SE8704841D0 - Bergborrningsanordning - Google Patents

Bergborrningsanordning

Info

Publication number
SE8704841D0
SE8704841D0 SE19878704841A SE8704841A SE8704841D0 SE 8704841 D0 SE8704841 D0 SE 8704841D0 SE 19878704841 A SE19878704841 A SE 19878704841A SE 8704841 A SE8704841 A SE 8704841A SE 8704841 D0 SE8704841 D0 SE 8704841D0
Authority
SE
Sweden
Prior art keywords
pressure
fluid
chamber
drilling
neck part
Prior art date
Application number
SE19878704841A
Other languages
English (en)
Other versions
SE456920B (sv
SE8704841A (sv
Inventor
T E * Lidstrand E
S * Akre B
Original Assignee
Atlas Copco Ab Nacka
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 Nacka filed Critical Atlas Copco Ab Nacka
Priority to SE8704841A priority Critical patent/SE456920B/sv
Publication of SE8704841D0 publication Critical patent/SE8704841D0/sv
Publication of SE456920B publication Critical patent/SE456920B/sv
Publication of SE8704841A publication Critical patent/SE8704841A/xx
Priority to FI885605A priority patent/FI885605A/fi
Priority to AU26539/88A priority patent/AU603721B2/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
    • E21B19/08—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

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)
SE8704841A 1987-12-03 1987-12-03 Bergborrningsanordning innefattande en matningsanordning i vilken en tryckkammare ingaar SE456920B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8704841A SE456920B (sv) 1987-12-03 1987-12-03 Bergborrningsanordning innefattande en matningsanordning i vilken en tryckkammare ingaar
FI885605A FI885605A (fi) 1987-12-03 1988-12-01 Bergborrningsanordning.
AU26539/88A AU603721B2 (en) 1987-12-03 1988-12-02 Rock drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8704841A SE456920B (sv) 1987-12-03 1987-12-03 Bergborrningsanordning innefattande en matningsanordning i vilken en tryckkammare ingaar

Publications (3)

Publication Number Publication Date
SE8704841D0 true SE8704841D0 (sv) 1987-12-03
SE456920B SE456920B (sv) 1988-11-14
SE8704841A SE8704841A (sv) 1988-11-14

Family

ID=20370492

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8704841A SE456920B (sv) 1987-12-03 1987-12-03 Bergborrningsanordning innefattande en matningsanordning i vilken en tryckkammare ingaar

Country Status (3)

Country Link
AU (1) AU603721B2 (sv)
FI (1) FI885605A (sv)
SE (1) SE456920B (sv)

Also Published As

Publication number Publication date
SE456920B (sv) 1988-11-14
AU603721B2 (en) 1990-11-22
AU2653988A (en) 1989-06-08
SE8704841A (sv) 1988-11-14
FI885605A (fi) 1989-06-04
FI885605A0 (fi) 1988-12-01

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