GB2426274B - Drill pipe header - Google Patents

Drill pipe header

Info

Publication number
GB2426274B
GB2426274B GB0617000A GB0617000A GB2426274B GB 2426274 B GB2426274 B GB 2426274B GB 0617000 A GB0617000 A GB 0617000A GB 0617000 A GB0617000 A GB 0617000A GB 2426274 B GB2426274 B GB 2426274B
Authority
GB
United Kingdom
Prior art keywords
drill pipe
pipe header
header
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.)
Expired - Fee Related
Application number
GB0617000A
Other versions
GB0617000D0 (en
GB2426274A (en
Inventor
Kjetil Bekkeheien
Inger Kjellovoll
Arne Torsvoll
Per Horsrud
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.)
Equinor ASA
Original Assignee
Statoil ASA
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
Priority claimed from GB0403855A external-priority patent/GB0403855D0/en
Application filed by Statoil ASA filed Critical Statoil ASA
Publication of GB0617000D0 publication Critical patent/GB0617000D0/en
Publication of GB2426274A publication Critical patent/GB2426274A/en
Application granted granted Critical
Publication of GB2426274B publication Critical patent/GB2426274B/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
    • 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
    • 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
GB0617000A 2004-02-20 2005-02-21 Drill pipe header Expired - Fee Related GB2426274B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0403855A GB0403855D0 (en) 2004-02-20 2004-02-20 Apparatus
US63186004P 2004-12-01 2004-12-01
PCT/GB2005/000632 WO2005080745A1 (en) 2004-02-20 2005-02-21 Drill pipe header

Publications (3)

Publication Number Publication Date
GB0617000D0 GB0617000D0 (en) 2006-10-04
GB2426274A GB2426274A (en) 2006-11-22
GB2426274B true GB2426274B (en) 2008-09-17

Family

ID=34889140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0617000A Expired - Fee Related GB2426274B (en) 2004-02-20 2005-02-21 Drill pipe header

Country Status (2)

Country Link
GB (1) GB2426274B (en)
WO (1) WO2005080745A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20051108A1 (en) * 2005-06-14 2006-12-15 Eni Spa DEVICE AND PROCEDURE FOR THE INSERTION OF A NEW PUNCTURE STRING
CA2694482C (en) * 2007-07-27 2013-05-28 Weatherford/Lamb, Inc. Continuous flow drilling systems and methods
NO328945B1 (en) 2007-08-15 2010-06-21 I Tec As Valve section and method for maintaining constant drilling fluid circulation during a drilling process
CA2913365C (en) 2007-11-20 2017-01-24 National Oilwell Varco, L.P. Circulation sub with indexing mechanism
US8033338B2 (en) 2008-01-22 2011-10-11 National Oilwell Varco, L.P. Wellbore continuous circulation systems and method
AU2015238781B2 (en) * 2008-10-22 2016-01-07 Grant Prideco, Inc. Drill pipe
GB0819340D0 (en) * 2008-10-22 2008-11-26 Managed Pressure Operations Ll Drill pipe
US20100155143A1 (en) * 2008-12-24 2010-06-24 Braddick Britt O Continuous fluid circulation valve for well drilling
GB0905633D0 (en) 2009-04-01 2009-05-13 Managed Pressure Operations Ll Apparatus for and method of drilling a subterranean borehole
GB2469119B (en) 2009-04-03 2013-07-03 Managed Pressure Operations Drill pipe connector
MX2012001983A (en) 2009-09-15 2012-04-11 Managed Pressure Operations Method of drilling a subterranean borehole.
EP2591202A1 (en) * 2010-07-09 2013-05-15 National Oilwell Varco, L.P. Circulation sub and method for using same
US20120018229A1 (en) * 2010-07-20 2012-01-26 Managed Pressure Operations Pte Ltd Drill pipe
US8684109B2 (en) 2010-11-16 2014-04-01 Managed Pressure Operations Pte Ltd Drilling method for drilling a subterranean borehole
US9458696B2 (en) 2010-12-24 2016-10-04 Managed Pressure Operations Pte. Ltd. Valve assembly
US9353587B2 (en) 2011-09-21 2016-05-31 Weatherford Technology Holdings, Llc Three-way flow sub for continuous circulation
CN103826763B (en) * 2011-10-13 2015-08-26 英派尔科技开发有限公司 soil remediation
SG11201601074RA (en) 2013-09-30 2016-03-30 Halliburton Energy Services Inc Synchronous continuous circulation subassembly with feedback
CN103485730A (en) * 2013-10-11 2014-01-01 长江大学 Uninterrupted air drilling circulating nipple
US10006262B2 (en) 2014-02-21 2018-06-26 Weatherford Technology Holdings, Llc Continuous flow system for drilling oil and gas wells

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1491986A (en) * 1922-02-01 1924-04-29 Lorenzo H Greene Coupling for drill pipes
US2102555A (en) * 1936-07-02 1937-12-14 Continental Oil Co Method of drilling wells
US2158356A (en) * 1935-09-16 1939-05-16 Continental Oil Co Apparatus for oil well drilling
US3298385A (en) * 1965-09-22 1967-01-17 Well Completions Inc Constant circulating coupling device
US4448267A (en) * 1982-08-30 1984-05-15 Crawford Iii Russell C Door drilling Kelly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1491986A (en) * 1922-02-01 1924-04-29 Lorenzo H Greene Coupling for drill pipes
US2158356A (en) * 1935-09-16 1939-05-16 Continental Oil Co Apparatus for oil well drilling
US2102555A (en) * 1936-07-02 1937-12-14 Continental Oil Co Method of drilling wells
US3298385A (en) * 1965-09-22 1967-01-17 Well Completions Inc Constant circulating coupling device
US4448267A (en) * 1982-08-30 1984-05-15 Crawford Iii Russell C Door drilling Kelly

Also Published As

Publication number Publication date
GB0617000D0 (en) 2006-10-04
WO2005080745A1 (en) 2005-09-01
GB2426274A (en) 2006-11-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130905 AND 20130911

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230221