SE311130B - - Google Patents

Info

Publication number
SE311130B
SE311130B SE1420/65A SE142065A SE311130B SE 311130 B SE311130 B SE 311130B SE 1420/65 A SE1420/65 A SE 1420/65A SE 142065 A SE142065 A SE 142065A SE 311130 B SE311130 B SE 311130B
Authority
SE
Sweden
Application number
SE1420/65A
Inventor
A Stroemnes
Original Assignee
Atlas Copco Ab
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 by Atlas Copco Ab filed Critical Atlas Copco Ab
Priority to SE1420/65A priority Critical patent/SE311130B/xx
Publication of SE311130B publication Critical patent/SE311130B/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
    • E21B19/086—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 with a fluid-actuated cylinder
    • 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
    • E21C5/10—

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)
SE1420/65A 1965-02-04 1965-02-04 SE311130B (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1420/65A SE311130B (xx) 1965-02-04 1965-02-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1420/65A SE311130B (xx) 1965-02-04 1965-02-04

Publications (1)

Publication Number Publication Date
SE311130B true SE311130B (xx) 1969-06-02

Family

ID=20258156

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1420/65A SE311130B (xx) 1965-02-04 1965-02-04

Country Status (1)

Country Link
SE (1) SE311130B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307882A (en) * 1990-06-15 1994-05-03 Tamrock Oy Apparatus for feeding a drilling machine in extension rod drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307882A (en) * 1990-06-15 1994-05-03 Tamrock Oy Apparatus for feeding a drilling machine in extension rod drilling

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