FR2026959A1 - - Google Patents

Info

Publication number
FR2026959A1
FR2026959A1 FR6944626A FR6944626A FR2026959A1 FR 2026959 A1 FR2026959 A1 FR 2026959A1 FR 6944626 A FR6944626 A FR 6944626A FR 6944626 A FR6944626 A FR 6944626A FR 2026959 A1 FR2026959 A1 FR 2026959A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6944626A
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 FR2026959A1 publication Critical patent/FR2026959A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B33/064—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers specially adapted for underwater well heads
FR6944626A 1968-12-23 1969-12-23 Withdrawn FR2026959A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78589168A 1968-12-23 1968-12-23

Publications (1)

Publication Number Publication Date
FR2026959A1 true FR2026959A1 (fr) 1970-09-25

Family

ID=25136947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6944626A Withdrawn FR2026959A1 (fr) 1968-12-23 1969-12-23

Country Status (6)

Country Link
US (1) US3533468A (fr)
BE (1) BE743645A (fr)
DE (1) DE1964662A1 (fr)
FR (1) FR2026959A1 (fr)
GB (1) GB1248499A (fr)
NL (1) NL144028B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394738A1 (fr) * 1977-06-17 1979-01-12 Lissmyr Per Olof Dispositif de fermeture d'une extremite de tuyau

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3695349A (en) * 1970-03-19 1972-10-03 Hydril Co Well blowout preventer control pressure modulator
US3662823A (en) * 1970-07-31 1972-05-16 Hydril Co Replacement of sub-sea blow-out preventer packing units
US3762725A (en) * 1971-05-20 1973-10-02 Otis Eng Corp Wireline stuffing box and sheave
US3866679A (en) * 1972-10-25 1975-02-18 Otis Eng Co Apparatus for inserting flexible pipe into wells
US3884261A (en) * 1973-11-26 1975-05-20 Frank Clynch Remotely activated valve
US4098341A (en) * 1977-02-28 1978-07-04 Hydril Company Rotating blowout preventer apparatus
US4461448A (en) * 1981-06-25 1984-07-24 Hydril Company Well blowout preventer, and packing element
US4447037A (en) * 1981-06-25 1984-05-08 Hydril Company Well blowout preventer, and packing element
US4452421A (en) * 1981-06-25 1984-06-05 Hydril Company Well blowout preventer, and packing element
US4657263A (en) * 1983-04-18 1987-04-14 Hydril Company Annular packing unit and insert
US4605195A (en) * 1985-05-01 1986-08-12 Hydril Company Annular blowout preventer packing unit
US5074518A (en) * 1990-11-02 1991-12-24 Hydratech Proportional annular B.O.P. controller
GB2500188B (en) * 2012-03-12 2019-07-17 Managed Pressure Operations Blowout preventer assembly
GB2501094A (en) 2012-04-11 2013-10-16 Managed Pressure Operations Method of handling a gas influx in a riser
US10309191B2 (en) 2012-03-12 2019-06-04 Managed Pressure Operations Pte. Ltd. Method of and apparatus for drilling a subterranean wellbore
US9121245B2 (en) * 2013-11-22 2015-09-01 Zp Interests, Llc Spherical-annular blowout preventer having a plurality of pistons
CN114645687B (zh) * 2020-12-17 2023-04-11 中国石油化工股份有限公司 一种复合坐封方式的防喷器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846178A (en) * 1955-01-24 1958-08-05 Regan Forge & Eng Co Conical-type blowout preventer
FR1380079A (fr) * 1964-01-14 1964-11-27 Shaffer Tool Works Vanne d'éruption pour puits de pétrole
US3222075A (en) * 1961-08-30 1965-12-07 Shell Oil Co Underwater blowout preventer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846178A (en) * 1955-01-24 1958-08-05 Regan Forge & Eng Co Conical-type blowout preventer
US3222075A (en) * 1961-08-30 1965-12-07 Shell Oil Co Underwater blowout preventer
FR1380079A (fr) * 1964-01-14 1964-11-27 Shaffer Tool Works Vanne d'éruption pour puits de pétrole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394738A1 (fr) * 1977-06-17 1979-01-12 Lissmyr Per Olof Dispositif de fermeture d'une extremite de tuyau

Also Published As

Publication number Publication date
GB1248499A (en) 1971-10-06
BE743645A (fr) 1970-06-23
US3533468A (en) 1970-10-13
NL6919329A (fr) 1970-06-25
DE1964662A1 (de) 1970-07-09
NL144028B (nl) 1974-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse