GB1266557A - - Google Patents

Info

Publication number
GB1266557A
GB1266557A GB1266557DA GB1266557A GB 1266557 A GB1266557 A GB 1266557A GB 1266557D A GB1266557D A GB 1266557DA GB 1266557 A GB1266557 A GB 1266557A
Authority
GB
United Kingdom
Prior art keywords
annulus
plates
constricted
radially
unconstricted
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
Other languages
English (en)
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 GB1266557A publication Critical patent/GB1266557A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/06Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers

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)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Tyre Moulding (AREA)
GB1266557D 1968-10-04 1969-08-08 Expired GB1266557A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76506168A 1968-10-04 1968-10-04

Publications (1)

Publication Number Publication Date
GB1266557A true GB1266557A (fr) 1972-03-15

Family

ID=25072531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266557D Expired GB1266557A (fr) 1968-10-04 1969-08-08

Country Status (3)

Country Link
US (1) US3572627A (fr)
GB (1) GB1266557A (fr)
MY (1) MY7400066A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089532A (en) * 1974-12-18 1978-05-16 Arkady Ivanovich Kamyshnikov Blowout preventer ram assembly
US3994472A (en) * 1975-01-17 1976-11-30 Cameron Iron Works, Inc. Annular type blowout preventer
US4007904A (en) * 1975-03-28 1977-02-15 Cameron Iron Works, Inc. Annular blowout preventer
FR2363690A1 (fr) * 1976-09-06 1978-03-31 Cameron Iron Works Inc Obturateur anti-eruption
US4099699A (en) * 1976-09-10 1978-07-11 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
US4229012A (en) * 1978-04-28 1980-10-21 Cameron Iron Works, Inc. Variable bore packer assembly for ram-type blowout preventers
US4310139A (en) * 1980-04-04 1982-01-12 Cameron Iron Works, Inc. Annular blowout preventer
US4460151A (en) * 1981-12-29 1984-07-17 Cameron Iron Works, Inc. Annular blowout preventer
US4458876A (en) * 1982-09-16 1984-07-10 Ventre Corporation Annular blowout preventer
US4900067A (en) * 1985-04-26 1990-02-13 Vetco Gray Inc. Retrievable packoff with an embedded flexible, metallic band
US4605195A (en) * 1985-05-01 1986-08-12 Hydril Company Annular blowout preventer packing unit
US5851013A (en) * 1997-07-03 1998-12-22 Hydril Company Blowout preventer packing element with metallic inserts
US8353497B2 (en) * 2008-12-15 2013-01-15 Hydril Usa Manufacturing Llc Variable radius annular and ram packing unit and method
US9109421B2 (en) * 2008-12-18 2015-08-18 Hydril USA Distribution LLC Deformation resistant opening chamber head and method
US9580988B2 (en) * 2014-12-09 2017-02-28 Hydril USA Distribution LLC Variable ram packer with strain reduction features
US10648268B2 (en) 2015-08-31 2020-05-12 Cameron International Corporation Annual blowout preventer with radial actuating member
US9938793B2 (en) * 2015-11-24 2018-04-10 Freudenberg Oil & Gas, Llc Spherical blow out preventer annular seal
US10161212B2 (en) * 2015-11-24 2018-12-25 Cameron International Corporation Packer assembly with multiple different inserts for blowout preventer
WO2017109508A1 (fr) 2015-12-23 2017-06-29 Peak Well Systems Pty Ltd Appareil de déploiement et de pliage et procédés d'utilisation
GB201522725D0 (en) 2015-12-23 2016-02-03 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
US10822882B2 (en) 2015-12-23 2020-11-03 Schlumberger Technology Corporation Downhole apparatus and method of use
US11231077B2 (en) 2015-12-23 2022-01-25 Schlumberger Technology Corporation Torque transfer apparatus and methods of use
AU2017244287B2 (en) * 2016-03-30 2022-08-04 Electrical Subsea & Drilling Annular blowout preventer
NO343133B1 (en) * 2016-03-30 2018-11-19 Electrical Subsea & Drilling As Annular blowout preventer
GB2559109B (en) 2016-11-09 2021-05-05 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
GB201710367D0 (en) 2017-06-28 2017-08-09 Peak Well Systems Pty Ltd Seal apparatus and methods of use
WO2021003415A1 (fr) 2019-07-02 2021-01-07 Schlumberger Technology Corporation Appareil extensible et rétractable à égalisation de pression d'étanchéité
CN110939401A (zh) * 2020-01-02 2020-03-31 河北新铁虎石油机械有限公司 一种梅花式板型控压装置
WO2022046691A1 (fr) 2020-08-25 2022-03-03 Schlumberger Technology Corporation Obturateur anti-éruption annulaire

Family Cites Families (4)

* 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
US2609836A (en) * 1946-08-16 1952-09-09 Hydril Corp Control head and blow-out preventer
US2846178A (en) * 1955-01-24 1958-08-05 Regan Forge & Eng Co Conical-type blowout preventer
NL302722A (fr) * 1963-02-01

Also Published As

Publication number Publication date
US3572627A (en) 1971-03-30
MY7400066A (en) 1974-12-31

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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