NO891307L - Fjernstyrt sikkerhetsventil. - Google Patents

Fjernstyrt sikkerhetsventil.

Info

Publication number
NO891307L
NO891307L NO89891307A NO891307A NO891307L NO 891307 L NO891307 L NO 891307L NO 89891307 A NO89891307 A NO 89891307A NO 891307 A NO891307 A NO 891307A NO 891307 L NO891307 L NO 891307L
Authority
NO
Norway
Prior art keywords
control valve
remote control
remote
valve
control
Prior art date
Application number
NO89891307A
Other languages
English (en)
Other versions
NO891307D0 (no
NO179420C (no
NO179420B (no
Inventor
Rennie L Dickson
Roddie R Smith
Original Assignee
Otis Eng Co
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 Eng Co filed Critical Otis Eng Co
Publication of NO891307D0 publication Critical patent/NO891307D0/no
Publication of NO891307L publication Critical patent/NO891307L/no
Publication of NO179420B publication Critical patent/NO179420B/no
Publication of NO179420C publication Critical patent/NO179420C/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

  • 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)
  • Lift Valve (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Magnetically Actuated Valves (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Details Of Valves (AREA)
NO891307A 1988-05-06 1989-03-29 Overflatestyrt brönnsikringsventil NO179420C (no)

Applications Claiming Priority (1)

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

Publications (4)

Publication Number Publication Date
NO891307D0 NO891307D0 (no) 1989-03-29
NO891307L true NO891307L (no) 1989-11-07
NO179420B NO179420B (no) 1996-06-24
NO179420C NO179420C (no) 1996-10-02

Family

ID=22704459

Family Applications (1)

Application Number Title Priority Date Filing Date
NO891307A NO179420C (no) 1988-05-06 1989-03-29 Overflatestyrt brönnsikringsventil

Country Status (5)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2302376A1 (en) * 1997-07-18 1999-01-28 Dresser Industries, Inc. Hydraulic fluid actuator with metal to metal seals
WO2020242446A1 (en) 2019-05-24 2020-12-03 Halliburton Energy Services, Inc. A-sub-surface safety valve assembly

Also Published As

Publication number Publication date
NO891307D0 (no) 1989-03-29
NO179420C (no) 1996-10-02
GB2218133A (en) 1989-11-08
GB2218133B (en) 1992-01-22
NO179420B (no) 1996-06-24
GB8907435D0 (en) 1989-05-17
BR8902482A (pt) 1990-01-16
CA1317280C (en) 1993-05-04
SG42892G (en) 1992-06-12

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN SEPTEMBER 2003