GB201109428D0 - Valve device - Google Patents

Valve device

Info

Publication number
GB201109428D0
GB201109428D0 GBGB1109428.1A GB201109428A GB201109428D0 GB 201109428 D0 GB201109428 D0 GB 201109428D0 GB 201109428 A GB201109428 A GB 201109428A GB 201109428 D0 GB201109428 D0 GB 201109428D0
Authority
GB
United Kingdom
Prior art keywords
valve device
valve
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.)
Ceased
Application number
GBGB1109428.1A
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.)
MGB Oil Services Ltd
Original Assignee
MGB Oil Services Ltd
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 MGB Oil Services Ltd filed Critical MGB Oil Services Ltd
Priority to GBGB1109428.1A priority Critical patent/GB201109428D0/en
Publication of GB201109428D0 publication Critical patent/GB201109428D0/en
Priority to PCT/GB2012/051270 priority patent/WO2012168705A2/en
Ceased 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
    • 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
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
    • 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
    • E21B2200/06—Sleeve valves
GBGB1109428.1A 2011-06-06 2011-06-06 Valve device Ceased GB201109428D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB1109428.1A GB201109428D0 (en) 2011-06-06 2011-06-06 Valve device
PCT/GB2012/051270 WO2012168705A2 (en) 2011-06-06 2012-06-06 Valve control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1109428.1A GB201109428D0 (en) 2011-06-06 2011-06-06 Valve device

Publications (1)

Publication Number Publication Date
GB201109428D0 true GB201109428D0 (en) 2011-07-20

Family

ID=44343445

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB1109428.1A Ceased GB201109428D0 (en) 2011-06-06 2011-06-06 Valve device

Country Status (2)

Country Link
GB (1) GB201109428D0 (en)
WO (1) WO2012168705A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482571A (en) * 2021-08-25 2021-10-08 大庆长垣能源科技有限公司 Hydraulic control pressure cipher open type infinite delay toe end sliding sleeve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106948780B (en) * 2017-03-15 2019-08-02 西南石油大学 A kind of screw drilling tool motor operting differential pressure control valve and its control method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407329A (en) * 1980-04-14 1983-10-04 Huebsch Donald L Magnetically operated fail-safe cutoff valve with pressure equalizing means
GB2450681A (en) 2007-06-26 2009-01-07 Schlumberger Holdings Multi-position electromagnetic actuator with spring return
US7703532B2 (en) * 2007-09-17 2010-04-27 Baker Hughes Incorporated Tubing retrievable injection valve
US8191634B2 (en) * 2009-05-19 2012-06-05 Baker Hughes Incorporated Magnetic flapper shock absorber
US20110088907A1 (en) * 2009-10-15 2011-04-21 Baker Hughes Incorporated Flapper valve and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482571A (en) * 2021-08-25 2021-10-08 大庆长垣能源科技有限公司 Hydraulic control pressure cipher open type infinite delay toe end sliding sleeve

Also Published As

Publication number Publication date
WO2012168705A3 (en) 2013-06-27
WO2012168705A2 (en) 2012-12-13

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)