BE869971A - Mandrin d'entrainement d'une tige de forage - Google Patents

Mandrin d'entrainement d'une tige de forage

Info

Publication number
BE869971A
BE869971A BE190067A BE190067A BE869971A BE 869971 A BE869971 A BE 869971A BE 190067 A BE190067 A BE 190067A BE 190067 A BE190067 A BE 190067A BE 869971 A BE869971 A BE 869971A
Authority
BE
Belgium
Prior art keywords
drill rod
rod drive
drive chuck
chuck
drill
Prior art date
Application number
BE190067A
Other languages
English (en)
Original Assignee
Diamant Boart Sa
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 Diamant Boart Sa filed Critical Diamant Boart Sa
Priority to BE190067A priority Critical patent/BE869971A/fr
Publication of BE869971A publication Critical patent/BE869971A/fr
Priority to EP79200446A priority patent/EP0008477B1/fr
Priority to DE7979200446T priority patent/DE2962450D1/de
Priority to AT79200446T priority patent/ATE831T1/de
Priority to CA000334418A priority patent/CA1120913A/fr
Priority to NO792761A priority patent/NO153981C/no
Priority to US06/069,410 priority patent/US4273200A/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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/16158—Jaws movement actuated by coaxial conical surfaces
    • B23B31/16179—Jaws movement actuated by coaxial conical surfaces using fluid-pressure means to actuate the gripping 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)
BE190067A 1978-08-25 1978-08-25 Mandrin d'entrainement d'une tige de forage BE869971A (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE190067A BE869971A (fr) 1978-08-25 1978-08-25 Mandrin d'entrainement d'une tige de forage
EP79200446A EP0008477B1 (fr) 1978-08-25 1979-08-13 Mandrin d'entraînement d'une tige de forage
DE7979200446T DE2962450D1 (en) 1978-08-25 1979-08-13 Chuck for driving a drill pipe
AT79200446T ATE831T1 (de) 1978-08-25 1979-08-13 Antriebsfutter fuer ein bohrgestaenge.
CA000334418A CA1120913A (fr) 1978-08-25 1979-08-24 Mandrin d'entrainement d'une tige de forage
NO792761A NO153981C (no) 1978-08-25 1979-08-24 Chuck for en borestang.
US06/069,410 US4273200A (en) 1978-08-25 1979-08-24 Drive mandrel for a drilling stem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE869971 1978-08-25
BE190067A BE869971A (fr) 1978-08-25 1978-08-25 Mandrin d'entrainement d'une tige de forage

Publications (1)

Publication Number Publication Date
BE869971A true BE869971A (fr) 1978-12-18

Family

ID=25650954

Family Applications (1)

Application Number Title Priority Date Filing Date
BE190067A BE869971A (fr) 1978-08-25 1978-08-25 Mandrin d'entrainement d'une tige de forage

Country Status (1)

Country Link
BE (1) BE869971A (fr)

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DIAMANT BOART

Effective date: 19910831