NO970335A - Drill string release equipment - Google Patents

Drill string release equipment

Info

Publication number
NO970335A
NO970335A NO970335A NO970335A NO970335A NO 970335 A NO970335 A NO 970335A NO 970335 A NO970335 A NO 970335A NO 970335 A NO970335 A NO 970335A NO 970335 A NO970335 A NO 970335A
Authority
NO
Norway
Prior art keywords
drill string
release equipment
string release
equipment
drill
Prior art date
Application number
NO970335A
Other languages
Norwegian (no)
Other versions
NO970335D0 (en
NO303351B1 (en
Inventor
Thor Bjørnstad
Original Assignee
Bjoernstad Thor
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 Bjoernstad Thor filed Critical Bjoernstad Thor
Priority to NO970335A priority Critical patent/NO303351B1/en
Publication of NO970335D0 publication Critical patent/NO970335D0/en
Priority to GB9914900A priority patent/GB2335960B/en
Priority to AU58859/98A priority patent/AU5885998A/en
Priority to PCT/NO1998/000012 priority patent/WO1998032946A1/en
Publication of NO970335A publication Critical patent/NO970335A/en
Publication of NO303351B1 publication Critical patent/NO303351B1/en

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
    • E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
    • 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
    • E21B17/043—Threaded with locking means

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
NO970335A 1997-01-27 1997-01-27 Drill string release equipment NO303351B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO970335A NO303351B1 (en) 1997-01-27 1997-01-27 Drill string release equipment
GB9914900A GB2335960B (en) 1997-01-27 1998-01-14 A release equipment for a drill string
AU58859/98A AU5885998A (en) 1997-01-27 1998-01-14 A release equipment for a drill string
PCT/NO1998/000012 WO1998032946A1 (en) 1997-01-27 1998-01-14 A release equipment for a drill string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO970335A NO303351B1 (en) 1997-01-27 1997-01-27 Drill string release equipment

Publications (3)

Publication Number Publication Date
NO970335D0 NO970335D0 (en) 1997-01-27
NO970335A true NO970335A (en) 1998-06-29
NO303351B1 NO303351B1 (en) 1998-06-29

Family

ID=19900298

Family Applications (1)

Application Number Title Priority Date Filing Date
NO970335A NO303351B1 (en) 1997-01-27 1997-01-27 Drill string release equipment

Country Status (4)

Country Link
AU (1) AU5885998A (en)
GB (1) GB2335960B (en)
NO (1) NO303351B1 (en)
WO (1) WO1998032946A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0029097D0 (en) * 2000-11-29 2001-01-10 B D Kendle Engineering Ltd Dimple disconnect
US7100696B2 (en) * 2001-10-01 2006-09-05 Weatherford/Lamb, Inc. Disconnect for use in a wellbore
NO318013B1 (en) 2003-03-21 2005-01-17 Bakke Oil Tools As Device and method for disconnecting a tool from a pipe string
NO339511B1 (en) * 2013-11-28 2016-12-27 4Subsea As Safety release device
CN103924920B (en) * 2014-04-24 2016-03-16 王岳 Drilling tool is with brill safety device
CN106869847A (en) * 2015-12-11 2017-06-20 贵州高峰石油机械股份有限公司 A kind of underground right-hand thread drilling tool Refloatation method and the back-off joint for being used
WO2018140462A1 (en) * 2017-01-24 2018-08-02 Enventure Global Technology, Inc. Hydraulically actuated safety sub
WO2021097011A1 (en) * 2019-11-14 2021-05-20 Schlumberger Technology Corporation Torque transfer system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE528255C (en) * 1928-12-27 1931-06-26 Doheny Stone Drill Co Safety connection for pipe rods in deep boreholes with detachable locking device
US3895829A (en) * 1974-02-04 1975-07-22 Halliburton Co Releasable pipe connector
US4693498A (en) * 1986-04-28 1987-09-15 Mobil Oil Corporation Anti-rotation tubular connection for flowlines or the like

Also Published As

Publication number Publication date
GB9914900D0 (en) 1999-08-25
WO1998032946A1 (en) 1998-07-30
GB2335960B (en) 2001-03-07
NO970335D0 (en) 1997-01-27
GB2335960A (en) 1999-10-06
NO303351B1 (en) 1998-06-29
AU5885998A (en) 1998-08-18

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Legal Events

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