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GB2176547B - Retrievable packoff - Google Patents

Retrievable packoff

Info

Publication number
GB2176547B
GB2176547B GB08609008A GB8609008A GB2176547B GB 2176547 B GB2176547 B GB 2176547B GB 08609008 A GB08609008 A GB 08609008A GB 8609008 A GB8609008 A GB 8609008A GB 2176547 B GB2176547 B GB 2176547B
Authority
GB
United Kingdom
Prior art keywords
packoff
retrievable
retrievable packoff
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
GB08609008A
Other versions
GB2176547A (en
GB8609008D0 (en
Inventor
Martin Bern Jansen
John Robert Pettit
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.)
Vetco Inc
Original Assignee
Vetco Offshore Industries Inc
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 Vetco Offshore Industries Inc filed Critical Vetco Offshore Industries Inc
Publication of GB8609008D0 publication Critical patent/GB8609008D0/en
Publication of GB2176547A publication Critical patent/GB2176547A/en
Application granted granted Critical
Publication of GB2176547B publication Critical patent/GB2176547B/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
    • E21B33/04—Casing heads; Suspending casings or tubings in well heads
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/01—Sealings characterised by their shape

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)
  • Gasket Seals (AREA)
  • Toys (AREA)
GB08609008A 1985-04-26 1986-04-14 Retrievable packoff Expired GB2176547B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72749285A 1985-04-26 1985-04-26

Publications (3)

Publication Number Publication Date
GB8609008D0 GB8609008D0 (en) 1986-05-21
GB2176547A GB2176547A (en) 1986-12-31
GB2176547B true GB2176547B (en) 1988-09-14

Family

ID=24922890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08609008A Expired GB2176547B (en) 1985-04-26 1986-04-14 Retrievable packoff

Country Status (7)

Country Link
AU (1) AU591485B2 (en)
BR (1) BR8601862A (en)
CA (1) CA1255208A (en)
FR (1) FR2581125B1 (en)
GB (1) GB2176547B (en)
NO (1) NO172603C (en)
SG (1) SG14289G (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8615797D0 (en) * 1986-06-27 1986-08-06 Nat Supply Co Uk Ltd Contingency pack-off assembly
US5174376A (en) * 1990-12-21 1992-12-29 Fmc Corporation Metal-to-metal annulus packoff for a subsea wellhead system
GB2362906B (en) 2000-05-26 2004-09-22 Vetco Gray Inc Abb Small diameter external production riser tieback connector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561527A (en) * 1968-11-01 1971-02-09 Vetco Offshore Ind Inc Hydraulically set casing hanger apparatus and packing sleeve
US4324422A (en) * 1980-02-27 1982-04-13 Vetco Offshore, Inc. Low torque pack-off seal assembly with retrievable lower section
US4488740A (en) * 1982-02-19 1984-12-18 Smith International, Inc. Breech block hanger support
GB2114630B (en) * 1982-02-16 1986-07-02 Smith International Subsea wellhead system

Also Published As

Publication number Publication date
BR8601862A (en) 1987-04-07
NO172603B (en) 1993-05-03
NO172603C (en) 1993-08-11
NO861590L (en) 1986-10-27
FR2581125A1 (en) 1986-10-31
SG14289G (en) 1989-07-07
CA1255208A (en) 1989-06-06
AU5657186A (en) 1987-10-29
AU591485B2 (en) 1989-12-07
GB2176547A (en) 1986-12-31
FR2581125B1 (en) 1989-04-07
GB8609008D0 (en) 1986-05-21

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Legal Events

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

Effective date: 19940414