SE220483C1 - - Google Patents

Info

Publication number
SE220483C1
SE220483C1 SE1327065A SE1327065A SE220483C1 SE 220483 C1 SE220483 C1 SE 220483C1 SE 1327065 A SE1327065 A SE 1327065A SE 1327065 A SE1327065 A SE 1327065A SE 220483 C1 SE220483 C1 SE 220483C1
Authority
SE
Sweden
Application number
SE1327065A
Other languages
Swedish (sv)
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 filed Critical
Publication of SE220483C1 publication Critical patent/SE220483C1/sv

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
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; 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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
SE1327065A 1965-05-12 1965-10-13 SE220483C1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45509865A 1965-05-12 1965-05-12

Publications (1)

Publication Number Publication Date
SE220483C1 true SE220483C1 (enrdf_load_html_response) 1968-05-14

Family

ID=23807396

Family Applications (2)

Application Number Title Priority Date Filing Date
SE1327065A SE220483C1 (enrdf_load_html_response) 1965-05-12 1965-10-13
SE5222/67A SE306067B (enrdf_load_html_response) 1965-05-12 1967-04-14

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE5222/67A SE306067B (enrdf_load_html_response) 1965-05-12 1967-04-14

Country Status (2)

Country Link
GB (1) GB1071288A (enrdf_load_html_response)
SE (2) SE220483C1 (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE401232B (sv) * 1970-05-04 1978-04-24 Sandvik Ab Gengad forbindning for slagborrstenger

Also Published As

Publication number Publication date
GB1071288A (en) 1967-06-07
SE306067B (enrdf_load_html_response) 1968-11-18

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