GB2218133B - Surface controlled subsurface safety valve - Google Patents

Surface controlled subsurface safety valve

Info

Publication number
GB2218133B
GB2218133B GB8907435A GB8907435A GB2218133B GB 2218133 B GB2218133 B GB 2218133B GB 8907435 A GB8907435 A GB 8907435A GB 8907435 A GB8907435 A GB 8907435A GB 2218133 B GB2218133 B GB 2218133B
Authority
GB
United Kingdom
Prior art keywords
safety valve
subsurface safety
surface controlled
controlled subsurface
valve
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 - Fee Related
Application number
GB8907435A
Other versions
GB2218133A (en
GB8907435D0 (en
Inventor
Rennie Lee Dickson
Roddie R Smith
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.)
Otis Engineering Corp
Original Assignee
Otis Engineering 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 Otis Engineering Corp filed Critical Otis Engineering Corp
Publication of GB8907435D0 publication Critical patent/GB8907435D0/en
Publication of GB2218133A publication Critical patent/GB2218133A/en
Application granted granted Critical
Publication of GB2218133B publication Critical patent/GB2218133B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

  • 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)
  • Details Of Valves (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Magnetically Actuated Valves (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Lift Valve (AREA)
GB8907435A 1988-05-06 1989-04-03 Surface controlled subsurface safety valve Expired - Fee Related GB2218133B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19118588A 1988-05-06 1988-05-06

Publications (3)

Publication Number Publication Date
GB8907435D0 GB8907435D0 (en) 1989-05-17
GB2218133A GB2218133A (en) 1989-11-08
GB2218133B true GB2218133B (en) 1992-01-22

Family

ID=22704459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8907435A Expired - Fee Related GB2218133B (en) 1988-05-06 1989-04-03 Surface controlled subsurface safety valve

Country Status (5)

Country Link
BR (1) BR8902482A (en)
CA (1) CA1317280C (en)
GB (1) GB2218133B (en)
NO (1) NO179420C (en)
SG (1) SG42892G (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0996826B1 (en) * 1997-07-18 2003-04-09 Dresser Industries Inc. Hydraulic fluid actuator with metal to metal seals
US11920435B2 (en) 2019-05-24 2024-03-05 Halliburton Energy Services, Inc. Sub-surface safety valve assembly

Also Published As

Publication number Publication date
GB2218133A (en) 1989-11-08
NO891307L (en) 1989-11-07
NO179420B (en) 1996-06-24
CA1317280C (en) 1993-05-04
BR8902482A (en) 1990-01-16
NO179420C (en) 1996-10-02
NO891307D0 (en) 1989-03-29
SG42892G (en) 1992-06-12
GB8907435D0 (en) 1989-05-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030403