DE2313937C3 - Absperreinrichtung für Tiefbohrungen - Google Patents

Absperreinrichtung für Tiefbohrungen

Info

Publication number
DE2313937C3
DE2313937C3 DE2313937A DE2313937A DE2313937C3 DE 2313937 C3 DE2313937 C3 DE 2313937C3 DE 2313937 A DE2313937 A DE 2313937A DE 2313937 A DE2313937 A DE 2313937A DE 2313937 C3 DE2313937 C3 DE 2313937C3
Authority
DE
Germany
Prior art keywords
valve ball
valve
shut
ball
seal
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
DE2313937A
Other languages
German (de)
English (en)
Other versions
DE2313937A1 (de
DE2313937B2 (de
Inventor
Kurt Houston Tex. Leutwyler (V.St.A.)
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Baker Oil Tools Inc
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 Baker Oil Tools Inc filed Critical Baker Oil Tools Inc
Publication of DE2313937A1 publication Critical patent/DE2313937A1/de
Publication of DE2313937B2 publication Critical patent/DE2313937B2/de
Application granted granted Critical
Publication of DE2313937C3 publication Critical patent/DE2313937C3/de
Expired 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
    • 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

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Taps Or Cocks (AREA)
  • Braking Arrangements (AREA)
  • Multiple-Way Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Check Valves (AREA)
DE2313937A 1972-03-22 1973-03-21 Absperreinrichtung für Tiefbohrungen Expired DE2313937C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23692972A 1972-03-22 1972-03-22

Publications (3)

Publication Number Publication Date
DE2313937A1 DE2313937A1 (de) 1973-09-27
DE2313937B2 DE2313937B2 (de) 1975-03-06
DE2313937C3 true DE2313937C3 (de) 1975-10-23

Family

ID=22891583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2313937A Expired DE2313937C3 (de) 1972-03-22 1973-03-21 Absperreinrichtung für Tiefbohrungen

Country Status (6)

Country Link
JP (1) JPS5441003B2 (enExample)
CA (1) CA960637A (enExample)
DE (1) DE2313937C3 (enExample)
FR (1) FR2176659B1 (enExample)
GB (2) GB1390050A (enExample)
IT (1) IT986033B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085371A (enExample) * 1973-11-28 1975-07-09
US4062406A (en) * 1976-10-15 1977-12-13 Baker International Corporation Valve and lubricator apparatus
EP0053983A1 (en) * 1980-12-09 1982-06-16 Schlumberger Technology Corporation Composite ball valve seal assembly
US5050839A (en) * 1989-02-15 1991-09-24 Otis Engineering Corporation Valve
GB0423015D0 (en) * 2004-10-16 2004-11-17 Enovate Systems Ltd Improved ball valve
US7469708B2 (en) * 2004-12-21 2008-12-30 Fisher Controls International Llc Universal fluid valve body
CN107387002B (zh) * 2017-08-31 2023-03-24 成都西南石大石油工程技术有限公司 一种双通道旋塞阀

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233860A (en) * 1962-04-16 1966-02-08 Otis Eng Co Ball valve improvement
US3249124A (en) * 1963-06-14 1966-05-03 Schlumberger Well Surv Corp Borehole apparatus valves
US3583442A (en) * 1968-12-23 1971-06-08 Otis Eng Co Rotary valves

Also Published As

Publication number Publication date
DE2313937A1 (de) 1973-09-27
JPS4913727A (enExample) 1974-02-06
JPS5441003B2 (enExample) 1979-12-06
FR2176659B1 (enExample) 1976-08-20
GB1390050A (en) 1975-04-09
CA960637A (en) 1975-01-07
GB1390049A (en) 1975-04-09
FR2176659A1 (enExample) 1973-11-02
IT986033B (it) 1975-01-10
DE2313937B2 (de) 1975-03-06

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee