GB1352259A - Blowout preventers - Google Patents

Blowout preventers

Info

Publication number
GB1352259A
GB1352259A GB1352259DA GB1352259A GB 1352259 A GB1352259 A GB 1352259A GB 1352259D A GB1352259D A GB 1352259DA GB 1352259 A GB1352259 A GB 1352259A
Authority
GB
United Kingdom
Prior art keywords
ram
preventer
blow
blowout preventers
disclosed
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 GB1352259A publication Critical patent/GB1352259A/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)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

1352259 Wells &c HYDRIL CO 29 Sept 1971 40772/73 Divided out of 1352258 Heading E1F The blow-out preventer disclosed in the Specification is identical with that disclosed in Specifications 1352258 and 1352260, the claims being directed to a blow-out preventer having a detachable bonnet covering a ram and movable along slides, the slides being lower than the ram to permit lateral removal of the ram from the preventer.
GB1352259D 1971-09-29 1971-09-29 Blowout preventers Expired GB1352259A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4077273 1971-09-29
GB4527471 1971-09-29

Publications (1)

Publication Number Publication Date
GB1352259A true GB1352259A (en) 1974-05-08

Family

ID=26264497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1352259D Expired GB1352259A (en) 1971-09-29 1971-09-29 Blowout preventers

Country Status (1)

Country Link
GB (1) GB1352259A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002090708A1 (en) * 2001-05-04 2002-11-14 Hydril Company Rotational mounts for blowout preventer bonnets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002090708A1 (en) * 2001-05-04 2002-11-14 Hydril Company Rotational mounts for blowout preventer bonnets
US6510897B2 (en) * 2001-05-04 2003-01-28 Hydril Company Rotational mounts for blowout preventer bonnets

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Legal Events

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