FI831129L - Borrstaongsstyrning - Google Patents

Borrstaongsstyrning

Info

Publication number
FI831129L
FI831129L FI831129A FI831129A FI831129L FI 831129 L FI831129 L FI 831129L FI 831129 A FI831129 A FI 831129A FI 831129 A FI831129 A FI 831129A FI 831129 L FI831129 L FI 831129L
Authority
FI
Finland
Prior art keywords
borrstaongsstyrning
Prior art date
Application number
FI831129A
Other languages
English (en)
Other versions
FI75906C (fi
FI831129A0 (fi
FI75906B (fi
Inventor
Aoke Eugen Jansson
Bror Lennart Soedersten
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 FI831129A0 publication Critical patent/FI831129A0/fi
Publication of FI831129L publication Critical patent/FI831129L/fi
Application granted granted Critical
Publication of FI75906B publication Critical patent/FI75906B/fi
Publication of FI75906C publication Critical patent/FI75906C/fi

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B19/24—Guiding or centralising devices for drilling rods or pipes

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)
FI831129A 1982-04-01 1983-03-31 Borrstaongsstyrning. FI75906C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202083 1982-04-01
SE8202083A SE429150B (sv) 1982-04-01 1982-04-01 Borrstangsstyrning

Publications (4)

Publication Number Publication Date
FI831129A0 FI831129A0 (fi) 1983-03-31
FI831129L true FI831129L (fi) 1983-10-02
FI75906B FI75906B (fi) 1988-04-29
FI75906C FI75906C (fi) 1988-08-08

Family

ID=20346435

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831129A FI75906C (fi) 1982-04-01 1983-03-31 Borrstaongsstyrning.

Country Status (3)

Country Link
FI (1) FI75906C (fi)
NO (1) NO157672C (fi)
SE (1) SE429150B (fi)

Also Published As

Publication number Publication date
FI75906C (fi) 1988-08-08
FI831129A0 (fi) 1983-03-31
NO831189L (no) 1983-10-03
NO157672C (no) 1988-04-27
FI75906B (fi) 1988-04-29
SE429150B (sv) 1983-08-15
NO157672B (no) 1988-01-18

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: ATLAS COPCO AKTIEBOLAG