CA1085377A - Casing tong - Google Patents

Casing tong

Info

Publication number
CA1085377A
CA1085377A CA305,047A CA305047A CA1085377A CA 1085377 A CA1085377 A CA 1085377A CA 305047 A CA305047 A CA 305047A CA 1085377 A CA1085377 A CA 1085377A
Authority
CA
Canada
Prior art keywords
lever arm
gear rim
gripping
radially recessed
housing
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
CA305,047A
Other languages
English (en)
French (fr)
Inventor
Jorg Schulze-Beckinghausen
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 DE2726472A external-priority patent/DE2726472C3/de
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Application granted granted Critical
Publication of CA1085377A publication Critical patent/CA1085377A/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C7/00—Wood-turning machines; Equipment therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Forests & Forestry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
CA305,047A 1977-06-11 1978-06-08 Casing tong Expired CA1085377A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2726472A DE2726472C3 (de) 1977-06-11 1977-06-11 Rohrzange, insbesondere zum Verdrehen von Futterrohren für Bohrlöcher
DE7718536 1977-06-11
DEG7718536.5 1977-06-11
DEP2726472.8 1977-06-11

Publications (1)

Publication Number Publication Date
CA1085377A true CA1085377A (en) 1980-09-09

Family

ID=25772140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA305,047A Expired CA1085377A (en) 1977-06-11 1978-06-08 Casing tong

Country Status (7)

Country Link
AU (1) AU522416B2 (enrdf_load_stackoverflow)
BR (1) BR7803715A (enrdf_load_stackoverflow)
CA (1) CA1085377A (enrdf_load_stackoverflow)
GR (1) GR64993B (enrdf_load_stackoverflow)
IN (1) IN149488B (enrdf_load_stackoverflow)
NL (1) NL189872C (enrdf_load_stackoverflow)
NO (1) NO151254C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO829097A0 (en) * 1997-07-29 1997-08-21 Universal Drilling Systems (Aust) Pty Limited Apparatus for disconnecting drill rods

Also Published As

Publication number Publication date
NL7806271A (en) 1978-12-13
AU3703278A (en) 1979-12-20
NO151254B (no) 1984-11-26
BR7803715A (pt) 1979-01-16
IN149488B (enrdf_load_stackoverflow) 1981-12-26
NO781939L (no) 1978-12-12
GR64993B (en) 1980-06-11
NO151254C (no) 1985-03-06
NL189872B (nl) 1993-03-16
NL189872C (nl) 1993-08-16
AU522416B2 (en) 1982-06-03

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Legal Events

Date Code Title Description
MKEX Expiry