FI833662A - BORRSTAONG FOER EN BERGSBORR. - Google Patents

BORRSTAONG FOER EN BERGSBORR. Download PDF

Info

Publication number
FI833662A
FI833662A FI833662A FI833662A FI833662A FI 833662 A FI833662 A FI 833662A FI 833662 A FI833662 A FI 833662A FI 833662 A FI833662 A FI 833662A FI 833662 A FI833662 A FI 833662A
Authority
FI
Finland
Prior art keywords
borrstaong
bergsborr
foer
borrstaong foer
Prior art date
Application number
FI833662A
Other languages
Finnish (fi)
Other versions
FI833662A0 (en
FI68705B (en
Inventor
Kalevi Helasuo
Original Assignee
Airam Ab Oy
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 Airam Ab Oy filed Critical Airam Ab Oy
Priority to FI833662A priority Critical patent/FI68705B/en
Publication of FI833662A0 publication Critical patent/FI833662A0/en
Priority to SE8404981A priority patent/SE8404981L/en
Publication of FI833662A publication Critical patent/FI833662A/en
Application granted granted Critical
Publication of FI68705B publication Critical patent/FI68705B/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1085—Wear protectors; Blast joints; Hard facing

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)
FI833662A 1983-10-07 1983-10-07 BORRSTAONG FOER EN BERGBORRMASKIN FI68705B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI833662A FI68705B (en) 1983-10-07 1983-10-07 BORRSTAONG FOER EN BERGBORRMASKIN
SE8404981A SE8404981L (en) 1983-10-07 1984-10-05 MOUNTAIN DRILL BAR

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI833662 1983-10-07
FI833662A FI68705B (en) 1983-10-07 1983-10-07 BORRSTAONG FOER EN BERGBORRMASKIN

Publications (3)

Publication Number Publication Date
FI833662A0 FI833662A0 (en) 1983-10-07
FI833662A true FI833662A (en) 1985-04-08
FI68705B FI68705B (en) 1985-06-28

Family

ID=8517878

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833662A FI68705B (en) 1983-10-07 1983-10-07 BORRSTAONG FOER EN BERGBORRMASKIN

Country Status (2)

Country Link
FI (1) FI68705B (en)
SE (1) SE8404981L (en)

Also Published As

Publication number Publication date
SE8404981D0 (en) 1984-10-05
FI833662A0 (en) 1983-10-07
FI68705B (en) 1985-06-28
SE8404981L (en) 1985-04-08

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Legal Events

Date Code Title Description
FC Application refused

Owner name: OY AIRAM AB KOMETA