BR8406796A - Unidade de vedacao anular e insercao - Google Patents

Unidade de vedacao anular e insercao

Info

Publication number
BR8406796A
BR8406796A BR8406796A BR8406796A BR8406796A BR 8406796 A BR8406796 A BR 8406796A BR 8406796 A BR8406796 A BR 8406796A BR 8406796 A BR8406796 A BR 8406796A BR 8406796 A BR8406796 A BR 8406796A
Authority
BR
Brazil
Prior art keywords
insert
sealing unit
annual sealing
annual
unit
Prior art date
Application number
BR8406796A
Other languages
English (en)
Inventor
Joseph H Hynes
James A Burton
Original Assignee
Hydril Co
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 Co filed Critical Hydril Co
Publication of BR8406796A publication Critical patent/BR8406796A/pt

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

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Piles And Underground Anchors (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Gasket Seals (AREA)
  • Sampling And Sample Adjustment (AREA)
BR8406796A 1983-04-18 1984-04-06 Unidade de vedacao anular e insercao BR8406796A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48561983A 1983-04-18 1983-04-18
PCT/US1984/000507 WO1984004130A1 (en) 1983-04-18 1984-04-06 Annular packing unit and insert

Publications (1)

Publication Number Publication Date
BR8406796A true BR8406796A (pt) 1985-03-19

Family

ID=23928839

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8406796A BR8406796A (pt) 1983-04-18 1984-04-06 Unidade de vedacao anular e insercao

Country Status (6)

Country Link
EP (1) EP0139724B1 (pt)
JP (1) JPS60501068A (pt)
BR (1) BR8406796A (pt)
CA (1) CA1209468A (pt)
DE (1) DE3464944D1 (pt)
WO (1) WO1984004130A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605195A (en) * 1985-05-01 1986-08-12 Hydril Company Annular blowout preventer packing unit
US20080023917A1 (en) * 2006-07-28 2008-01-31 Hydril Company Lp Seal for blowout preventer with selective debonding

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609836A (en) * 1946-08-16 1952-09-09 Hydril Corp Control head and blow-out preventer
US2832617A (en) * 1954-05-13 1958-04-29 Shaffer Tool Works Stationary, well head preventer
US2846178A (en) * 1955-01-24 1958-08-05 Regan Forge & Eng Co Conical-type blowout preventer
US2812197A (en) * 1955-08-16 1957-11-05 Shaffer Tool Works Toggle packer, well head preventer
NL302722A (pt) * 1963-02-01
US3917293A (en) * 1974-06-26 1975-11-04 Hydril Co Controlled closing pattern packing unit for blowout preventer
US3958808A (en) * 1974-06-26 1976-05-25 Hydril Company Controlled closing pattern packing unit for blowout preventer
US4461448A (en) * 1981-06-25 1984-07-24 Hydril Company Well blowout preventer, and packing element

Also Published As

Publication number Publication date
EP0139724A1 (en) 1985-05-08
DE3464944D1 (en) 1987-08-27
WO1984004130A1 (en) 1984-10-25
EP0139724B1 (en) 1987-07-22
CA1209468A (en) 1986-08-12
JPS60501068A (ja) 1985-07-11

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 06/04/99