JPS4963603A - - Google Patents

Info

Publication number
JPS4963603A
JPS4963603A JP48066451A JP6645173A JPS4963603A JP S4963603 A JPS4963603 A JP S4963603A JP 48066451 A JP48066451 A JP 48066451A JP 6645173 A JP6645173 A JP 6645173A JP S4963603 A JPS4963603 A JP S4963603A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP48066451A
Other languages
Japanese (ja)
Other versions
JPS549565B2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS4963603A publication Critical patent/JPS4963603A/ja
Publication of JPS549565B2 publication Critical patent/JPS549565B2/ja
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B33/063—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams for shearing drill pipes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/08—Cutting or deforming pipes to control fluid flow
JP6645173A 1972-06-16 1973-06-14 Expired JPS549565B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00263602A US3817326A (en) 1972-06-16 1972-06-16 Ram-type blowout preventer

Publications (2)

Publication Number Publication Date
JPS4963603A true JPS4963603A (en) 1974-06-20
JPS549565B2 JPS549565B2 (en) 1979-04-25

Family

ID=23002469

Family Applications (2)

Application Number Title Priority Date Filing Date
JP6645173A Expired JPS549565B2 (en) 1972-06-16 1973-06-14
JP6354975A Expired JPS5410327B2 (en) 1972-06-16 1975-05-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP6354975A Expired JPS5410327B2 (en) 1972-06-16 1975-05-29

Country Status (4)

Country Link
US (1) US3817326A (en)
JP (2) JPS549565B2 (en)
DE (1) DE2330568C3 (en)
GB (3) GB1409473A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56167092A (en) * 1980-04-22 1981-12-22 Cameron Iron Works Inc Well head shearing apparatus

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081027A (en) * 1976-08-23 1978-03-28 The Rucker Company Shear rams for hydrogen sulfide service
CA1087519A (en) * 1977-04-25 1980-10-14 Michael B. Calhoun Well tools
US4132267A (en) * 1978-04-06 1979-01-02 Cameron Iron Works, Inc. Pipe shearing ram assembly for blowout preventer
US4132266A (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
GB2018330B (en) * 1978-04-06 1982-06-03 Cameron Iron Works Inc Pipe shearing ram assembly for blowout preventer
US4240503A (en) * 1979-05-01 1980-12-23 Hydril Company Blowout preventer shearing and sealing rams
US4347898A (en) * 1980-11-06 1982-09-07 Cameron Iron Works, Inc. Shear ram blowout preventer
CA1197181A (en) * 1982-12-02 1985-11-26 Marvin R. Jones Valves
US4476935A (en) * 1983-03-09 1984-10-16 Hydril Company Safety valve apparatus and method
US4537250A (en) * 1983-12-14 1985-08-27 Cameron Iron Works, Inc. Shearing type blowout preventer
US4646825A (en) * 1986-01-02 1987-03-03 Winkle Denzal W Van Blowout preventer, shear ram, shear blade and seal therefor
EP0242008B1 (en) * 1986-04-18 1991-12-27 Cooper Industries, Inc. Blowout preventer
US5515916A (en) * 1995-03-03 1996-05-14 Stewart & Stevenson Services, Inc. Blowout preventer
US6173770B1 (en) * 1998-11-20 2001-01-16 Hydril Company Shear ram for ram-type blowout preventer
US6158505A (en) * 1999-08-30 2000-12-12 Cooper Cameron Corporation Blade seal for a shearing blind ram in a ram type blowout preventer
US6260817B1 (en) * 1999-10-29 2001-07-17 Stream-Flo Industries, Ltd. Hydraulic blowout preventer assembly for production wellhead
US6244336B1 (en) * 2000-03-07 2001-06-12 Cooper Cameron Corporation Double shearing rams for ram type blowout preventer
BR0206084B1 (en) * 2001-12-17 2013-08-27 "subsea production system, and cutting module adapted to cut pipe in a well."
US7779917B2 (en) * 2002-11-26 2010-08-24 Cameron International Corporation Subsea connection apparatus for a surface blowout preventer stack
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
GB0423016D0 (en) * 2004-10-16 2004-11-17 Enovate Systems Ltd Blow out preventers
US7234530B2 (en) * 2004-11-01 2007-06-26 Hydril Company Lp Ram BOP shear device
US7703739B2 (en) * 2004-11-01 2010-04-27 Hydril Usa Manufacturing Llc Ram BOP shear device
US20060144586A1 (en) * 2004-12-30 2006-07-06 Cooper Cameron Corporation Shearing blind ram assembly with a fish pocket
US7552765B2 (en) * 2006-01-27 2009-06-30 Stream-Flo Industries Ltd. Wellhead blowout preventer with extended ram for sealing central bore
US7673674B2 (en) * 2006-01-31 2010-03-09 Stream-Flo Industries Ltd. Polish rod clamping device
US8720564B2 (en) * 2006-04-25 2014-05-13 National Oilwell Varco, L.P. Tubular severing system and method of using same
US7367396B2 (en) 2006-04-25 2008-05-06 Varco I/P, Inc. Blowout preventers and methods of use
US8720565B2 (en) * 2006-04-25 2014-05-13 National Oilwell Varco, L.P. Tubular severing system and method of using same
US20080105436A1 (en) * 2006-11-02 2008-05-08 Schlumberger Technology Corporation Cutter Assembly
US8439327B2 (en) * 2009-12-21 2013-05-14 Hydril Usa Manufacturing Llc Shear block and blade interface and method
US8162046B2 (en) 2010-08-17 2012-04-24 T-3 Property Holdings, Inc. Blowout preventer with shearing blades
US9644444B2 (en) * 2011-09-08 2017-05-09 Cameron International Corporation Load-sharing ram packer for ram type blowout preventers
US8844613B2 (en) * 2011-12-28 2014-09-30 Hydrill USA Manufacturing LLC Shear blade and method of attachment to shear rams
US10000987B2 (en) 2013-02-21 2018-06-19 National Oilwell Varco, L.P. Blowout preventer monitoring system and method of using same
GB201614712D0 (en) 2016-08-31 2016-10-12 Enovate Systems Ltd Improved shear blade
US10655420B2 (en) 2017-03-21 2020-05-19 Baker Hughes, A Ge Company, Llc Blowout prevention system including blind shear ram
US10370927B2 (en) 2017-03-30 2019-08-06 General Electric Company Blowout prevention system including blind shear ram
US10577884B2 (en) 2017-03-31 2020-03-03 General Electric Company Blowout prevention system including blind shear ram
US20190162040A1 (en) 2017-11-29 2019-05-30 Cameron International Corporation Side packer for a blowout preventer
USD973734S1 (en) * 2019-08-06 2022-12-27 Nxl Technologies Inc. Blind shear

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593793A (en) * 1947-04-21 1952-04-22 Laurence L Rector Ram-type tubing head
US2919111A (en) * 1955-12-30 1959-12-29 California Research Corp Shearing device and method for use in well drilling
US2969838A (en) * 1956-07-23 1961-01-31 Shaffer Tool Works Combination shearing and shut-off ram
US3399728A (en) * 1966-12-01 1968-09-03 Allan R. Taylor Conduit closure apparatus
US3561526A (en) * 1969-09-03 1971-02-09 Cameron Iron Works Inc Pipe shearing ram assembly for blowout preventer
US3717202A (en) * 1971-08-30 1973-02-20 M Burrow Remote well plugging apparatus
US3736982A (en) * 1972-05-01 1973-06-05 Rucker Co Combination shearing and shut-off ram for blowout preventer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56167092A (en) * 1980-04-22 1981-12-22 Cameron Iron Works Inc Well head shearing apparatus

Also Published As

Publication number Publication date
JPS549565B2 (en) 1979-04-25
GB1409471A (en) 1975-10-08
JPS5133703A (en) 1976-03-23
US3817326A (en) 1974-06-18
DE2330568A1 (en) 1974-01-03
JPS5410327B2 (en) 1979-05-04
GB1409473A (en) 1975-10-08
DE2330568B2 (en) 1981-05-27
GB1409472A (en) 1975-10-08
DE2330568C3 (en) 1982-04-01

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