GB2525763B - Pressure regulated downhole equipment - Google Patents

Pressure regulated downhole equipment

Info

Publication number
GB2525763B
GB2525763B GB1507096.4A GB201507096A GB2525763B GB 2525763 B GB2525763 B GB 2525763B GB 201507096 A GB201507096 A GB 201507096A GB 2525763 B GB2525763 B GB 2525763B
Authority
GB
United Kingdom
Prior art keywords
downhole equipment
pressure regulated
regulated
pressure
downhole
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 - Fee Related
Application number
GB1507096.4A
Other versions
GB2525763A (en
GB201507096D0 (en
Inventor
Morrison Jeffrey
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.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford Technology Holdings LLC
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 Weatherford Technology Holdings LLC filed Critical Weatherford Technology Holdings LLC
Publication of GB201507096D0 publication Critical patent/GB201507096D0/en
Publication of GB2525763A publication Critical patent/GB2525763A/en
Application granted granted Critical
Publication of GB2525763B publication Critical patent/GB2525763B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • 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
GB1507096.4A 2014-04-28 2015-04-27 Pressure regulated downhole equipment Expired - Fee Related GB2525763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201461985159P 2014-04-28 2014-04-28

Publications (3)

Publication Number Publication Date
GB201507096D0 GB201507096D0 (en) 2015-06-10
GB2525763A GB2525763A (en) 2015-11-04
GB2525763B true GB2525763B (en) 2017-09-13

Family

ID=53488683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1507096.4A Expired - Fee Related GB2525763B (en) 2014-04-28 2015-04-27 Pressure regulated downhole equipment

Country Status (3)

Country Link
US (1) US20150308227A1 (en)
CA (1) CA2889351A1 (en)
GB (1) GB2525763B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108060909A (en) * 2017-11-22 2018-05-22 中国石油集团长城钻探工程有限公司 A kind of extended reach well floats effective blind plugging device of trapping
US11125044B2 (en) 2019-03-06 2021-09-21 Saudi Arabian Oil Company Pressurized flotation for tubular installation in wellbores

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863714A (en) * 1973-04-17 1975-02-04 Compatible Controls Systems In Automatic gas well flow control
EP0187690A2 (en) * 1982-03-04 1986-07-16 Halliburton Company Downhole tool with liquid spring
US20020148614A1 (en) * 2001-04-17 2002-10-17 Szarka David D. PDF valve
US20070095533A1 (en) * 2005-11-01 2007-05-03 Halliburton Energy Services, Inc. Reverse cementing float equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863714A (en) * 1973-04-17 1975-02-04 Compatible Controls Systems In Automatic gas well flow control
EP0187690A2 (en) * 1982-03-04 1986-07-16 Halliburton Company Downhole tool with liquid spring
US20020148614A1 (en) * 2001-04-17 2002-10-17 Szarka David D. PDF valve
US20070095533A1 (en) * 2005-11-01 2007-05-03 Halliburton Energy Services, Inc. Reverse cementing float equipment

Also Published As

Publication number Publication date
GB2525763A (en) 2015-11-04
CA2889351A1 (en) 2015-10-28
US20150308227A1 (en) 2015-10-29
GB201507096D0 (en) 2015-06-10

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Legal Events

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

Effective date: 20190427