BR8900381A - ANNULAR ASSEMBLY TO ESTABLISH A HIGHER PRESSURE METALLIC BARRIER AMONG ADJACENT SURFACES OF CONCENTRIC TUBULAR ELEMENTS - Google Patents

ANNULAR ASSEMBLY TO ESTABLISH A HIGHER PRESSURE METALLIC BARRIER AMONG ADJACENT SURFACES OF CONCENTRIC TUBULAR ELEMENTS

Info

Publication number
BR8900381A
BR8900381A BR898900381A BR8900381A BR8900381A BR 8900381 A BR8900381 A BR 8900381A BR 898900381 A BR898900381 A BR 898900381A BR 8900381 A BR8900381 A BR 8900381A BR 8900381 A BR8900381 A BR 8900381A
Authority
BR
Brazil
Prior art keywords
establish
higher pressure
tubular elements
adjacent surfaces
annular assembly
Prior art date
Application number
BR898900381A
Other languages
Portuguese (pt)
Inventor
Bob C Hopkins
Randy J Wester
Donald M Underwood
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Publication of BR8900381A publication Critical patent/BR8900381A/en

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

  • 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)
  • Gasket Seals (AREA)
  • Earth Drilling (AREA)
  • Pipe Accessories (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
BR898900381A 1988-04-27 1989-01-30 ANNULAR ASSEMBLY TO ESTABLISH A HIGHER PRESSURE METALLIC BARRIER AMONG ADJACENT SURFACES OF CONCENTRIC TUBULAR ELEMENTS BR8900381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18699388A 1988-04-27 1988-04-27

Publications (1)

Publication Number Publication Date
BR8900381A true BR8900381A (en) 1990-03-01

Family

ID=22687176

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900381A BR8900381A (en) 1988-04-27 1989-01-30 ANNULAR ASSEMBLY TO ESTABLISH A HIGHER PRESSURE METALLIC BARRIER AMONG ADJACENT SURFACES OF CONCENTRIC TUBULAR ELEMENTS

Country Status (6)

Country Link
BR (1) BR8900381A (en)
CA (1) CA1318245C (en)
FR (1) FR2630776B1 (en)
GB (1) GB2217795B (en)
MX (1) MX171274B (en)
NO (1) NO301350B1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932472A (en) * 1989-04-26 1990-06-12 Vetco Gray Inc. Packoff with flexible section for casing hanger
US5110144A (en) * 1990-08-24 1992-05-05 Cooper Industries, Inc. Casing hanger seal assembly
US5129660A (en) * 1991-02-25 1992-07-14 Cooper Industries, Inc. Seal assembly for a well housing hanger structure
DE69219099D1 (en) * 1992-01-22 1997-05-22 Cooper Cameron Corp Hanger
US5307879A (en) * 1993-01-26 1994-05-03 Abb Vetco Gray Inc. Positive lockdown for metal seal
GB2355479B (en) 1999-10-20 2003-08-27 Vetco Gray Inc Abb Casing packoff
US6705615B2 (en) 2001-10-31 2004-03-16 Dril-Quip, Inc. Sealing system and method
NO331339B1 (en) * 2009-10-20 2011-11-28 Aker Subsea As Metal seal
US9140388B2 (en) 2010-03-22 2015-09-22 Fmc Technologies, Inc. Bi-directional seal assembly
US10954730B1 (en) 2019-06-07 2021-03-23 Qes Pressure Control Llc Pressure control for gate-valve and hot-tap drilling systems
EP4276273A1 (en) * 2022-05-12 2023-11-15 Welltec Oilfield Solutions AG Downhole sealing assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131287A (en) * 1977-07-11 1978-12-26 Exxon Production Research Company Annular seal
US4595053A (en) * 1984-06-20 1986-06-17 Hughes Tool Company Metal-to-metal seal casing hanger
US4665979A (en) * 1985-09-06 1987-05-19 Hughes Tool Company Metal casing hanger seal with expansion slots

Also Published As

Publication number Publication date
CA1318245C (en) 1993-05-25
NO885754D0 (en) 1988-12-23
MX171274B (en) 1993-10-15
FR2630776A1 (en) 1989-11-03
NO301350B1 (en) 1997-10-13
GB2217795A (en) 1989-11-01
GB2217795B (en) 1992-01-15
NO885754L (en) 1989-10-30
GB8830066D0 (en) 1989-02-22
FR2630776B1 (en) 1992-10-30

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 30/01/2004