | 2006-06-06 | Varco I/P, Inc. | Pipe gripper and top drive systems |
US7350587B2 (en) | 2004-11-30 | 2008-04-01 | Varco I/P, Inc. | Pipe guide |
JP2006187817A (ja) | 2004-12-28 | 2006-07-20 | Fuji Photo Film Co Ltd | ギロチンカッタおよびテープ貼付け装置 |
US20060144586A1 (en) | 2004-12-30 | 2006-07-06 | Cooper Cameron Corporation | Shearing blind ram assembly with a fish pocket |
US7195224B2 (en) | 2005-02-01 | 2007-03-27 | Varco I/P, Inc. | Blowout preventer and locking mechanism |
US20060228284A1 (en) | 2005-04-11 | 2006-10-12 | Schmidt Craig A | Integration of gasification and ammonia production |
US20060278406A1 (en) | 2005-06-08 | 2006-12-14 | Judge Robert A | Rod lock for ram blowout preventers |
US7464765B2 (en) | 2005-08-24 | 2008-12-16 | National-Oilwell Dht, L.P. | Inner guide seal assembly and method for a ram type BOP system |
US7523644B2 (en) | 2005-09-08 | 2009-04-28 | Varco I/P | Method and apparatus for verifying the integrity of a joint seal |
US7216872B1 (en) | 2005-10-28 | 2007-05-15 | Oceaneering International, Inc. | Seal for use with pipe and flange assemblies |
US7331562B2 (en) | 2005-11-07 | 2008-02-19 | Varco I/P, Inc. | Blowout preventer with breech assembly |
CA2568431C (en) | 2005-11-18 | 2009-07-14 | Bj Services Company | Dual purpose blow out preventer |
CN201008733Y (zh) | 2005-12-08 | 2008-01-23 | 张宜冰 | 便携型拼字拼图射奖游戏器 |
US7673674B2 (en) | 2006-01-31 | 2010-03-09 | Stream-Flo Industries Ltd. | Polish rod clamping device |
US20080189954A1 (en) | 2006-04-04 | 2008-08-14 | Yung Sheng Lin | Pipe cutter |
US8113544B2 (en) | 2006-04-07 | 2012-02-14 | Hydril Usa Manufacturing Llc | Rotating fluid union |
US7367396B2 (en) | 2006-04-25 | 2008-05-06 | Varco I/P, Inc. | Blowout preventers and methods of use |
US7487848B2 (en) | 2006-04-28 | 2009-02-10 | Varco I/P, Inc. | Multi-seal for top drive shaft |
US7401664B2 (en) | 2006-04-28 | 2008-07-22 | Varco I/P | Top drive systems |
US7181808B1 (en) | 2006-05-31 | 2007-02-27 | Denzal Wayne Van Winkle | Buckle or clasp |
US20080040070A1 (en) | 2006-08-11 | 2008-02-14 | Varco I/P, Inc. | Position Indicator for a Blowout Preventer |
US7520129B2 (en) | 2006-11-07 | 2009-04-21 | Varco I/P, Inc. | Subsea pressure accumulator systems |
US7947115B2 (en) | 2006-11-16 | 2011-05-24 | Siemens Energy, Inc. | System and method for generation of high pressure air in an integrated gasification combined cycle system |
US8740174B2 (en) | 2006-12-12 | 2014-06-03 | Hydril Usa Manufacturing Llc | Dual-direction ram-type blowout preventer seal |
US7926501B2 (en) | 2007-02-07 | 2011-04-19 | National Oilwell Varco L.P. | Subsea pressure systems for fluid recovery |
US8464525B2 (en) | 2007-02-07 | 2013-06-18 | National Oilwell Varco, L.P. | Subsea power fluid recovery systems |
US7980305B2 (en) | 2007-02-16 | 2011-07-19 | Hydril Usa Manufacturing Llc | Ram BOP position sensor |
US7832706B2 (en) | 2007-02-16 | 2010-11-16 | Hydrill USA Manufacturing LLC | RAM BOP position sensor |
US7798466B2 (en) | 2007-04-27 | 2010-09-21 | Varco I/P, Inc. | Ram locking blowout preventer |
WO2009025835A1 (en) | 2007-08-21 | 2009-02-26 | Regents Of The University Of Minnesota | Non-thermal plasma synthesis of ammonia |
CA2599402C (en) | 2007-08-28 | 2015-05-05 | Darwell Industries Ltd. | Method of forming a blowout preventer body |
US8033338B2 (en) | 2008-01-22 | 2011-10-11 | National Oilwell Varco, L.P. | Wellbore continuous circulation systems and method |
US8181697B2 (en) | 2008-08-15 | 2012-05-22 | National Oilwell Varco L.P. | Multi-function multi-hole drilling rig |
US8844898B2 (en) | 2009-03-31 | 2014-09-30 | National Oilwell Varco, L.P. | Blowout preventer with ram socketing |
CN201460794U (zh) * | 2009-06-05 | 2010-05-12 | 宝鸡石油机械有限责任公司 | 旋转变径式防喷器闸板 |
US8567490B2 (en) | 2009-06-19 | 2013-10-29 | National Oilwell Varco, L.P. | Shear seal blowout preventer |
US7967299B2 (en) | 2009-07-16 | 2011-06-28 | National Oilwell Varco, L.P. | Body to bonnet seal on a blowout preventer |
CN201486511U (zh) * | 2009-08-25 | 2010-05-26 | 山东创佳石油机械制造有限公司 | 防喷器变径闸板 |
US8540017B2 (en) | 2010-07-19 | 2013-09-24 | National Oilwell Varco, L.P. | Method and system for sealing a wellbore |
-
2012
- 2012-02-19 US US13/400,098 patent/US8978751B2/en active Active
- 2012-02-19 EP EP12716730.2A patent/EP2683912B1/en active Active
- 2012-02-19 NO NO12716730A patent/NO2683912T3/no unknown
- 2012-02-19 KR KR1020137023427A patent/KR101697397B1/ko active Active
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- 2012-02-19 WO PCT/US2012/025767 patent/WO2012121866A2/en active Application Filing
- 2012-02-19 CA CA2828956A patent/CA2828956C/en active Active
- 2012-02-19 KR KR1020157020764A patent/KR20150092371A/ko not_active Withdrawn
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4458876A (en) * | 1982-09-16 | 1984-07-10 | Ventre Corporation | Annular blowout preventer |
US4444404A (en) * | 1982-10-19 | 1984-04-24 | Hydril Company | Variable bore ram packing element and blowout preventer |
US7611120B2 (en) * | 2006-06-03 | 2009-11-03 | Elmar Services Limited | Method and apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP2683912B1 (en) | 2017-08-23 |
US8978751B2 (en) | 2015-03-17 |
US20120227987A1 (en) | 2012-09-13 |
BR112013022928B1 (pt) | 2020-12-08 |
BR112013022928A2 (pt) | 2016-12-06 |
NO2683912T3 (ko) | 2018-01-20 |
KR20150092371A (ko) | 2015-08-12 |
CA2828956C (en) | 2016-08-02 |
EP2683912A2 (en) | 2014-01-15 |
CA2828956A1 (en) | 2012-09-13 |
CN103502565B (zh) | 2016-03-09 |
SG193346A1 (en) | 2013-10-30 |
WO2012121866A2 (en) | 2012-09-13 |
CN103502565A (zh) | 2014-01-08 |
KR101697397B1 (ko) | 2017-01-17 |
WO2012121866A3 (en) | 2013-08-15 |
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