GB1352260A - Blowout preventers - Google Patents

Blowout preventers

Info

Publication number
GB1352260A
GB1352260A GB1352260DA GB1352260A GB 1352260 A GB1352260 A GB 1352260A GB 1352260D A GB1352260D A GB 1352260DA GB 1352260 A GB1352260 A GB 1352260A
Authority
GB
United Kingdom
Prior art keywords
blow
blowout preventers
out preventer
ram
hydril
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
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.)
Hydril LLC
Original Assignee
Hydril LLC
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 Hydril LLC filed Critical Hydril LLC
Publication of GB1352260A publication Critical patent/GB1352260A/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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Catching Or Destruction (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

1352260 Wells &c HYDRIL CO 29 Sept 1971 40773/73 Heading E1F The blow-out preventer disclosed in this Specification is identical with that described in Specifications 1352258 and 1352259, the claims being directed to a blow-out preventer having a detachable bonnet covering a ram and in which flexible conduits supply fluid to the sides of the ram moving piston.
GB1352260D 1971-09-29 1971-09-29 Blowout preventers Expired GB1352260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4077373 1971-09-29

Publications (1)

Publication Number Publication Date
GB1352260A true GB1352260A (en) 1974-05-08

Family

ID=10416541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1352260D Expired GB1352260A (en) 1971-09-29 1971-09-29 Blowout preventers

Country Status (1)

Country Link
GB (1) GB1352260A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132496A2 (en) 2007-04-27 2008-11-06 National Oilwell Varco, L.P. Blowout preventer
US8540017B2 (en) 2010-07-19 2013-09-24 National Oilwell Varco, L.P. Method and system for sealing a wellbore
US8544538B2 (en) 2010-07-19 2013-10-01 National Oilwell Varco, L.P. System and method for sealing a wellbore
US8844898B2 (en) 2009-03-31 2014-09-30 National Oilwell Varco, L.P. Blowout preventer with ram socketing
US8978751B2 (en) 2011-03-09 2015-03-17 National Oilwell Varco, L.P. Method and apparatus for sealing a wellbore
US9169713B2 (en) 2012-04-10 2015-10-27 National Oilwell Varco, L.P. Blowout preventer with locking ram assembly and method of using same
US9169712B2 (en) 2012-04-10 2015-10-27 National Oilwell Varco, L.P. Blowout preventer locking door assembly and method of using same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132496A2 (en) 2007-04-27 2008-11-06 National Oilwell Varco, L.P. Blowout preventer
WO2008132496A3 (en) * 2007-04-27 2008-12-24 Nat Oilwell Varco Lp Blowout preventer
US7798466B2 (en) 2007-04-27 2010-09-21 Varco I/P, Inc. Ram locking blowout preventer
US8844898B2 (en) 2009-03-31 2014-09-30 National Oilwell Varco, L.P. Blowout preventer with ram socketing
US8540017B2 (en) 2010-07-19 2013-09-24 National Oilwell Varco, L.P. Method and system for sealing a wellbore
US8544538B2 (en) 2010-07-19 2013-10-01 National Oilwell Varco, L.P. System and method for sealing a wellbore
US8978751B2 (en) 2011-03-09 2015-03-17 National Oilwell Varco, L.P. Method and apparatus for sealing a wellbore
US9169713B2 (en) 2012-04-10 2015-10-27 National Oilwell Varco, L.P. Blowout preventer with locking ram assembly and method of using same
US9169712B2 (en) 2012-04-10 2015-10-27 National Oilwell Varco, L.P. Blowout preventer locking door assembly and method of using same
USRE47771E1 (en) 2012-04-10 2019-12-17 National Oilwell Varco, L.P. Blowout preventer with locking ram assembly and method of using same

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Legal Events

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