NL6714694A - - Google Patents

Info

Publication number
NL6714694A
NL6714694A NL6714694A NL6714694A NL6714694A NL 6714694 A NL6714694 A NL 6714694A NL 6714694 A NL6714694 A NL 6714694A NL 6714694 A NL6714694 A NL 6714694A NL 6714694 A NL6714694 A NL 6714694A
Authority
NL
Netherlands
Application number
NL6714694A
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
Publication of NL6714694A publication Critical patent/NL6714694A/xx

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
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm

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)
NL6714694A 1966-12-24 1967-10-30 NL6714694A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEO0012177 1966-12-24

Publications (1)

Publication Number Publication Date
NL6714694A true NL6714694A (enrdf_load_stackoverflow) 1968-06-25

Family

ID=7352635

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6714694A NL6714694A (enrdf_load_stackoverflow) 1966-12-24 1967-10-30

Country Status (5)

Country Link
AT (1) AT274689B (enrdf_load_stackoverflow)
BE (1) BE705868A (enrdf_load_stackoverflow)
DE (1) DE1634913A1 (enrdf_load_stackoverflow)
FR (1) FR1548097A (enrdf_load_stackoverflow)
NL (1) NL6714694A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1229333A (en) * 1984-09-07 1987-11-17 Bernard L. Gien Truck mounted drilling machine

Also Published As

Publication number Publication date
FR1548097A (enrdf_load_stackoverflow) 1968-11-29
AT274689B (de) 1969-09-25
DE1634913A1 (enrdf_load_stackoverflow) 1970-08-13
BE705868A (enrdf_load_stackoverflow) 1968-03-01

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