GB1387752A - Safety valve assembly for production wells - Google Patents

Safety valve assembly for production wells

Info

Publication number
GB1387752A
GB1387752A GB1960272A GB1960272A GB1387752A GB 1387752 A GB1387752 A GB 1387752A GB 1960272 A GB1960272 A GB 1960272A GB 1960272 A GB1960272 A GB 1960272A GB 1387752 A GB1387752 A GB 1387752A
Authority
GB
United Kingdom
Prior art keywords
valve assembly
safety valve
production wells
wells
production
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
Application number
GB1960272A
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.)
Schlumberger Technology Corp
Original Assignee
Schlumberger Technology 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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of GB1387752A publication Critical patent/GB1387752A/en
Expired legal-status Critical Current

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
    • E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • 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
GB1960272A 1971-04-28 1972-04-27 Safety valve assembly for production wells Expired GB1387752A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13813871A 1971-04-28 1971-04-28
US15511871A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
GB1387752A true GB1387752A (en) 1975-03-19

Family

ID=26835898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1960272A Expired GB1387752A (en) 1971-04-28 1972-04-27 Safety valve assembly for production wells

Country Status (4)

Country Link
AR (1) AR207201A1 (en)
DE (1) DE2220403A1 (en)
FR (1) FR2136734A5 (en)
GB (1) GB1387752A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163794A (en) * 1984-08-29 1986-03-05 Camco Inc Fluid level controlled safety valve
GB2245914A (en) * 1990-07-11 1992-01-15 Camco Int Orifice well safety valve with release mechanism
US7740075B2 (en) 2008-07-09 2010-06-22 Schlumberger Technology Corporation Pressure relief actuated valves

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163794A (en) * 1984-08-29 1986-03-05 Camco Inc Fluid level controlled safety valve
GB2245914A (en) * 1990-07-11 1992-01-15 Camco Int Orifice well safety valve with release mechanism
GB2245914B (en) * 1990-07-11 1994-05-11 Camco Int Orifice well safety valve with release mechanism
US7740075B2 (en) 2008-07-09 2010-06-22 Schlumberger Technology Corporation Pressure relief actuated valves

Also Published As

Publication number Publication date
DE2220403A1 (en) 1972-11-02
FR2136734A5 (en) 1972-12-22
AR207201A1 (en) 1976-09-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee