FR1407798A - Bottom safety valve for well operation - Google Patents

Bottom safety valve for well operation

Info

Publication number
FR1407798A
FR1407798A FR979545A FR979545A FR1407798A FR 1407798 A FR1407798 A FR 1407798A FR 979545 A FR979545 A FR 979545A FR 979545 A FR979545 A FR 979545A FR 1407798 A FR1407798 A FR 1407798A
Authority
FR
France
Prior art keywords
safety valve
well operation
bottom safety
well
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
Application number
FR979545A
Other languages
French (fr)
Inventor
Yvan Berger
Pierre Chaloupy
Joseph Ott
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.)
Societe Nationale des Petroles dAquitaine SA
Original Assignee
Societe Nationale des Petroles dAquitaine 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 Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA
Priority to FR979545A priority Critical patent/FR1407798A/en
Application granted granted Critical
Publication of FR1407798A publication Critical patent/FR1407798A/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
FR979545A 1964-06-25 1964-06-25 Bottom safety valve for well operation Expired FR1407798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR979545A FR1407798A (en) 1964-06-25 1964-06-25 Bottom safety valve for well operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979545A FR1407798A (en) 1964-06-25 1964-06-25 Bottom safety valve for well operation

Publications (1)

Publication Number Publication Date
FR1407798A true FR1407798A (en) 1965-08-06

Family

ID=8833150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979545A Expired FR1407798A (en) 1964-06-25 1964-06-25 Bottom safety valve for well operation

Country Status (1)

Country Link
FR (1) FR1407798A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001021934A1 (en) * 1999-09-21 2001-03-29 Shell Internationale Research Maatschappij B.V. Downhole safety valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001021934A1 (en) * 1999-09-21 2001-03-29 Shell Internationale Research Maatschappij B.V. Downhole safety valve
AU761584B2 (en) * 1999-09-21 2003-06-05 Shell Internationale Research Maatschappij B.V. Downhole safety valve

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