FR2315047A1 - Vanne de securite pour puits, notamment pour puits de petrole - Google Patents

Vanne de securite pour puits, notamment pour puits de petrole

Info

Publication number
FR2315047A1
FR2315047A1 FR7518706A FR7518706A FR2315047A1 FR 2315047 A1 FR2315047 A1 FR 2315047A1 FR 7518706 A FR7518706 A FR 7518706A FR 7518706 A FR7518706 A FR 7518706A FR 2315047 A1 FR2315047 A1 FR 2315047A1
Authority
FR
France
Prior art keywords
open
closed positions
safety valve
seats
rotating
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.)
Granted
Application number
FR7518706A
Other languages
English (en)
French (fr)
Other versions
FR2315047B1 (enrdf_load_stackoverflow
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.)
Hydril LLC
Original Assignee
Hydril LLC
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 Hydril LLC filed Critical Hydril LLC
Priority to FR7518706A priority Critical patent/FR2315047A1/fr
Publication of FR2315047A1 publication Critical patent/FR2315047A1/fr
Application granted granted Critical
Publication of FR2315047B1 publication Critical patent/FR2315047B1/fr
Granted legal-status Critical Current

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
    • 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
    • E21B34/106—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 the retrievable element being a secondary control fluid actuated valve landed into the bore of a first inoperative control fluid actuated valve
    • 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
    • E21B2200/04—Ball valves

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Taps Or Cocks (AREA)
FR7518706A 1975-06-16 1975-06-16 Vanne de securite pour puits, notamment pour puits de petrole Granted FR2315047A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7518706A FR2315047A1 (fr) 1975-06-16 1975-06-16 Vanne de securite pour puits, notamment pour puits de petrole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7518706A FR2315047A1 (fr) 1975-06-16 1975-06-16 Vanne de securite pour puits, notamment pour puits de petrole

Publications (2)

Publication Number Publication Date
FR2315047A1 true FR2315047A1 (fr) 1977-01-14
FR2315047B1 FR2315047B1 (enrdf_load_stackoverflow) 1984-05-18

Family

ID=9156555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518706A Granted FR2315047A1 (fr) 1975-06-16 1975-06-16 Vanne de securite pour puits, notamment pour puits de petrole

Country Status (1)

Country Link
FR (1) FR2315047A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2315047B1 (enrdf_load_stackoverflow) 1984-05-18

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Legal Events

Date Code Title Description
ST Notification of lapse