SE227863C1 - - Google Patents

Info

Publication number
SE227863C1
SE227863C1 SE227863DA SE227863C1 SE 227863 C1 SE227863 C1 SE 227863C1 SE 227863D A SE227863D A SE 227863DA SE 227863 C1 SE227863 C1 SE 227863C1
Authority
SE
Sweden
Application number
Publication date
Publication of SE227863C1 publication Critical patent/SE227863C1/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042Threaded
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like

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)
SE227863D SE227863C1 (index.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE227863T

Publications (1)

Publication Number Publication Date
SE227863C1 true SE227863C1 (index.php) 1976-06-13

Family

ID=38420474

Family Applications (1)

Application Number Title Priority Date Filing Date
SE227863D SE227863C1 (index.php)

Country Status (1)

Country Link
SE (1) SE227863C1 (index.php)

Similar Documents

Publication Publication Date Title
DK170077A (index.php)
DE2657977C2 (index.php)
DK22977A (index.php)
DE2654225C3 (index.php)
DE2659476C2 (index.php)
FI52009B (index.php)
DK137057C (index.php)
CS178391B1 (index.php)
CS184186B1 (index.php)
CH611153A5 (index.php)
CH614358A5 (index.php)
CH597879A5 (index.php)
CH599197A5 (index.php)
CH600082A5 (index.php)
CH600264A5 (index.php)
CH601865A5 (index.php)
CH603277A5 (index.php)
CH603303A5 (index.php)
CH603419A5 (index.php)
CH604325A5 (index.php)
CH604483A5 (index.php)
CH604880A5 (index.php)
CH604971A5 (index.php)
CH608059A5 (index.php)
CH596512A5 (index.php)