FI885605A0 - Bergborrningsanordning. - Google Patents

Bergborrningsanordning.

Info

Publication number
FI885605A0
FI885605A0 FI885605A FI885605A FI885605A0 FI 885605 A0 FI885605 A0 FI 885605A0 FI 885605 A FI885605 A FI 885605A FI 885605 A FI885605 A FI 885605A FI 885605 A0 FI885605 A0 FI 885605A0
Authority
FI
Finland
Prior art keywords
bergborrningsanordning
Prior art date
Application number
FI885605A
Other languages
English (en)
Other versions
FI885605A (fi
Inventor
Eskil Torsten Emanue Lidstrand
Bjoern Sigurd Aokre
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
Publication of FI885605A0 publication Critical patent/FI885605A0/fi
Publication of FI885605A publication Critical patent/FI885605A/fi

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)
FI885605A 1987-12-03 1988-12-01 Bergborrningsanordning. FI885605A (fi)

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 (2)

Publication Number Publication Date
FI885605A0 true FI885605A0 (fi) 1988-12-01
FI885605A FI885605A (fi) 1989-06-04

Family

ID=20370492

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885605A FI885605A (fi) 1987-12-03 1988-12-01 Bergborrningsanordning.

Country Status (3)

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

Also Published As

Publication number Publication date
AU2653988A (en) 1989-06-08
SE8704841D0 (sv) 1987-12-03
SE456920B (sv) 1988-11-14
FI885605A (fi) 1989-06-04
AU603721B2 (en) 1990-11-22

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: ATLAS COPCO AKTIEBOLAG