NO751629L - - Google Patents

Info

Publication number
NO751629L
NO751629L NO751629A NO751629A NO751629L NO 751629 L NO751629 L NO 751629L NO 751629 A NO751629 A NO 751629A NO 751629 A NO751629 A NO 751629A NO 751629 L NO751629 L NO 751629L
Authority
NO
Norway
Prior art keywords
sleeve
groove
hole
rotation
specified
Prior art date
Application number
NO751629A
Other languages
English (en)
Norwegian (no)
Inventor
I Niemi
Original Assignee
Luossavaara Kiirunavaara 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 Luossavaara Kiirunavaara Ab filed Critical Luossavaara Kiirunavaara Ab
Publication of NO751629L publication Critical patent/NO751629L/no

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
    • E21B17/043—Threaded with locking means

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)
NO751629A 1974-05-07 1975-05-06 NO751629L (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7406078A SE382089B (sv) 1974-05-07 1974-05-07 Lasanordning for skarvdon till borrstenger

Publications (1)

Publication Number Publication Date
NO751629L true NO751629L (cs) 1975-11-10

Family

ID=20321049

Family Applications (1)

Application Number Title Priority Date Filing Date
NO751629A NO751629L (cs) 1974-05-07 1975-05-06

Country Status (3)

Country Link
FI (1) FI751350A7 (cs)
NO (1) NO751629L (cs)
SE (1) SE382089B (cs)

Also Published As

Publication number Publication date
SE7406078L (sv) 1975-11-10
SE382089B (sv) 1976-01-12
FI751350A7 (cs) 1975-11-08

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