FR1238331A - Mine foil extension for deep drilling - Google Patents

Mine foil extension for deep drilling

Info

Publication number
FR1238331A
FR1238331A FR798818A FR798818A FR1238331A FR 1238331 A FR1238331 A FR 1238331A FR 798818 A FR798818 A FR 798818A FR 798818 A FR798818 A FR 798818A FR 1238331 A FR1238331 A FR 1238331A
Authority
FR
France
Prior art keywords
mine
deep drilling
foil extension
foil
extension
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR798818A
Other languages
French (fr)
Inventor
Rene Geoffroy
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
Priority to FR798818A priority Critical patent/FR1238331A/en
Application granted granted Critical
Publication of FR1238331A publication Critical patent/FR1238331A/en
Expired legal-status Critical Current

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
    • E21B17/22—Rods or pipes with helical structure
    • 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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

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)
FR798818A 1959-06-29 1959-06-29 Mine foil extension for deep drilling Expired FR1238331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR798818A FR1238331A (en) 1959-06-29 1959-06-29 Mine foil extension for deep drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798818A FR1238331A (en) 1959-06-29 1959-06-29 Mine foil extension for deep drilling

Publications (1)

Publication Number Publication Date
FR1238331A true FR1238331A (en) 1960-08-12

Family

ID=8716584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798818A Expired FR1238331A (en) 1959-06-29 1959-06-29 Mine foil extension for deep drilling

Country Status (1)

Country Link
FR (1) FR1238331A (en)

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