FI881622A0 - Haollarring foer skaer foer tillvaratagande av delar av en borrstaong. - Google Patents

Haollarring foer skaer foer tillvaratagande av delar av en borrstaong.

Info

Publication number
FI881622A0
FI881622A0 FI881622A FI881622A FI881622A0 FI 881622 A0 FI881622 A0 FI 881622A0 FI 881622 A FI881622 A FI 881622A FI 881622 A FI881622 A FI 881622A FI 881622 A0 FI881622 A0 FI 881622A0
Authority
FI
Finland
Prior art keywords
foer
haollarring
borrstaong
skaer
delar
Prior art date
Application number
FI881622A
Other languages
English (en)
Other versions
FI881622A (fi
Inventor
Jean-Paul Sauve
William Lawrie
Original Assignee
Inco 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 Inco Ltd filed Critical Inco Ltd
Publication of FI881622A0 publication Critical patent/FI881622A0/fi
Publication of FI881622A publication Critical patent/FI881622A/fi

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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
    • E21B17/06—Releasing-joints, e.g. safety joints
    • 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
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers

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)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)
FI881622A 1987-04-08 1988-04-07 Haollarring foer skaer foer tillvaratagande av delar av en borrstaong. FI881622A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA534135 1987-04-08

Publications (2)

Publication Number Publication Date
FI881622A0 true FI881622A0 (fi) 1988-04-07
FI881622A FI881622A (fi) 1988-10-09

Family

ID=4135391

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881622A FI881622A (fi) 1987-04-08 1988-04-07 Haollarring foer skaer foer tillvaratagande av delar av en borrstaong.

Country Status (7)

Country Link
EP (1) EP0286373A3 (fi)
JP (1) JPS63268895A (fi)
AU (1) AU1432988A (fi)
BR (1) BR8801655A (fi)
FI (1) FI881622A (fi)
ZA (1) ZA882413B (fi)
ZW (1) ZW3688A1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962822A (en) * 1989-12-15 1990-10-16 Numa Tool Company Downhole drill bit and bit coupling
US6070678A (en) * 1998-05-01 2000-06-06 Numa Tool Company Bit retention system
US6021856A (en) * 1998-05-29 2000-02-08 Numa Tool Company Bit retention system
WO2002025054A1 (en) * 2000-09-22 2002-03-28 Ingersoll-Rand Company Quick release drill bit for down-hole drills
GB2378196B (en) * 2001-07-30 2005-09-14 Smith International Downhole release joint
US6892832B2 (en) * 2001-11-16 2005-05-17 Varel International, Ltd. Breakable washer earth boring bit
US20050061551A1 (en) * 2003-08-13 2005-03-24 Baker Hughes Incorporated Releasable mill
CA2828486C (en) * 2011-02-28 2015-09-29 Neil H. Akkerman Disconnect assembly for cylindrical members
CN103774998A (zh) * 2012-10-18 2014-05-07 张卫星 钻探用内芯可脱式钻头的内芯开启装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322216A (en) * 1964-11-18 1967-05-30 Ingersoll Rand Co Anvil for percussive drill
US3499664A (en) * 1968-07-29 1970-03-10 Bruns Tool Co Releasing collar
GB1419981A (en) * 1973-01-09 1976-01-07 Halifax Tool Co Ltd Percussion drills
GB1472501A (en) * 1975-01-13 1977-05-04 Gien Abraham Pneumatic percussive machines
US3945444A (en) * 1975-04-01 1976-03-23 The Anaconda Company Split bit casing drill
US4445572A (en) * 1981-08-17 1984-05-01 Baker International Corporation Unrestricted bore safety joint
DE3514030A1 (de) * 1985-04-18 1986-10-23 Hütte & Co. Bohrtechnik GmbH, 5960 Olpe Bohrvorrichtung, insbesondere zum rammbohren
FR2595404B1 (fr) * 1986-03-10 1988-07-08 Alsthom Raccord pour forage

Also Published As

Publication number Publication date
BR8801655A (pt) 1988-11-16
JPS63268895A (ja) 1988-11-07
EP0286373A2 (en) 1988-10-12
ZA882413B (en) 1988-09-28
ZW3688A1 (en) 1988-10-12
AU1432988A (en) 1988-10-13
FI881622A (fi) 1988-10-09
EP0286373A3 (en) 1989-07-12

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: INCO LIMITED