BR8108355A - VALVE APPLIANCE ADAPTED FOR USE IN A Borehole - Google Patents

VALVE APPLIANCE ADAPTED FOR USE IN A Borehole

Info

Publication number
BR8108355A
BR8108355A BR8108355A BR8108355A BR8108355A BR 8108355 A BR8108355 A BR 8108355A BR 8108355 A BR8108355 A BR 8108355A BR 8108355 A BR8108355 A BR 8108355A BR 8108355 A BR8108355 A BR 8108355A
Authority
BR
Brazil
Prior art keywords
borehole
appliance adapted
valve appliance
valve
appliance
Prior art date
Application number
BR8108355A
Other languages
Portuguese (pt)
Inventor
Howard L Mcgill
Original Assignee
Schlumberg Tech Corp
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 Schlumberg Tech Corp filed Critical Schlumberg Tech Corp
Publication of BR8108355A publication Critical patent/BR8108355A/en

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
    • 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
BR8108355A 1980-12-23 1981-12-22 VALVE APPLIANCE ADAPTED FOR USE IN A Borehole BR8108355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22024180A 1980-12-23 1980-12-23

Publications (1)

Publication Number Publication Date
BR8108355A true BR8108355A (en) 1982-10-13

Family

ID=22822705

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8108355A BR8108355A (en) 1980-12-23 1981-12-22 VALVE APPLIANCE ADAPTED FOR USE IN A Borehole

Country Status (4)

Country Link
EP (1) EP0055183A1 (en)
AU (1) AU7878181A (en)
BR (1) BR8108355A (en)
ES (1) ES8300925A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4624317A (en) * 1984-09-12 1986-11-25 Halliburton Company Well tool with improved valve support structure
GB9612609D0 (en) * 1996-06-17 1996-08-21 Petroline Wireline Services Downhole apparatus
AU761991B2 (en) * 1996-06-17 2003-06-12 Weatherford/Lamb Inc. Downhole apparatus
CN110905456B (en) * 2018-09-18 2022-03-01 中国石油天然气股份有限公司 Pressure delay ball throwing device
BR112022000342A2 (en) 2019-09-17 2022-04-12 Halliburton Energy Services Inc Valve and well system assembly
CN111425165A (en) * 2020-04-29 2020-07-17 中国石油大学(华东) Arc closed ball valve sealing device for pressure maintaining and coring of coal bed gas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741249A (en) * 1971-03-22 1973-06-26 Baker Oil Tools Inc Ball valve with resilient seal
US3776506A (en) * 1971-12-15 1973-12-04 Acf Ind Inc Valve structure having fluid pressure actuated sealing members
JPS53144030A (en) * 1977-05-21 1978-12-15 Taimei Kinzoku Kougiyou Kk Valve seat

Also Published As

Publication number Publication date
EP0055183A1 (en) 1982-06-30
ES508245A0 (en) 1982-11-01
ES8300925A1 (en) 1982-11-01
AU7878181A (en) 1982-07-01

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