BR7803715A - Lingueta de involucro - Google Patents

Lingueta de involucro

Info

Publication number
BR7803715A
BR7803715A BR787803715A BR7803715A BR7803715A BR 7803715 A BR7803715 A BR 7803715A BR 787803715 A BR787803715 A BR 787803715A BR 7803715 A BR7803715 A BR 7803715A BR 7803715 A BR7803715 A BR 7803715A
Authority
BR
Brazil
Prior art keywords
tongue
involving
involving tongue
Prior art date
Application number
BR787803715A
Other languages
English (en)
Inventor
Joerg Schulze-Beckinghausen
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 DE2726472A external-priority patent/DE2726472C3/de
Application filed by Weatherford Lamb filed Critical Weatherford Lamb
Publication of BR7803715A publication Critical patent/BR7803715A/pt

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)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Drilling And Boring (AREA)
  • Drilling Tools (AREA)
BR787803715A 1977-06-11 1978-06-09 Lingueta de involucro BR7803715A (pt)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
BR7803715A true BR7803715A (pt) 1979-01-16

Family

ID=25772140

Family Applications (1)

Application Number Title Priority Date Filing Date
BR787803715A BR7803715A (pt) 1977-06-11 1978-06-09 Lingueta de involucro

Country Status (7)

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

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
NL189872C (nl) 1993-08-16
GR64993B (en) 1980-06-11
CA1085377A (en) 1980-09-09
NO781939L (no) 1978-12-12
NO151254B (no) 1984-11-26
NL189872B (nl) 1993-03-16
AU3703278A (en) 1979-12-20
AU522416B2 (en) 1982-06-03
IN149488B (pt) 1981-12-26
NL7806271A (en) 1978-12-13
NO151254C (no) 1985-03-06

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