NL189872C - PIPE ROD, IN PARTICULAR FOR TIGHTENING AND DETACHING DRILL CORE TUBES. - Google Patents

PIPE ROD, IN PARTICULAR FOR TIGHTENING AND DETACHING DRILL CORE TUBES.

Info

Publication number
NL189872C
NL189872C NLAANVRAGE7806271,A NL7806271A NL189872C NL 189872 C NL189872 C NL 189872C NL 7806271 A NL7806271 A NL 7806271A NL 189872 C NL189872 C NL 189872C
Authority
NL
Netherlands
Prior art keywords
tightening
pipe rod
drill core
core tubes
detaching
Prior art date
Application number
NLAANVRAGE7806271,A
Other languages
Dutch (nl)
Other versions
NL189872B (en
NL7806271A (en
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/en
Application filed by Weatherford Lamb filed Critical Weatherford Lamb
Publication of NL7806271A publication Critical patent/NL7806271A/en
Publication of NL189872B publication Critical patent/NL189872B/en
Application granted granted Critical
Publication of NL189872C publication Critical patent/NL189872C/en

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)
NLAANVRAGE7806271,A 1977-06-11 1978-06-09 PIPE ROD, IN PARTICULAR FOR TIGHTENING AND DETACHING DRILL CORE TUBES. NL189872C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7718536 1977-06-11
DE2726472A DE2726472C3 (en) 1977-06-11 1977-06-11 Pipe wrench, in particular for twisting casing pipes for boreholes

Publications (3)

Publication Number Publication Date
NL7806271A NL7806271A (en) 1978-12-13
NL189872B NL189872B (en) 1993-03-16
NL189872C true NL189872C (en) 1993-08-16

Family

ID=25772140

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7806271,A NL189872C (en) 1977-06-11 1978-06-09 PIPE ROD, IN PARTICULAR FOR TIGHTENING AND DETACHING DRILL CORE TUBES.

Country Status (7)

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

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
NO151254C (en) 1985-03-06
AU522416B2 (en) 1982-06-03
AU3703278A (en) 1979-12-20
IN149488B (en) 1981-12-26
CA1085377A (en) 1980-09-09
GR64993B (en) 1980-06-11
NL189872B (en) 1993-03-16
NO151254B (en) 1984-11-26
NO781939L (en) 1978-12-12
BR7803715A (en) 1979-01-16
NL7806271A (en) 1978-12-13

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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