GB201022004D0 - Drill pipe - Google Patents

Drill pipe

Info

Publication number
GB201022004D0
GB201022004D0 GBGB1022004.4A GB201022004A GB201022004D0 GB 201022004 D0 GB201022004 D0 GB 201022004D0 GB 201022004 A GB201022004 A GB 201022004A GB 201022004 D0 GB201022004 D0 GB 201022004D0
Authority
GB
United Kingdom
Prior art keywords
drill pipe
drill
pipe
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
GBGB1022004.4A
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.)
Managed Pressure Operations Pte Ltd
Original Assignee
Managed Pressure Operations Pte 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 Managed Pressure Operations Pte Ltd filed Critical Managed Pressure Operations Pte Ltd
Priority to GBGB1022004.4A priority Critical patent/GB201022004D0/en
Publication of GB201022004D0 publication Critical patent/GB201022004D0/en
Priority to PCT/GB2011/052579 priority patent/WO2012085597A2/en
Priority to GB1310776.8A priority patent/GB2503115B8/en
Priority to US14/178,509 priority patent/US9458696B2/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
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
    • 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
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • 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
GBGB1022004.4A 2010-12-24 2010-12-24 Drill pipe Ceased GB201022004D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB1022004.4A GB201022004D0 (en) 2010-12-24 2010-12-24 Drill pipe
PCT/GB2011/052579 WO2012085597A2 (en) 2010-12-24 2011-12-23 Valve assembly
GB1310776.8A GB2503115B8 (en) 2010-12-24 2011-12-23 Valve Assembly
US14/178,509 US9458696B2 (en) 2010-12-24 2014-02-12 Valve assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1022004.4A GB201022004D0 (en) 2010-12-24 2010-12-24 Drill pipe

Publications (1)

Publication Number Publication Date
GB201022004D0 true GB201022004D0 (en) 2011-02-02

Family

ID=43599028

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1022004.4A Ceased GB201022004D0 (en) 2010-12-24 2010-12-24 Drill pipe
GB1310776.8A Active GB2503115B8 (en) 2010-12-24 2011-12-23 Valve Assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1310776.8A Active GB2503115B8 (en) 2010-12-24 2011-12-23 Valve Assembly

Country Status (2)

Country Link
GB (2) GB201022004D0 (en)
WO (1) WO2012085597A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9458696B2 (en) 2010-12-24 2016-10-04 Managed Pressure Operations Pte. Ltd. Valve assembly
GB2507083A (en) * 2012-10-18 2014-04-23 Managed Pressure Operations Apparatus for continuous circulation drilling.
GB2516468B (en) * 2013-07-23 2020-02-19 Managed Pressure Operations Valve actuator
US10006262B2 (en) * 2014-02-21 2018-06-26 Weatherford Technology Holdings, Llc Continuous flow system for drilling oil and gas wells
CN105239962B (en) * 2015-09-17 2017-07-14 东北石油大学 With brill with hydraulic control device under kill-job

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2158356A (en) 1935-09-16 1939-05-16 Continental Oil Co Apparatus for oil well drilling
US3236255A (en) * 1963-04-24 1966-02-22 Phillip S Sizer Pressure operated safety valve
US3703193A (en) * 1970-12-28 1972-11-21 Otis Eng Corp Valves
GB1416085A (en) * 1972-04-13 1975-12-03 Baker Oil Tools Inc Subsurface safety valve for wells
US3871447A (en) * 1972-07-28 1975-03-18 Baker Oil Tools Inc Tubing hanger setting tool
GB2413373B (en) * 2002-05-02 2006-08-02 Dril Quip Inc Ball valve assembly

Also Published As

Publication number Publication date
GB2503115A8 (en) 2016-04-06
GB2503115B (en) 2015-12-30
WO2012085597A3 (en) 2013-06-13
GB201310776D0 (en) 2013-07-31
GB2503115A (en) 2013-12-18
WO2012085597A2 (en) 2012-06-28
GB2503115B8 (en) 2016-04-06

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Legal Events

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