DE69801101D1 - Kraftzange - Google Patents

Kraftzange

Info

Publication number
DE69801101D1
DE69801101D1 DE69801101T DE69801101T DE69801101D1 DE 69801101 D1 DE69801101 D1 DE 69801101D1 DE 69801101 T DE69801101 T DE 69801101T DE 69801101 T DE69801101 T DE 69801101T DE 69801101 D1 DE69801101 D1 DE 69801101D1
Authority
DE
Germany
Prior art keywords
forceps
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 - Fee Related
Application number
DE69801101T
Other languages
English (en)
Other versions
DE69801101T2 (de
Inventor
D Mcdaniels
D Cummings
W Hayes
L Albright
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
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
Priority claimed from US08/802,629 external-priority patent/US6082224A/en
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Application granted granted Critical
Publication of DE69801101D1 publication Critical patent/DE69801101D1/de
Publication of DE69801101T2 publication Critical patent/DE69801101T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
    • E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Hybrid Cells (AREA)
  • Secondary Cells (AREA)
  • Amplifiers (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Replacement Of Web Rolls (AREA)
  • Load-Engaging Elements For Cranes (AREA)
DE69801101T 1997-02-19 1998-01-29 Kraftzange Expired - Fee Related DE69801101T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/802,629 US6082224A (en) 1997-01-29 1997-02-19 Power tong
PCT/GB1998/000281 WO1998037304A1 (en) 1997-02-19 1998-01-29 Power tong

Publications (2)

Publication Number Publication Date
DE69801101D1 true DE69801101D1 (de) 2001-08-16
DE69801101T2 DE69801101T2 (de) 2002-03-21

Family

ID=25184262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69801101T Expired - Fee Related DE69801101T2 (de) 1997-02-19 1998-01-29 Kraftzange

Country Status (6)

Country Link
EP (1) EP0963503B1 (de)
AU (1) AU727450B2 (de)
CA (1) CA2281592C (de)
DE (1) DE69801101T2 (de)
NO (1) NO314272B1 (de)
WO (1) WO1998037304A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2384050A1 (en) * 2002-04-30 2003-10-30 Mccoy Bros. Inc. Power tong with sliding jaw

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2726472C3 (de) * 1977-06-11 1981-03-26 Weatherford Oil Tool GmbH, 30855 Langenhagen Rohrzange, insbesondere zum Verdrehen von Futterrohren für Bohrlöcher

Also Published As

Publication number Publication date
WO1998037304A1 (en) 1998-08-27
AU727450B2 (en) 2000-12-14
AU5872798A (en) 1998-09-09
EP0963503A1 (de) 1999-12-15
DE69801101T2 (de) 2002-03-21
NO993501L (no) 1999-10-13
EP0963503B1 (de) 2001-07-11
CA2281592C (en) 2006-12-12
NO314272B1 (no) 2003-02-24
CA2281592A1 (en) 1998-08-27
NO993501D0 (no) 1999-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee