NO885119L - Undervanns broennsikkerhetsventil med hydraulisk sil. - Google Patents

Undervanns broennsikkerhetsventil med hydraulisk sil.

Info

Publication number
NO885119L
NO885119L NO88885119A NO885119A NO885119L NO 885119 L NO885119 L NO 885119L NO 88885119 A NO88885119 A NO 88885119A NO 885119 A NO885119 A NO 885119A NO 885119 L NO885119 L NO 885119L
Authority
NO
Norway
Prior art keywords
hydraulic
safety valve
passage
chamber
underwater
Prior art date
Application number
NO88885119A
Other languages
English (en)
Other versions
NO885119D0 (no
Inventor
Arthur John Morris
Jeffrey Lee Knieriemen
Original Assignee
Camco 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 Camco Inc filed Critical Camco Inc
Publication of NO885119D0 publication Critical patent/NO885119D0/no
Publication of NO885119L publication Critical patent/NO885119L/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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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

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)
  • Fluid-Pressure Circuits (AREA)

Abstract

En kombinasjon av en undervanns brønnsikkerhetsventil (10) son styres gjennoa en hydraulisk fluldlednlng soa forløper fra bronnoverflaten til sikkerhetsventilen og en hydraulisk sil soa Innbefatter et kamaer (50) plassert over en aktiverende hydraulisk steapel- og sylinderenhet (38) 1 sikkerhetsventilen. En Innløps- fluldpassasje (62) tilpasset for forbindelse for mottak av hydraulisk styrefluld fra brønnoverflaten forløper Inn 1 kammeret (50), og en utløpsfluldpassasje (60) tilpasset for forbindelse til den hydrauliske stempel- og sylinderenhet (38) 1 sikkerhetsventilen forløper Inn 1 kammeret. Den nedre ende (56) av Innløpsfluldpassa- ejen (62) er plassert mellom den øvre ende (62) av utlepsfluldpassasjen (60) for å beskytte stempel- og syllnderanordnlngen fra borkaks og etterlatenskaper. Et filter kan anordnes 1 kammeret mellom den nedre ende av Innløpsfluldpassasjen og den øvre ende av utløpsfluld- passasjen.
NO88885119A 1988-03-07 1988-11-16 Undervanns broennsikkerhetsventil med hydraulisk sil. NO885119L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/164,697 US4791991A (en) 1988-03-07 1988-03-07 Subsurface well safety valve with hydraulic strainer

Publications (2)

Publication Number Publication Date
NO885119D0 NO885119D0 (no) 1988-11-16
NO885119L true NO885119L (no) 1989-09-08

Family

ID=22595677

Family Applications (1)

Application Number Title Priority Date Filing Date
NO88885119A NO885119L (no) 1988-03-07 1988-11-16 Undervanns broennsikkerhetsventil med hydraulisk sil.

Country Status (3)

Country Link
US (1) US4791991A (no)
GB (1) GB2215365B (no)
NO (1) NO885119L (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668122A (en) * 1993-07-28 1997-09-16 Fife; Rose S. Method to treat cancer with tetracyclines
GB9525008D0 (en) * 1995-12-07 1996-02-07 Red Baron Oil Tools Rental Bypass valve
GB9710746D0 (en) * 1997-05-27 1997-07-16 Petroleum Eng Services Downhole pressure activated device
US5947206A (en) * 1997-11-25 1999-09-07 Camco International Inc. Deep-set annulus vent valve
US6237693B1 (en) 1999-08-13 2001-05-29 Camco International Inc. Failsafe safety valve and method
US6840328B2 (en) * 2002-07-11 2005-01-11 Schlumberger Technology Corporation Anti-extrusion apparatus and method
US6823945B2 (en) 2002-09-23 2004-11-30 Schlumberger Technology Corp. Pressure compensating apparatus and method for downhole tools
GB2396168B (en) * 2002-12-02 2006-01-25 Smith International Downhole deflector member and method of using same
GB0307237D0 (en) * 2003-03-28 2003-04-30 Smith International Wellbore annulus flushing valve
US7878252B2 (en) * 2007-08-20 2011-02-01 Weatherford/Lamb, Inc. Dual control line system and method for operating surface controlled sub-surface safety valve in a well
WO2011005826A1 (en) * 2009-07-09 2011-01-13 James Reaux Surface controlled subsurface safety valve assembly with primary and secondary valves
US8640769B2 (en) 2011-09-07 2014-02-04 Weatherford/Lamb, Inc. Multiple control line assembly for downhole equipment
US9080404B2 (en) 2012-11-30 2015-07-14 Dril-Quip, Inc. Method and system for interventionless hydraulic setting of equipment when performing subterranean operations
US10221656B2 (en) * 2013-12-31 2019-03-05 Sagerider, Incorporated Method and apparatus for stimulating multiple intervals
GB2535185B (en) * 2015-02-11 2021-01-13 Weatherford Uk Ltd Valve assembly
US11359442B2 (en) * 2020-06-05 2022-06-14 Baker Hughes Oilfield Operations Llc Tubular for downhole use, a downhole tubular system and method of forming a fluid passageway at a tubular for downhole use
US11208850B1 (en) * 2020-06-30 2021-12-28 Baker Hughes Oilfield Operations Llc Downhole tubular system, downhole tubular and method of forming a control line passageway at a tubular

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161219A (en) * 1978-02-27 1979-07-17 Camco, Incorporated Piston actuated well safety valve
US4202368A (en) * 1978-03-13 1980-05-13 Baker Cac, Inc. Safety valve or blowout preventer for use in a fluid transmission conduit
US4350205A (en) * 1979-03-09 1982-09-21 Schlumberger Technology Corporation Work over methods and apparatus
US4276931A (en) * 1979-10-25 1981-07-07 Tri-State Oil Tool Industries, Inc. Junk basket
US4574894A (en) * 1985-07-12 1986-03-11 Smith International, Inc. Ball actuable circulating dump valve
US4691777A (en) * 1986-04-07 1987-09-08 Otis Engineering Corporation Standing and injection valve

Also Published As

Publication number Publication date
US4791991A (en) 1988-12-20
NO885119D0 (no) 1988-11-16
GB2215365A (en) 1989-09-20
GB2215365B (en) 1991-10-02
GB8828611D0 (en) 1989-01-11

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