ATE258645T1 - Bohrgestänge mit innenrohr - Google Patents

Bohrgestänge mit innenrohr

Info

Publication number
ATE258645T1
ATE258645T1 AT99305930T AT99305930T ATE258645T1 AT E258645 T1 ATE258645 T1 AT E258645T1 AT 99305930 T AT99305930 T AT 99305930T AT 99305930 T AT99305930 T AT 99305930T AT E258645 T1 ATE258645 T1 AT E258645T1
Authority
AT
Austria
Prior art keywords
threaded end
inner tube
drill rod
flank
rod
Prior art date
Application number
AT99305930T
Other languages
English (en)
Inventor
Nigel Roberts
James Yao
Original Assignee
Boart Longyear 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 Boart Longyear Ltd filed Critical Boart Longyear Ltd
Application granted granted Critical
Publication of ATE258645T1 publication Critical patent/ATE258645T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Fluid-Damping Devices (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Particle Accelerators (AREA)
AT99305930T 1998-07-30 1999-07-26 Bohrgestänge mit innenrohr ATE258645T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9816494A GB2340148B (en) 1998-07-30 1998-07-30 Tube rod

Publications (1)

Publication Number Publication Date
ATE258645T1 true ATE258645T1 (de) 2004-02-15

Family

ID=10836359

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99305930T ATE258645T1 (de) 1998-07-30 1999-07-26 Bohrgestänge mit innenrohr

Country Status (4)

Country Link
EP (1) EP0979922B1 (de)
AT (1) ATE258645T1 (de)
CA (1) CA2278987A1 (de)
GB (1) GB2340148B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2465111C (en) * 2001-10-22 2008-10-21 Ion Peleanu Method for conditioning wellbore fluids and sucker rod therefore
SE524155C2 (sv) * 2002-05-22 2004-07-06 Atlas Copco Secoroc Ab Gängförband för borrsträng för slående bergborrning
CN102926673A (zh) * 2012-12-02 2013-02-13 中国石油化工股份有限公司 防失稳油管接头
EP4386247A3 (de) 2015-05-22 2024-09-25 Sandvik Intellectual Property AB Bohrstange oder adapter mit verstärkter stutzenkupplung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067593A (en) * 1960-08-29 1962-12-11 American Iron & Machine Works Integral tool joint drill pipe
US4601491A (en) * 1983-10-19 1986-07-22 Vetco Offshore, Inc. Pipe connector
SE8504842L (sv) * 1985-10-17 1987-04-18 Santrade Ltd Borrstang for slaende bergborrning
US5358285A (en) * 1992-12-03 1994-10-25 Prideco, Inc. Stress relief groove for drill pipe
US5355968A (en) * 1993-05-20 1994-10-18 Grant Tfw, Inc. Tool joint stress relief groove
US5535837A (en) * 1994-07-05 1996-07-16 Grant Prideco, Inc. Helical stress relief groove apparatus and method for subterranean well drill pipe assemblies

Also Published As

Publication number Publication date
EP0979922A3 (de) 2001-01-17
GB2340148B (en) 2002-12-31
GB2340148A (en) 2000-02-16
CA2278987A1 (en) 2000-01-30
EP0979922A2 (de) 2000-02-16
GB9816494D0 (en) 1998-09-23
EP0979922B1 (de) 2004-01-28

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties