ATA218675A - Schwerstange fur ein bohrgestange - Google Patents

Schwerstange fur ein bohrgestange

Info

Publication number
ATA218675A
ATA218675A AT218675A AT218675A ATA218675A AT A218675 A ATA218675 A AT A218675A AT 218675 A AT218675 A AT 218675A AT 218675 A AT218675 A AT 218675A AT A218675 A ATA218675 A AT A218675A
Authority
AT
Austria
Prior art keywords
bar
drill rod
drill
rod
Prior art date
Application number
AT218675A
Other languages
English (en)
Other versions
AT339231B (de
Original Assignee
Oemv Ag
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 Oemv Ag filed Critical Oemv Ag
Priority to AT218675A priority Critical patent/AT339231B/de
Publication of ATA218675A publication Critical patent/ATA218675A/de
Application granted granted Critical
Publication of AT339231B publication Critical patent/AT339231B/de

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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B17/16—Drill collars

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)
AT218675A 1975-03-21 1975-03-21 Schwerstange fur ein bohrgestange AT339231B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT218675A AT339231B (de) 1975-03-21 1975-03-21 Schwerstange fur ein bohrgestange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT218675A AT339231B (de) 1975-03-21 1975-03-21 Schwerstange fur ein bohrgestange

Publications (2)

Publication Number Publication Date
ATA218675A true ATA218675A (de) 1977-02-15
AT339231B AT339231B (de) 1977-10-10

Family

ID=3529554

Family Applications (1)

Application Number Title Priority Date Filing Date
AT218675A AT339231B (de) 1975-03-21 1975-03-21 Schwerstange fur ein bohrgestange

Country Status (1)

Country Link
AT (1) AT339231B (de)

Also Published As

Publication number Publication date
AT339231B (de) 1977-10-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification