CA2179816A1 - Power Tong Wrench - Google Patents

Power Tong Wrench

Info

Publication number
CA2179816A1
CA2179816A1 CA2179816A CA2179816A CA2179816A1 CA 2179816 A1 CA2179816 A1 CA 2179816A1 CA 2179816 A CA2179816 A CA 2179816A CA 2179816 A CA2179816 A CA 2179816A CA 2179816 A1 CA2179816 A1 CA 2179816A1
Authority
CA
Canada
Prior art keywords
power tong
wrench
threads
tong wrench
pump
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.)
Granted
Application number
CA2179816A
Other languages
French (fr)
Other versions
CA2179816C (en
Inventor
Allan S. Richardson
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.)
Canrig Drilling Technology Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2179816A1 publication Critical patent/CA2179816A1/en
Application granted granted Critical
Publication of CA2179816C publication Critical patent/CA2179816C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • 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)

Abstract

A power tong wrench having an open slot to accommodate a range of pipe diameters, capable of making and breaking pipe threads and spinning in or out the threads and in which hydraulic power is supplied with a pump disposed within a rotary assembly (10) which pump is powered through a preferably magnetic coupling (42) to a motor (41) disposed outside the rotary assembly (10).
CA002179816A 1994-01-31 1995-01-31 Power tong wrench Expired - Lifetime CA2179816C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18935694A 1994-01-31 1994-01-31
US189,356 1994-01-31
PCT/US1995/001264 WO1995020471A1 (en) 1994-01-31 1995-01-31 Power tong wrench

Publications (2)

Publication Number Publication Date
CA2179816A1 true CA2179816A1 (en) 1995-08-03
CA2179816C CA2179816C (en) 2001-01-02

Family

ID=22696976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002179816A Expired - Lifetime CA2179816C (en) 1994-01-31 1995-01-31 Power tong wrench

Country Status (2)

Country Link
CA (1) CA2179816C (en)
WO (1) WO1995020471A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2346576B (en) * 1999-01-28 2003-08-13 Weatherford Lamb A rotary and a method for facilitating the connection of pipes
EP1200705B1 (en) * 1999-07-29 2003-09-10 Weatherford/Lamb, Inc. An apparatus and method for facilitating the connection of pipes
US7114235B2 (en) 2002-09-12 2006-10-03 Weatherford/Lamb, Inc. Automated pipe joining system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649777A (en) * 1984-06-21 1987-03-17 David Buck Back-up power tongs
US4696206A (en) * 1986-04-10 1987-09-29 Hughes Tool Company Torque wrench
US4811635A (en) * 1987-09-24 1989-03-14 Falgout Sr Thomas E Power tong improvement
NO163973C (en) * 1988-04-19 1990-08-15 Maritime Hydraulics As MOMENT tong.
GB9107813D0 (en) * 1991-04-12 1991-05-29 Weatherford Lamb Tong
GB9107826D0 (en) * 1991-04-12 1991-05-29 Weatherford Lamb Rotary for use in a power tong
GB9107788D0 (en) * 1991-04-12 1991-05-29 Weatherford Lamb Power tong for releasing tight joints

Also Published As

Publication number Publication date
CA2179816C (en) 2001-01-02
WO1995020471A1 (en) 1995-08-03

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20150202