GB2073288B - Drill pipe tester valve - Google Patents

Drill pipe tester valve

Info

Publication number
GB2073288B
GB2073288B GB8110572A GB8110572A GB2073288B GB 2073288 B GB2073288 B GB 2073288B GB 8110572 A GB8110572 A GB 8110572A GB 8110572 A GB8110572 A GB 8110572A GB 2073288 B GB2073288 B GB 2073288B
Authority
GB
United Kingdom
Prior art keywords
drill pipe
tester valve
pipe tester
valve
drill
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
GB8110572A
Other versions
GB2073288A (en
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.)
Halliburton Co
Original Assignee
Halliburton Co
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
Priority claimed from US06/137,013 external-priority patent/US4319634A/en
Priority claimed from US06/136,831 external-priority patent/US4319633A/en
Application filed by Halliburton Co filed Critical Halliburton Co
Publication of GB2073288A publication Critical patent/GB2073288A/en
Application granted granted Critical
Publication of GB2073288B publication Critical patent/GB2073288B/en
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
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/117—Detecting leaks, e.g. from tubing, by pressure testing
    • 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)
  • Geophysics (AREA)
  • Check Valves (AREA)
GB8110572A 1980-04-03 1981-04-03 Drill pipe tester valve Expired GB2073288B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/137,013 US4319634A (en) 1980-04-03 1980-04-03 Drill pipe tester valve
US06/136,831 US4319633A (en) 1980-04-03 1980-04-03 Drill pipe tester and safety valve

Publications (2)

Publication Number Publication Date
GB2073288A GB2073288A (en) 1981-10-14
GB2073288B true GB2073288B (en) 1983-10-05

Family

ID=26834678

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8110572A Expired GB2073288B (en) 1980-04-03 1981-04-03 Drill pipe tester valve

Country Status (2)

Country Link
AU (1) AU539854B2 (en)
GB (1) GB2073288B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0877853A2 (en) * 1996-02-03 1998-11-18 Ocre (Scotland) Limited Downhole valve
US6079497A (en) * 1997-06-03 2000-06-27 Camco International Inc. Pressure equalizing safety valve for subterranean wells
US6283217B1 (en) 1998-08-06 2001-09-04 Schlumberger Technology Corp. Axial equalizing valve
GB2345076B (en) 1998-12-22 2001-06-20 Camco Int Pilot-operated pressure-equalizing mechanism for subsurface valve
US6328109B1 (en) 1999-11-16 2001-12-11 Schlumberger Technology Corp. Downhole valve

Also Published As

Publication number Publication date
GB2073288A (en) 1981-10-14
AU539854B2 (en) 1984-10-18
AU6900281A (en) 1981-10-08

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Legal Events

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

Effective date: 19940403