NO993501L - Krafttang - Google Patents

Krafttang

Info

Publication number
NO993501L
NO993501L NO993501A NO993501A NO993501L NO 993501 L NO993501 L NO 993501L NO 993501 A NO993501 A NO 993501A NO 993501 A NO993501 A NO 993501A NO 993501 L NO993501 L NO 993501L
Authority
NO
Norway
Prior art keywords
kraft
tang
kraft tang
Prior art date
Application number
NO993501A
Other languages
English (en)
Other versions
NO314272B1 (no
NO993501D0 (no
Inventor
Gary D Mcdaniels
Patrick D Cummings
Michael W Hayes
Stephen L Albright
Original Assignee
Weatherford Lamb
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 filed Critical Weatherford Lamb
Publication of NO993501D0 publication Critical patent/NO993501D0/no
Publication of NO993501L publication Critical patent/NO993501L/no
Publication of NO314272B1 publication Critical patent/NO314272B1/no

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)
NO19993501A 1997-02-19 1999-07-15 Krafttang NO314272B1 (no)

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 (3)

Publication Number Publication Date
NO993501D0 NO993501D0 (no) 1999-07-15
NO993501L true NO993501L (no) 1999-10-13
NO314272B1 NO314272B1 (no) 2003-02-24

Family

ID=25184262

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19993501A NO314272B1 (no) 1997-02-19 1999-07-15 Krafttang

Country Status (6)

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

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 (en) 1999-12-15
DE69801101T2 (de) 2002-03-21
EP0963503B1 (en) 2001-07-11
CA2281592C (en) 2006-12-12
NO314272B1 (no) 2003-02-24
CA2281592A1 (en) 1998-08-27
NO993501D0 (no) 1999-07-15
DE69801101D1 (de) 2001-08-16

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees