CA1223001A - Coins mecaniques tournants - Google Patents

Coins mecaniques tournants

Info

Publication number
CA1223001A
CA1223001A CA000462537A CA462537A CA1223001A CA 1223001 A CA1223001 A CA 1223001A CA 000462537 A CA000462537 A CA 000462537A CA 462537 A CA462537 A CA 462537A CA 1223001 A CA1223001 A CA 1223001A
Authority
CA
Canada
Prior art keywords
expansive
ring
air
fluid
fluid conduit
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.)
Expired
Application number
CA000462537A
Other languages
English (en)
Inventor
William E. Crowe
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of CA1223001A publication Critical patent/CA1223001A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • E21B19/07—Slip-type elevators

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)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
CA000462537A 1984-02-10 1984-09-06 Coins mecaniques tournants Expired CA1223001A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57890784A 1984-02-10 1984-02-10
US578,907 1984-02-10

Publications (1)

Publication Number Publication Date
CA1223001A true CA1223001A (fr) 1987-06-16

Family

ID=24314814

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000462537A Expired CA1223001A (fr) 1984-02-10 1984-09-06 Coins mecaniques tournants

Country Status (4)

Country Link
JP (1) JPS60181485A (fr)
CA (1) CA1223001A (fr)
GB (1) GB2153880B (fr)
NO (1) NO850504L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0396747A4 (en) * 1988-10-28 1991-11-13 Vsesojuzny Naucho-Issledovatelsky I Proektono-Kronstruktorsky Pipe-gripping device for rotor of drilling rig

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999260A (en) * 1976-01-09 1976-12-28 Bj-Hughes Inc. Rotary power slip assembly
US4333209A (en) * 1980-07-03 1982-06-08 Bj-Hughes Inc. Rotary power slips

Also Published As

Publication number Publication date
GB2153880B (en) 1987-09-09
JPS60181485A (ja) 1985-09-17
GB2153880A (en) 1985-08-29
GB8502665D0 (en) 1985-03-06
NO850504L (no) 1985-08-12

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Legal Events

Date Code Title Description
MKEX Expiry