EP0183482A3 - Downhole tool - Google Patents

Downhole tool Download PDF

Info

Publication number
EP0183482A3
EP0183482A3 EP85308446A EP85308446A EP0183482A3 EP 0183482 A3 EP0183482 A3 EP 0183482A3 EP 85308446 A EP85308446 A EP 85308446A EP 85308446 A EP85308446 A EP 85308446A EP 0183482 A3 EP0183482 A3 EP 0183482A3
Authority
EP
European Patent Office
Prior art keywords
downhole tool
downhole
tool
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
EP85308446A
Other versions
EP0183482A2 (en
EP0183482B1 (en
Inventor
Harold Kent Beck
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 US06/676,138 external-priority patent/US4617999A/en
Priority claimed from US06/676,022 external-priority patent/US4595060A/en
Application filed by Halliburton Co filed Critical Halliburton Co
Publication of EP0183482A2 publication Critical patent/EP0183482A2/en
Publication of EP0183482A3 publication Critical patent/EP0183482A3/en
Application granted granted Critical
Publication of EP0183482B1 publication Critical patent/EP0183482B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/001—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells specially adapted for underwater installations
    • 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
    • E21B34/108—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with time delay systems, e.g. hydraulic impedance mechanisms
    • 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
    • E21B2200/04—Ball valves
EP85308446A 1984-11-28 1985-11-20 Downhole tool Expired - Lifetime EP0183482B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/676,138 US4617999A (en) 1984-11-28 1984-11-28 Downhole tool with compression chamber
US676022 1984-11-28
US06/676,022 US4595060A (en) 1984-11-28 1984-11-28 Downhole tool with compressible well fluid chamber
US676138 2000-09-29

Publications (3)

Publication Number Publication Date
EP0183482A2 EP0183482A2 (en) 1986-06-04
EP0183482A3 true EP0183482A3 (en) 1988-07-20
EP0183482B1 EP0183482B1 (en) 1991-01-30

Family

ID=27101460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85308446A Expired - Lifetime EP0183482B1 (en) 1984-11-28 1985-11-20 Downhole tool

Country Status (2)

Country Link
EP (1) EP0183482B1 (en)
DE (1) DE3581602D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8909892D0 (en) * 1989-04-28 1989-06-14 Exploration & Prod Serv Well control apparatus
WO2016137329A1 (en) * 2015-02-26 2016-09-01 Smartcoil Solution As System and method for controlling placement of a flowable material in a well with a low formation pressure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664415A (en) * 1970-09-14 1972-05-23 Halliburton Co Method and apparatus for testing wells
US3856085A (en) * 1973-11-15 1974-12-24 Halliburton Co Improved annulus pressure operated well testing apparatus and its method of operation
US4083409A (en) * 1977-05-02 1978-04-11 Halliburton Company Full flow bypass valve
US4341266A (en) * 1980-09-15 1982-07-27 Lynes, Inc. Pressure operated test tool
US4444268A (en) * 1982-03-04 1984-04-24 Halliburton Company Tester valve with silicone liquid spring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664415A (en) * 1970-09-14 1972-05-23 Halliburton Co Method and apparatus for testing wells
US3856085A (en) * 1973-11-15 1974-12-24 Halliburton Co Improved annulus pressure operated well testing apparatus and its method of operation
US4083409A (en) * 1977-05-02 1978-04-11 Halliburton Company Full flow bypass valve
US4341266A (en) * 1980-09-15 1982-07-27 Lynes, Inc. Pressure operated test tool
US4444268A (en) * 1982-03-04 1984-04-24 Halliburton Company Tester valve with silicone liquid spring

Also Published As

Publication number Publication date
DE3581602D1 (en) 1991-03-07
EP0183482A2 (en) 1986-06-04
EP0183482B1 (en) 1991-01-30

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