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

    • 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

  • 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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1972-03-15

Family

ID=25072531

Family Applications (1)

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

Country Status (3)

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

Families Citing this family (31)

* 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
AU2016376009B2 (en) 2015-12-23 2022-04-07 Schlumberger Technology B.V. Torque transfer apparatus and methods of use
GB201522725D0 (en) 2015-12-23 2016-02-03 Peak Well Systems Pty Ltd Expanding and collapsing apparatus and methods of use
GB2546006B (en) 2015-12-23 2020-02-19 Peak Well Systems Pty Ltd Downhole apparatus and methods of use
US10801284B2 (en) 2015-12-23 2020-10-13 Schlumberger Technology Corporation Expanding and collapsing apparatus and methods of use
NO343133B1 (en) * 2016-03-30 2018-11-19 Electrical Subsea & Drilling As Annular blowout preventer
GB2563527B (en) 2016-03-30 2021-11-24 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 (en) 2019-07-02 2021-01-07 Schlumberger Technology Corporation Expanding and collapsing apparatus with seal pressure equalization
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 (en) 2020-08-25 2022-03-03 Schlumberger Technology Corporation Annular blowout preventer
AU2021470432A1 (en) 2021-10-18 2024-05-02 Schlumberger Technology B.V. Expanding and collapsing apparatus having bookend seal cartridges

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 (enrdf_load_stackoverflow) * 1963-02-01

Also Published As

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

Similar Documents

Publication Publication Date Title
GB1266557A (enrdf_load_stackoverflow)
GB1266556A (enrdf_load_stackoverflow)
GB1294288A (en) Blowout preventer
GB958135A (en) Improvements in or relating to anchor bolts and to methods of fixing the same in drill holes
GB1283295A (en) Well packer and packing element support assembly therefor
GB1534656A (en) Multiple stage cementing of well casing in subsea wells
NO931286L (no) Hydraulisk tilsatt foringsroer-pakker
GB1512657A (en) Packer unit for well blowout preventer
ES423717A1 (es) Perfeccionamientos en la fabricacion de gatos de fluido con juntas de estanqueidad resistentes.
ES400620A1 (es) Una estructura de cierre hermetico anular susceptible de ser utilizada en bombas de alta presion y compresores o si- milares.
GB1012397A (en) Improvements in or relating to well packers
SE7700924L (sv) Tryckmedeiepaverkand koppling
GB1238275A (enrdf_load_stackoverflow)
FR2242893A5 (en) Gearshift-lever housing for diaphragm clutch on vehicle - has diaphragm attached to cover via bolts and intermediary supports
GB1466294A (en) High pressure seal
GB929528A (en) An improved piston packing for hydraulic pit props
GB1069456A (en) Improvements in piston ring spacer-expanders
GB1224430A (en) Well head completion apparatus
GB1483073A (en) Well packers
GB1162037A (en) Wellhead
GB1290058A (enrdf_load_stackoverflow)
GB1321152A (en) Devices for use with safety devices in oil wells
GB627196A (en) Improvements in or relating to control heads and blow-out preventers for well bores
GB281335A (en) Improvements in hydraulic presses
GB1434439A (en) Piston ring assembly

Legal Events

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