GB1266558A - - Google Patents

Info

Publication number
GB1266558A
GB1266558A GB1266558DA GB1266558A GB 1266558 A GB1266558 A GB 1266558A GB 1266558D A GB1266558D A GB 1266558DA GB 1266558 A GB1266558 A GB 1266558A
Authority
GB
United Kingdom
Prior art keywords
heading
wells
aug
oct
differ
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
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 GB1266558A publication Critical patent/GB1266558A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Geology (AREA)
  • 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)
  • Bridges Or Land Bridges (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Superconductive Dynamoelectric Machines (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

1,266,558. Wells. CAMERON IRON WORKS Inc. 8 Aug., 1969 [4 Oct., 1968], No. 13356/71. Divided out of 1,266,556. Heading E1F. The subject matter of the Specification is substantially the same as that described in Specification 1,266,556 but the claims differ.
GB1266558D 1968-10-04 1969-08-08 Expired GB1266558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76506668A 1968-10-04 1968-10-04

Publications (1)

Publication Number Publication Date
GB1266558A true GB1266558A (en) 1972-03-15

Family

ID=25072543

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1266558D Expired GB1266558A (en) 1968-10-04 1969-08-08
GB1266556D Expired GB1266556A (en) 1968-10-04 1969-08-08

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1266556D Expired GB1266556A (en) 1968-10-04 1969-08-08

Country Status (3)

Country Link
US (1) US3572628A (en)
GB (2) GB1266558A (en)
MY (2) MY7400067A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897039A (en) * 1971-10-20 1975-07-29 Hydril Co Variable inside diameter blowout preventer
US3897071A (en) * 1972-04-27 1975-07-29 Hydril Co Annular blowout preventer with variable inside diameter
US3897038A (en) * 1973-01-22 1975-07-29 Hydril Co Blowout preventer with variable inside diameter
US3915425A (en) * 1973-01-22 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
US3915426A (en) * 1973-01-26 1975-10-28 Hydril Co Blowout preventer with variable inside diameter
US3897040A (en) * 1973-05-11 1975-07-29 Hydril Co Annular blowout preventer with variable inside diameter
US4007904A (en) * 1975-03-28 1977-02-15 Cameron Iron Works, Inc. Annular blowout preventer
US4098516A (en) * 1977-08-15 1978-07-04 Hydril Company Blowout preventer packing unit with slanted reinforcing inserts
US4310139A (en) * 1980-04-04 1982-01-12 Cameron Iron Works, Inc. Annular blowout preventer
US4332367A (en) * 1980-05-02 1982-06-01 Nl Industries, Inc. Blowout preventer having a variable ram seal
US4460149A (en) * 1980-06-05 1984-07-17 Nl Industries, Inc. Annular blowout preventer with upper and lower spherical sealing surfaces
US4460151A (en) * 1981-12-29 1984-07-17 Cameron Iron Works, Inc. Annular blowout preventer
US4508311A (en) * 1982-11-12 1985-04-02 Cameron Iron Works, Inc. Annular blowout preventer
US4830334A (en) * 1988-10-03 1989-05-16 Welker Robert H Resilient plug construction for a flow regulator incorporating stress limiting means
US5064164A (en) * 1990-08-16 1991-11-12 Baroid Technology, Inc. Bop seal with improved metal inserts
CA2311036A1 (en) * 2000-06-09 2001-12-09 Oil Lift Technology Inc. Pump drive head with leak-free stuffing box, centrifugal brake and polish rod locking clamp
US8844898B2 (en) * 2009-03-31 2014-09-30 National Oilwell Varco, L.P. Blowout preventer with ram socketing
US8544538B2 (en) 2010-07-19 2013-10-01 National Oilwell Varco, L.P. System and method for sealing a wellbore
US8540017B2 (en) 2010-07-19 2013-09-24 National Oilwell Varco, L.P. Method and system for sealing a wellbore
WO2012121866A2 (en) 2011-03-09 2012-09-13 National Oilwell Varco, L.P. Method and apparatus for sealing a wellbore
GB201107459D0 (en) * 2011-05-05 2011-06-15 Nat Oilwell Varco Uk Ltd Seal
US10316607B2 (en) 2014-12-17 2019-06-11 Managed Pressure Operations Pte. Ltd. Pressure containment devices
US10161212B2 (en) * 2015-11-24 2018-12-25 Cameron International Corporation Packer assembly with multiple different inserts for blowout preventer
GB2567942B (en) * 2016-03-30 2019-12-11 Electrical Subsea & Drilling As Annular blowout preventer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1708261A (en) * 1926-05-28 1929-04-09 Alvin B Crowell Automatic vacuum-sealing device
US1963683A (en) * 1929-04-01 1934-06-19 William D Shaffer Means for closing off flow between well casings and inside tubings
US2609836A (en) * 1946-08-16 1952-09-09 Hydril Corp Control head and blow-out preventer
US2812197A (en) * 1955-08-16 1957-11-05 Shaffer Tool Works Toggle packer, well head preventer
US2855172A (en) * 1956-04-06 1958-10-07 Cameron Iron Works Inc Blowout preventer and ram therefor

Also Published As

Publication number Publication date
MY7400067A (en) 1974-12-31
GB1266556A (en) 1972-03-15
MY7400064A (en) 1974-12-31
US3572628A (en) 1971-03-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee