NO931558D0 - Sikkerhetsventil for undergrunns-roerledning - Google Patents

Sikkerhetsventil for undergrunns-roerledning

Info

Publication number
NO931558D0
NO931558D0 NO931558A NO931558A NO931558D0 NO 931558 D0 NO931558 D0 NO 931558D0 NO 931558 A NO931558 A NO 931558A NO 931558 A NO931558 A NO 931558A NO 931558 D0 NO931558 D0 NO 931558D0
Authority
NO
Norway
Prior art keywords
pipe
safety valve
underground
underground pipe
safety
Prior art date
Application number
NO931558A
Other languages
English (en)
Other versions
NO931558L (no
Inventor
Neil Hoover Akkerman
Thomas Robert Buckner
Original Assignee
Ava Int 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 Ava Int Corp filed Critical Ava Int Corp
Publication of NO931558D0 publication Critical patent/NO931558D0/no
Publication of NO931558L publication Critical patent/NO931558L/no

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/105—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid
    • 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
    • E21B2200/05—Flapper valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7866—Plural seating
    • Y10T137/7867—Sequential
    • Y10T137/7868—Resilient gasket

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)
  • Lift Valve (AREA)
NO93931558A 1992-05-01 1993-04-29 Sikkerhetsventil for undergrunns-roerledning NO931558L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/877,828 US5263847A (en) 1992-05-01 1992-05-01 Subsurface tubing safety valve

Publications (2)

Publication Number Publication Date
NO931558D0 true NO931558D0 (no) 1993-04-29
NO931558L NO931558L (no) 1993-11-02

Family

ID=25370813

Family Applications (1)

Application Number Title Priority Date Filing Date
NO93931558A NO931558L (no) 1992-05-01 1993-04-29 Sikkerhetsventil for undergrunns-roerledning

Country Status (4)

Country Link
US (1) US5263847A (no)
GB (1) GB2266548A (no)
NL (1) NL9300714A (no)
NO (1) NO931558L (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1610497A (en) * 1996-02-03 1997-08-22 Ocre (Scotland) Limited Improved downhole apparatus
US5682921A (en) * 1996-05-28 1997-11-04 Baker Hughes Incorporated Undulating transverse interface for curved flapper seal
US6315047B1 (en) 1998-09-21 2001-11-13 Schlumberger Technology Corporation Eccentric subsurface safety valve
US6196261B1 (en) 1999-05-11 2001-03-06 Halliburton Energy Services, Inc. Flapper valve assembly with seat having load bearing shoulder
US6263910B1 (en) 1999-05-11 2001-07-24 Halliburton Energy Services, Inc. Valve with secondary load bearing surface
US6523614B2 (en) 2001-04-19 2003-02-25 Halliburton Energy Services, Inc. Subsurface safety valve lock out and communication tool and method for use of the same
US6854519B2 (en) * 2002-05-03 2005-02-15 Weatherford/Lamb, Inc. Subsurface valve with system and method for sealing
US6772842B2 (en) 2002-06-27 2004-08-10 Schlumberger Technology Corporation Curved flapper valve
CA2636887C (en) * 2003-10-27 2012-03-13 Baker Hughes Incorporated Tubing retrievable safety valve and method
US20090229829A1 (en) * 2008-03-17 2009-09-17 Hemiwedge Valve Corporation Hydraulic Bi-Directional Rotary Isolation Valve
US8651188B2 (en) * 2009-12-30 2014-02-18 Schlumberger Technology Corporation Gas lift barrier valve
US9068661B2 (en) 2012-06-06 2015-06-30 Baker Hughes Incorporated Curved flapper seal with stepped intermediate surface
US10443348B2 (en) 2014-12-31 2019-10-15 Halliburton Energy Services, Inc. Flapper and seat with a hard and soft seal for a subsurface safety valve
US11506020B2 (en) 2021-03-26 2022-11-22 Halliburton Energy Services, Inc. Textured resilient seal for a subsurface safety valve
US11913305B1 (en) * 2023-02-14 2024-02-27 Baker Hughes Oilfield Operations Llc Seal arrangement, method, and system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2162578A (en) * 1937-05-27 1939-06-13 Marcus L Hacker Core barrel operated float valve
DE2026137A1 (de) * 1970-05-29 1971-12-09 Gerdts Gustav F Kg Rückschlagklappe
US4433702A (en) * 1981-07-06 1984-02-28 Baker International Corporation Fully opening flapper valve apparatus
US4427071A (en) * 1982-02-18 1984-01-24 Baker Oil Tools, Inc. Flapper type safety valve for subterranean wells
US4457376A (en) * 1982-05-17 1984-07-03 Baker Oil Tools, Inc. Flapper type safety valve for subterranean wells
US4583596A (en) * 1985-09-13 1986-04-22 Camco, Incorporated Dual metal seal for a well safety valve
US4674575A (en) * 1986-04-11 1987-06-23 Baker Oil Tools, Inc. Sealing system for downhole well valves
US4716968A (en) * 1987-01-12 1988-01-05 Camco, Incorporated Double seated well valve
US4834183A (en) * 1988-02-16 1989-05-30 Otis Engineering Corporation Surface controlled subsurface safety valve
US5137090A (en) * 1991-05-03 1992-08-11 Ava International Corporation Subsurface tubing safety valve
US5125457A (en) * 1991-06-11 1992-06-30 Otis Engineering Corporation Resilient seal for curved flapper valve

Also Published As

Publication number Publication date
GB9308913D0 (en) 1993-06-16
US5263847A (en) 1993-11-23
NL9300714A (nl) 1993-12-01
GB2266548A (en) 1993-11-03
NO931558L (no) 1993-11-02

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