NO155707C - Sikkerhetsventil. - Google Patents

Sikkerhetsventil.

Info

Publication number
NO155707C
NO155707C NO793284A NO793284A NO155707C NO 155707 C NO155707 C NO 155707C NO 793284 A NO793284 A NO 793284A NO 793284 A NO793284 A NO 793284A NO 155707 C NO155707 C NO 155707C
Authority
NO
Norway
Prior art keywords
safety valve
safety
valve
Prior art date
Application number
NO793284A
Other languages
English (en)
Other versions
NO155707B (no
NO793284L (no
Inventor
Ernest P Fisher Jr
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 NO793284L publication Critical patent/NO793284L/no
Publication of NO155707B publication Critical patent/NO155707B/no
Publication of NO155707C publication Critical patent/NO155707C/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
    • E21B23/10—Tools specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B2200/04—Ball valves
NO793284A 1978-11-13 1979-10-12 Sikkerhetsventil. NO155707C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/960,168 US4193450A (en) 1978-11-13 1978-11-13 Surface controlled subsurface safety valve

Publications (3)

Publication Number Publication Date
NO793284L NO793284L (no) 1980-05-14
NO155707B NO155707B (no) 1987-02-02
NO155707C true NO155707C (no) 1987-05-13

Family

ID=25502889

Family Applications (1)

Application Number Title Priority Date Filing Date
NO793284A NO155707C (no) 1978-11-13 1979-10-12 Sikkerhetsventil.

Country Status (4)

Country Link
US (1) US4193450A (no)
CA (1) CA1130202A (no)
GB (1) GB2036133B (no)
NO (1) NO155707C (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469180A (en) * 1981-10-21 1984-09-04 Hydril Company Well fluid pressure balanced operator for subsurface safety valve
US4552219A (en) * 1983-10-05 1985-11-12 Hydril Company Subsurface safety valve
US4495998A (en) * 1984-03-12 1985-01-29 Camco, Incorporated Tubing pressure balanced well safety valve
GB2223781B (en) * 1988-10-11 1992-06-10 Camco Inc Large bore retrievable well safety valve
GB2229787A (en) * 1989-03-28 1990-10-03 Derek William Frank Clarke A mobile emergency shut off valve system
US5251702A (en) * 1991-07-16 1993-10-12 Ava International Corporation Surface controlled subsurface safety valve
BRPI0517508B1 (pt) * 2004-10-27 2016-11-22 Shell Int Research método para operar um furo de poço
MY193813A (en) 2016-03-14 2022-10-27 Halliburton Energy Services Inc Mechanisms for transferring hydraulic regulation from a primary safety valve to a secondary safety valve

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074761A (en) * 1971-12-27 1978-02-21 Hydril Company Drilling tool
US3854502A (en) * 1972-01-03 1974-12-17 Hydril Co Method and apparatus for an equalizing valve
US3860066A (en) * 1972-03-27 1975-01-14 Otis Eng Co Safety valves for wells
US4119147A (en) * 1976-10-20 1978-10-10 Otis Engineering Corporation Pumpdown safety valve
US4149698A (en) * 1977-04-13 1979-04-17 Otis Engineering Corporation Surface controlled subsurface safety valve
US4140153A (en) * 1977-05-06 1979-02-20 Otis Engineering Corporation Subsurface safety valve
US4105075A (en) * 1977-07-21 1978-08-08 Baker International Corporation Test valve having automatic bypass for formation pressure

Also Published As

Publication number Publication date
GB2036133B (en) 1982-09-08
NO155707B (no) 1987-02-02
CA1130202A (en) 1982-08-24
NO793284L (no) 1980-05-14
US4193450A (en) 1980-03-18
GB2036133A (en) 1980-06-25

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