SE8404981D0 - MOUNTAIN DRILL BAR - Google Patents

MOUNTAIN DRILL BAR

Info

Publication number
SE8404981D0
SE8404981D0 SE8404981A SE8404981A SE8404981D0 SE 8404981 D0 SE8404981 D0 SE 8404981D0 SE 8404981 A SE8404981 A SE 8404981A SE 8404981 A SE8404981 A SE 8404981A SE 8404981 D0 SE8404981 D0 SE 8404981D0
Authority
SE
Sweden
Prior art keywords
drill bar
mountain drill
mountain
bar
drill
Prior art date
Application number
SE8404981A
Other languages
Swedish (sv)
Other versions
SE8404981L (en
Inventor
K 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
Publication of SE8404981D0 publication Critical patent/SE8404981D0/en
Publication of SE8404981L publication Critical patent/SE8404981L/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)
SE8404981A 1983-10-07 1984-10-05 MOUNTAIN DRILL BAR SE8404981L (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE8404981D0 true SE8404981D0 (en) 1984-10-05
SE8404981L SE8404981L (en) 1985-04-08

Family

ID=8517878

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8404981A SE8404981L (en) 1983-10-07 1984-10-05 MOUNTAIN DRILL BAR

Country Status (2)

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

Also Published As

Publication number Publication date
FI833662A (en) 1985-04-08
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
NAV Patent application has lapsed

Ref document number: 8404981-6

Effective date: 19880924