NO20101465L - Undersjoisk sikkerhetsventil med flere fjaerer - Google Patents

Undersjoisk sikkerhetsventil med flere fjaerer

Info

Publication number
NO20101465L
NO20101465L NO20101465A NO20101465A NO20101465L NO 20101465 L NO20101465 L NO 20101465L NO 20101465 A NO20101465 A NO 20101465A NO 20101465 A NO20101465 A NO 20101465A NO 20101465 L NO20101465 L NO 20101465L
Authority
NO
Norway
Prior art keywords
springs
valve according
flow tube
valve
housing
Prior art date
Application number
NO20101465A
Other languages
English (en)
Norwegian (no)
Inventor
John E Burris
Allen P Carney
Troy L Smith
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO20101465L publication Critical patent/NO20101465L/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
    • E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve

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)
  • Safety Valves (AREA)
NO20101465A 2008-03-24 2010-10-18 Undersjoisk sikkerhetsventil med flere fjaerer NO20101465L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/054,127 US20090236099A1 (en) 2008-03-24 2008-03-24 Multiple Spring Subsurface Safety Valve
PCT/US2009/037701 WO2009120581A2 (en) 2008-03-24 2009-03-19 Multiple spring subsurface safety valve

Publications (1)

Publication Number Publication Date
NO20101465L true NO20101465L (no) 2010-11-08

Family

ID=41087749

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20101465A NO20101465L (no) 2008-03-24 2010-10-18 Undersjoisk sikkerhetsventil med flere fjaerer

Country Status (5)

Country Link
US (1) US20090236099A1 (pt)
AU (1) AU2009228563A1 (pt)
BR (1) BRPI0909481A2 (pt)
NO (1) NO20101465L (pt)
WO (1) WO2009120581A2 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8857785B2 (en) 2011-02-23 2014-10-14 Baker Hughes Incorporated Thermo-hydraulically actuated process control valve
CN107975354B (zh) * 2017-11-23 2019-11-26 中国海洋石油集团有限公司 压力换向装置
US11408252B2 (en) * 2020-08-26 2022-08-09 Baker Hughes Oilfield Operations Llc Surface controlled subsurface safety valve (SCSSV) system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889751A (en) * 1974-02-01 1975-06-17 Exxon Production Research Co Subsurface safety valve
US4428557A (en) * 1979-09-13 1984-01-31 Otis Engineering Corporation Single line deep depth safety valve
US4372333A (en) * 1981-08-24 1983-02-08 Baker Cac, Inc. Valve actuating apparatus and method
US4524830A (en) * 1983-07-05 1985-06-25 Otis Engineering Corporation Landing nipple with subsurface safety valve
US4619320A (en) * 1984-03-02 1986-10-28 Memory Metals, Inc. Subsurface well safety valve and control system
US4664195A (en) * 1986-01-31 1987-05-12 Otis Engineering Corporation Safety valve
US4945993A (en) * 1988-05-06 1990-08-07 Otis Engineering Corporation Surface controlled subsurface safety valve
US6055213A (en) * 1990-07-09 2000-04-25 Baker Hughes Incorporated Subsurface well apparatus
NO932900L (no) * 1992-08-21 1994-02-22 Ava Int Corp Broennsikringsventil
US5564675A (en) * 1994-10-19 1996-10-15 Camco International Inc. Subsurface safety valve of minimized length
US5897095A (en) * 1996-08-08 1999-04-27 Baker Hughes Incorporated Subsurface safety valve actuation pressure amplifier
US6050346A (en) * 1998-02-12 2000-04-18 Baker Hughes Incorporated High torque, low speed mud motor for use in drilling oil and gas wells
US6427778B1 (en) * 2000-05-18 2002-08-06 Baker Hughes Incorporated Control system for deep set subsurface valves

Also Published As

Publication number Publication date
US20090236099A1 (en) 2009-09-24
WO2009120581A2 (en) 2009-10-01
WO2009120581A3 (en) 2010-01-07
BRPI0909481A2 (pt) 2015-12-22
AU2009228563A1 (en) 2009-10-01

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application