EP0979922A3 - Bohrgestänge mit Innenrohr - Google Patents

Bohrgestänge mit Innenrohr Download PDF

Info

Publication number
EP0979922A3
EP0979922A3 EP99305930A EP99305930A EP0979922A3 EP 0979922 A3 EP0979922 A3 EP 0979922A3 EP 99305930 A EP99305930 A EP 99305930A EP 99305930 A EP99305930 A EP 99305930A EP 0979922 A3 EP0979922 A3 EP 0979922A3
Authority
EP
European Patent Office
Prior art keywords
tube rod
threaded end
rod
flank
female threaded
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.)
Granted
Application number
EP99305930A
Other languages
English (en)
French (fr)
Other versions
EP0979922A2 (de
EP0979922B1 (de
Inventor
Nigel Roberts
James Yao
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.)
Boart Longyear Ltd
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
Publication of EP0979922A2 publication Critical patent/EP0979922A2/de
Publication of EP0979922A3 publication Critical patent/EP0979922A3/de
Application granted granted Critical
Publication of EP0979922B1 publication Critical patent/EP0979922B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Particle Accelerators (AREA)
  • Fluid-Damping Devices (AREA)
EP99305930A 1998-07-30 1999-07-26 Bohrgestänge mit Innenrohr Expired - Lifetime EP0979922B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9816494A GB2340148B (en) 1998-07-30 1998-07-30 Tube rod
GB9816494 1998-07-30

Publications (3)

Publication Number Publication Date
EP0979922A2 EP0979922A2 (de) 2000-02-16
EP0979922A3 true EP0979922A3 (de) 2001-01-17
EP0979922B1 EP0979922B1 (de) 2004-01-28

Family

ID=10836359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99305930A Expired - Lifetime EP0979922B1 (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
WO2003036016A1 (en) * 2001-10-22 2003-05-01 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
EP3095954B1 (de) * 2015-05-22 2024-05-15 Sandvik Intellectual Property AB Bohrstange oder adapter mit verstärkter stutzenkupplung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB912930A (en) * 1960-05-31 1962-12-12 American Iron & Machine Works Integral tool joint drill pipe
US4601491A (en) * 1983-10-19 1986-07-22 Vetco Offshore, Inc. Pipe connector
EP0220147A2 (de) * 1985-10-17 1987-04-29 Santrade Ltd. Schraubverbindung zum Schlagbohren
GB2285645A (en) * 1994-01-13 1995-07-19 Prideco Inc Stress relief groove for drill pipe
US5535837A (en) * 1994-07-05 1996-07-16 Grant Prideco, Inc. Helical stress relief groove apparatus and method for subterranean well drill pipe assemblies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355968A (en) * 1993-05-20 1994-10-18 Grant Tfw, Inc. Tool joint stress relief groove

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB912930A (en) * 1960-05-31 1962-12-12 American Iron & Machine Works Integral tool joint drill pipe
US4601491A (en) * 1983-10-19 1986-07-22 Vetco Offshore, Inc. Pipe connector
EP0220147A2 (de) * 1985-10-17 1987-04-29 Santrade Ltd. Schraubverbindung zum Schlagbohren
GB2285645A (en) * 1994-01-13 1995-07-19 Prideco Inc Stress relief groove for drill pipe
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
GB2340148B (en) 2002-12-31
EP0979922A2 (de) 2000-02-16
CA2278987A1 (en) 2000-01-30
ATE258645T1 (de) 2004-02-15
GB2340148A (en) 2000-02-16
EP0979922B1 (de) 2004-01-28
GB9816494D0 (en) 1998-09-23

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