SG11202106104PA - Equalizing device for safety valves - Google Patents

Equalizing device for safety valves

Info

Publication number
SG11202106104PA
SG11202106104PA SG11202106104PA SG11202106104PA SG11202106104PA SG 11202106104P A SG11202106104P A SG 11202106104PA SG 11202106104P A SG11202106104P A SG 11202106104PA SG 11202106104P A SG11202106104P A SG 11202106104PA SG 11202106104P A SG11202106104P A SG 11202106104PA
Authority
SG
Singapore
Prior art keywords
safety valves
equalizing device
equalizing
valves
safety
Prior art date
Application number
SG11202106104PA
Inventor
James Dan Vick Jr
Cody Loy Campbell
Jimmie Robert Williamson
Bharat B Pawar
Original Assignee
Halliburton Energy Services 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 Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of SG11202106104PA publication Critical patent/SG11202106104PA/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
    • 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
    • E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
    • 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
    • E21B2200/05—Flapper valves
SG11202106104PA 2019-02-13 2019-02-13 Equalizing device for safety valves SG11202106104PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2019/017776 WO2020167302A1 (en) 2019-02-13 2019-02-13 Equalizing device for safety valves

Publications (1)

Publication Number Publication Date
SG11202106104PA true SG11202106104PA (en) 2021-07-29

Family

ID=71945936

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202106104PA SG11202106104PA (en) 2019-02-13 2019-02-13 Equalizing device for safety valves

Country Status (7)

Country Link
US (1) US11203917B2 (en)
AU (1) AU2019429182A1 (en)
BR (1) BR112021010955A2 (en)
GB (1) GB2594394B (en)
NO (1) NO20210872A1 (en)
SG (1) SG11202106104PA (en)
WO (1) WO2020167302A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11231315B2 (en) * 2019-09-05 2022-01-25 Baker Hughes Oilfield Operations Llc Acoustic detection of position of a component of a fluid control device
US11396791B2 (en) * 2020-08-03 2022-07-26 Baker Hughes Oilfield Operations Llc Equalizing cartridge for a flapper valve

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071151A (en) * 1958-11-05 1963-01-01 Otis Eng Co Pressure responsive control valve for well tubing
US3845818A (en) * 1973-08-10 1974-11-05 Otis Eng Co Well tools
US4415036A (en) * 1982-02-22 1983-11-15 Baker Oil Tools, Inc. Pressure equalizing flapper type safety valve for subterranean wells
US4478286A (en) * 1983-02-14 1984-10-23 Baker Oil Tools, Inc. Equalizing valve for subterranean wells
WO1998055732A1 (en) 1997-06-03 1998-12-10 Camco International Inc. Pressure equalizing safety valve for subterranean wells
US6283217B1 (en) * 1998-08-06 2001-09-04 Schlumberger Technology Corp. Axial equalizing valve
US6296061B1 (en) * 1998-12-22 2001-10-02 Camco International Inc. Pilot-operated pressure-equalizing mechanism for subsurface valve
US7798229B2 (en) * 2005-01-24 2010-09-21 Halliburton Energy Services, Inc. Dual flapper safety valve
US9255463B2 (en) * 2012-12-11 2016-02-09 Baker Hughes Incorporated Flapper equalizer with integral spring

Also Published As

Publication number Publication date
GB202108703D0 (en) 2021-08-04
GB2594394A (en) 2021-10-27
GB2594394B (en) 2022-12-07
BR112021010955A2 (en) 2021-08-31
WO2020167302A1 (en) 2020-08-20
US20200256159A1 (en) 2020-08-13
US11203917B2 (en) 2021-12-21
AU2019429182A1 (en) 2021-06-24
NO20210872A1 (en) 2021-07-02

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