GB2018330B - Pipe shearing ram assembly for blowout preventer - Google Patents

Pipe shearing ram assembly for blowout preventer

Info

Publication number
GB2018330B
GB2018330B GB7845358A GB7845358A GB2018330B GB 2018330 B GB2018330 B GB 2018330B GB 7845358 A GB7845358 A GB 7845358A GB 7845358 A GB7845358 A GB 7845358A GB 2018330 B GB2018330 B GB 2018330B
Authority
GB
United Kingdom
Prior art keywords
blowout preventer
ram assembly
pipe shearing
shearing ram
pipe
Prior art date
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.)
Expired
Application number
GB7845358A
Other versions
GB2018330A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cooper Industries LLC
Original Assignee
Cameron Iron Works Inc
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
Priority claimed from US05/893,977 external-priority patent/US4132266A/en
Priority claimed from US05/893,978 external-priority patent/US4132267A/en
Application filed by Cameron Iron Works Inc filed Critical Cameron Iron Works Inc
Publication of GB2018330A publication Critical patent/GB2018330A/en
Application granted granted Critical
Publication of GB2018330B publication Critical patent/GB2018330B/en
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
    • 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
GB7845358A 1978-04-06 1978-11-21 Pipe shearing ram assembly for blowout preventer Expired GB2018330B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/893,977 US4132266A (en) 1978-04-06 1978-04-06 Pipe shearing ram assembly for blowout preventer
US05/893,978 US4132267A (en) 1978-04-06 1978-04-06 Pipe shearing ram assembly for blowout preventer

Publications (2)

Publication Number Publication Date
GB2018330A GB2018330A (en) 1979-10-17
GB2018330B true GB2018330B (en) 1982-06-03

Family

ID=27129075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7845358A Expired GB2018330B (en) 1978-04-06 1978-11-21 Pipe shearing ram assembly for blowout preventer

Country Status (8)

Country Link
JP (1) JPS54134004A (en)
AR (1) AR225888A1 (en)
DE (3) DE7937061U1 (en)
FR (1) FR2422023A1 (en)
GB (1) GB2018330B (en)
MX (1) MX147311A (en)
MY (1) MY8500364A (en)
NO (1) NO152181C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1197181A (en) * 1982-12-02 1985-11-26 Marvin R. Jones Valves
US4923005A (en) * 1989-01-05 1990-05-08 Otis Engineering Corporation System for handling reeled tubing
JP3902750B2 (en) 2002-08-08 2007-04-11 株式会社オグラ Cutting device
US9316078B2 (en) * 2012-10-23 2016-04-19 Transocean Innovation Labs Ltd Inductive shearing of drilling pipe
GB201614712D0 (en) 2016-08-31 2016-10-12 Enovate Systems Ltd Improved shear blade
CN108927567A (en) * 2018-08-20 2018-12-04 镇江裕太防爆电加热器有限公司 A kind of cutting structure for triangle magnesium pipe agglomerating plant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3379255A (en) * 1966-07-28 1968-04-23 Bowen Tools Inc Cutoff assembly for use at wellheads
US3561526A (en) * 1969-09-03 1971-02-09 Cameron Iron Works Inc Pipe shearing ram assembly for blowout preventer
US3736982A (en) * 1972-05-01 1973-06-05 Rucker Co Combination shearing and shut-off ram for blowout preventer
US3817326A (en) * 1972-06-16 1974-06-18 Cameron Iron Works Inc Ram-type blowout preventer

Also Published As

Publication number Publication date
GB2018330A (en) 1979-10-17
DE2903693C2 (en) 1986-04-03
NO784033L (en) 1979-10-09
JPS5755875B2 (en) 1982-11-26
DE2903693A1 (en) 1979-10-18
AR225888A1 (en) 1982-05-14
DE7902652U1 (en) 1984-11-29
NO152181B (en) 1985-05-06
MY8500364A (en) 1985-12-31
FR2422023A1 (en) 1979-11-02
DE7937061U1 (en) 1985-01-10
MX147311A (en) 1982-11-10
NO152181C (en) 1985-08-14
JPS54134004A (en) 1979-10-18
FR2422023B1 (en) 1983-12-02

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19981120