DE2165992A1 - - Google Patents

Info

Publication number
DE2165992A1
DE2165992A1 DE19512165992 DE2165992A DE2165992A1 DE 2165992 A1 DE2165992 A1 DE 2165992A1 DE 19512165992 DE19512165992 DE 19512165992 DE 2165992 A DE2165992 A DE 2165992A DE 2165992 A1 DE2165992 A1 DE 2165992A1
Authority
DE
Germany
Prior art keywords
key
jaws
drill
pipe
wrench
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
DE19512165992
Other languages
German (de)
English (en)
Other versions
DE2165992C3 (enExample
DE2165992B2 (en
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 filed Critical
Priority to DE2165992*A priority Critical patent/DE2165992B2/de
Publication of DE2165992A1 publication Critical patent/DE2165992A1/de
Publication of DE2165992B2 publication Critical patent/DE2165992B2/de
Application granted granted Critical
Publication of DE2165992C3 publication Critical patent/DE2165992C3/de
Granted 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
    • E21B19/167—Connecting or disconnecting pipe couplings or joints using a wrench adapted to engage a non circular section of pipe, e.g. a section with flats or splines
    • 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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/022—Top drives

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)
DE2165992*A 1951-01-28 1951-01-28 Drill pipe power tongs - with three jaws having interlocking faces in the gripping position Granted DE2165992B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2165992*A DE2165992B2 (en) 1951-01-28 1951-01-28 Drill pipe power tongs - with three jaws having interlocking faces in the gripping position

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2165992*A DE2165992B2 (en) 1951-01-28 1951-01-28 Drill pipe power tongs - with three jaws having interlocking faces in the gripping position
US7502070A 1970-09-24 1970-09-24

Publications (3)

Publication Number Publication Date
DE2165992A1 true DE2165992A1 (enExample) 1972-08-10
DE2165992B2 DE2165992B2 (en) 1973-10-25
DE2165992C3 DE2165992C3 (enExample) 1974-05-22

Family

ID=25762272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2165992*A Granted DE2165992B2 (en) 1951-01-28 1951-01-28 Drill pipe power tongs - with three jaws having interlocking faces in the gripping position

Country Status (1)

Country Link
DE (1) DE2165992B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225979A1 (de) * 1985-12-13 1987-06-24 Ing. Günter Klemm Spezialunternehmen für Bohrtechnik Erdbohrgerät

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225979A1 (de) * 1985-12-13 1987-06-24 Ing. Günter Klemm Spezialunternehmen für Bohrtechnik Erdbohrgerät

Also Published As

Publication number Publication date
DE2165992C3 (enExample) 1974-05-22
DE2165992B2 (en) 1973-10-25

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee