FR756624A - Tête amovible pour outil de forage - Google Patents

Tête amovible pour outil de forage

Info

Publication number
FR756624A
FR756624A FR756624DA FR756624A FR 756624 A FR756624 A FR 756624A FR 756624D A FR756624D A FR 756624DA FR 756624 A FR756624 A FR 756624A
Authority
FR
France
Prior art keywords
drilling tool
removable head
removable
head
drilling
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
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Ingersoll Rand
Original Assignee
Compagnie Ingersoll Rand
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 Compagnie Ingersoll Rand filed Critical Compagnie Ingersoll Rand
Application granted granted Critical
Publication of FR756624A publication Critical patent/FR756624A/fr
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
    • E21B17/02—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

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)
FR756624D 1933-06-07 1933-06-07 Tête amovible pour outil de forage Expired FR756624A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR756624T 1933-06-07

Publications (1)

Publication Number Publication Date
FR756624A true FR756624A (fr) 1933-12-13

Family

ID=9165694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR756624D Expired FR756624A (fr) 1933-06-07 1933-06-07 Tête amovible pour outil de forage

Country Status (1)

Country Link
FR (1) FR756624A (fr)

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