GB8527786D0 - Valves - Google Patents

Valves

Info

Publication number
GB8527786D0
GB8527786D0 GB858527786A GB8527786A GB8527786D0 GB 8527786 D0 GB8527786 D0 GB 8527786D0 GB 858527786 A GB858527786 A GB 858527786A GB 8527786 A GB8527786 A GB 8527786A GB 8527786 D0 GB8527786 D0 GB 8527786D0
Authority
GB
United Kingdom
Prior art keywords
valves
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.)
Granted
Application number
GB858527786A
Other versions
GB2166785A (en
GB2166785B (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.)
Koomey Blowout Preventers Inc
Original Assignee
Koomey Blowout Preventers 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
Application filed by Koomey Blowout Preventers Inc filed Critical Koomey Blowout Preventers Inc
Publication of GB8527786D0 publication Critical patent/GB8527786D0/en
Publication of GB2166785A publication Critical patent/GB2166785A/en
Application granted granted Critical
Publication of GB2166785B publication Critical patent/GB2166785B/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
GB08527786A 1982-12-02 1985-11-11 Blowout preventer Expired GB2166785B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44639082A 1982-12-02 1982-12-02

Publications (3)

Publication Number Publication Date
GB8527786D0 true GB8527786D0 (en) 1985-12-18
GB2166785A GB2166785A (en) 1986-05-14
GB2166785B GB2166785B (en) 1987-01-14

Family

ID=23772410

Family Applications (4)

Application Number Title Priority Date Filing Date
GB08311845A Expired GB2131470B (en) 1982-12-02 1983-04-29 Blowout preventer
GB08527786A Expired GB2166785B (en) 1982-12-02 1985-11-11 Blowout preventer
GB08527785A Expired GB2166784B (en) 1982-12-02 1985-11-11 Blowout preventer
GB08527787A Expired GB2166786B (en) 1982-12-02 1985-11-11 Blowout preventer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB08311845A Expired GB2131470B (en) 1982-12-02 1983-04-29 Blowout preventer

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB08527785A Expired GB2166784B (en) 1982-12-02 1985-11-11 Blowout preventer
GB08527787A Expired GB2166786B (en) 1982-12-02 1985-11-11 Blowout preventer

Country Status (7)

Country Link
JP (1) JPS59102075A (en)
CA (1) CA1197181A (en)
DE (3) DE3337510A1 (en)
FR (1) FR2537203B1 (en)
GB (4) GB2131470B (en)
MX (3) MX157748A (en)
NO (1) NO163913C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923005A (en) * 1989-01-05 1990-05-08 Otis Engineering Corporation System for handling reeled tubing
CA2145145A1 (en) * 1994-04-19 1995-10-20 Richard A. Olson Ram-type blowout preventer
US5735502A (en) * 1996-12-18 1998-04-07 Varco Shaffer, Inc. BOP with partially equalized ram shafts
US6244560B1 (en) * 2000-03-31 2001-06-12 Varco Shaffer, Inc. Blowout preventer ram actuating mechanism
DE602005021532D1 (en) * 2004-11-04 2010-07-08 Hydril Usa Mfg Llc PISTON EXTRUSION
US9194509B2 (en) * 2013-09-17 2015-11-24 Ge Oil & Gas Pressure Control Lp Power boost assist closed device for actuators
CN104775785B (en) * 2015-04-24 2017-03-29 西南石油大学 A kind of downhole blow-out preventer
GB201614712D0 (en) 2016-08-31 2016-10-12 Enovate Systems Ltd Improved shear blade
GB2549814B (en) * 2016-09-26 2019-06-12 Electrical Subsea & Drilling As Wellbore control device
US11118419B2 (en) 2016-09-26 2021-09-14 Electrical Subsea & Drilling As Wellbore control device

Family Cites Families (10)

* 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
US3036807A (en) * 1957-10-17 1962-05-29 Cameron Iron Works Inc Valve apparatus
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
US4081027A (en) * 1976-08-23 1978-03-28 The Rucker Company Shear rams for hydrogen sulfide service
GB2018330B (en) * 1978-04-06 1982-06-03 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
US4582293A (en) * 1982-01-06 1986-04-15 Koomey Blowout Preventers, Inc. Hydraulically operated valves

Also Published As

Publication number Publication date
GB2166785A (en) 1986-05-14
GB2166786A (en) 1986-05-14
JPS59102075A (en) 1984-06-12
GB2166785B (en) 1987-01-14
FR2537203A1 (en) 1984-06-08
GB2131470B (en) 1986-12-17
GB2166784B (en) 1986-12-31
GB8311845D0 (en) 1983-06-02
GB2166786B (en) 1987-01-14
GB2166784A (en) 1986-05-14
GB8527787D0 (en) 1985-12-18
DE3337510A1 (en) 1984-06-07
NO833559L (en) 1984-06-04
NO163913B (en) 1990-04-30
MX172378B (en) 1993-12-15
GB2131470A (en) 1984-06-20
CA1197181A (en) 1985-11-26
GB8527785D0 (en) 1985-12-18
DE3348229C2 (en) 1990-08-23
NO163913C (en) 1990-08-08
MX172380B (en) 1993-12-15
DE3348228C2 (en) 1990-08-23
JPS6220355B2 (en) 1987-05-06
DE3337510C2 (en) 1990-06-21
FR2537203B1 (en) 1986-08-14
MX157748A (en) 1988-12-13

Similar Documents

Publication Publication Date Title
GB8500834D0 (en) Valve
GB8311204D0 (en) Valve
GB8320999D0 (en) Valve
ZA837941B (en) Valves
GB2118252B (en) Valve actuator-covers
GB2120753B (en) Valve
GB8527786D0 (en) Valves
GB8331800D0 (en) Valve
PL240606A1 (en) Valve
GB2133507B (en) Valve
SG30986G (en) Valve
GB2117490B (en) Valves
GB8300627D0 (en) Valve
GB2131124B (en) Valves
GB2132318B (en) Valve
GB2117497B (en) Valve
ZA837942B (en) Valves
GB2133501B (en) Valve
GB2123531B (en) Valves
GB2125148B (en) Valve
GB2133503B (en) Valve
GB2170578B (en) Valve
GB8508911D0 (en) Valve
GB2117496B (en) Valves
GB2119064B (en) Valve

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990429