FR2602848B1 - Vanne de securite a clapet perfectionne pour puits petrolier - Google Patents

Vanne de securite a clapet perfectionne pour puits petrolier

Info

Publication number
FR2602848B1
FR2602848B1 FR8611421A FR8611421A FR2602848B1 FR 2602848 B1 FR2602848 B1 FR 2602848B1 FR 8611421 A FR8611421 A FR 8611421A FR 8611421 A FR8611421 A FR 8611421A FR 2602848 B1 FR2602848 B1 FR 2602848B1
Authority
FR
France
Prior art keywords
valve
oil wells
improved
safety valve
safety
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
FR8611421A
Other languages
English (en)
Other versions
FR2602848A1 (fr
Inventor
Jean-Luc Jacob
Jean-Claude Mousques
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.)
Diamant Boart NV SA
Diamant Boart France SA
Original Assignee
Diamant Boart NV SA
Diamant Boart France SA
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 Diamant Boart NV SA, Diamant Boart France SA filed Critical Diamant Boart NV SA
Priority to FR8611421A priority Critical patent/FR2602848B1/fr
Priority to US06/924,367 priority patent/US4776400A/en
Publication of FR2602848A1 publication Critical patent/FR2602848A1/fr
Application granted granted Critical
Publication of FR2602848B1 publication Critical patent/FR2602848B1/fr
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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
    • 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
    • E21B2200/05—Flapper valves
FR8611421A 1986-07-29 1986-07-29 Vanne de securite a clapet perfectionne pour puits petrolier Expired FR2602848B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8611421A FR2602848B1 (fr) 1986-07-29 1986-07-29 Vanne de securite a clapet perfectionne pour puits petrolier
US06/924,367 US4776400A (en) 1986-07-29 1986-10-29 Oil-well flap-type safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8611421A FR2602848B1 (fr) 1986-07-29 1986-07-29 Vanne de securite a clapet perfectionne pour puits petrolier

Publications (2)

Publication Number Publication Date
FR2602848A1 FR2602848A1 (fr) 1988-02-19
FR2602848B1 true FR2602848B1 (fr) 1988-11-25

Family

ID=9338108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8611421A Expired FR2602848B1 (fr) 1986-07-29 1986-07-29 Vanne de securite a clapet perfectionne pour puits petrolier

Country Status (2)

Country Link
US (1) US4776400A (fr)
FR (1) FR2602848B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634819A1 (fr) * 1988-07-29 1990-02-02 Merip Oil Tools Int Vanne de securite pour puits petrolier destinee notamment a etre inseree dans un manchon receptacle sans epaulement d'arret
US4986358A (en) * 1990-04-16 1991-01-22 Camco International Inc. Flapper mount for well safety valve
US6772842B2 (en) 2002-06-27 2004-08-10 Schlumberger Technology Corporation Curved flapper valve

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865141A (en) * 1973-06-29 1975-02-11 Schlumberger Technology Corp Subsurface safety valve apparatus
NO144227B (no) * 1974-02-06 Soc Nat Elf Aquitaine (Production), Anordning ved hydraulisk sikkerhetsventil.
SU676798A1 (ru) * 1976-04-22 1979-07-30 В. Я. Протасов Забойный клапан-отсекатель конструкции в. .протасова
GB1575129A (en) * 1977-10-21 1980-09-17 Crane Co Wafer-type swing check valve
US4216830A (en) * 1978-11-02 1980-08-12 Otis Engineering Corporation Flapper valve
US4415036A (en) * 1982-02-22 1983-11-15 Baker Oil Tools, Inc. Pressure equalizing flapper type safety valve for subterranean wells
US4457376A (en) * 1982-05-17 1984-07-03 Baker Oil Tools, Inc. Flapper type safety valve for subterranean wells
DE3344480A1 (de) * 1983-12-06 1985-06-20 Moller, Falk von, Dipl.-Ing. (FH), 3100 Celle Sicherheits-absperrventil
US4641707A (en) * 1984-10-22 1987-02-10 Ava International Corporation Well apparatus
US4597445A (en) * 1985-02-19 1986-07-01 Camco, Incorporated Well subsurface safety valve

Also Published As

Publication number Publication date
US4776400A (en) 1988-10-11
FR2602848A1 (fr) 1988-02-19

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Legal Events

Date Code Title Description
TP Transmission of property
GC Lien (pledge) constituted
GC Lien (pledge) constituted
ST Notification of lapse
ST Notification of lapse
ST Notification of lapse
RN Application for restoration
RN Application for restoration
ST Notification of lapse