FR428866A - Perfectionnement aux perforatrices - Google Patents

Perfectionnement aux perforatrices

Info

Publication number
FR428866A
FR428866A FR428866A FR428866DA FR428866A FR 428866 A FR428866 A FR 428866A FR 428866 A FR428866 A FR 428866A FR 428866D A FR428866D A FR 428866DA FR 428866 A FR428866 A FR 428866A
Authority
FR
France
Prior art keywords
perforation
training
perforation training
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
FR428866A
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.)
Nya Atlas AB
Original Assignee
Nya Atlas AB
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 Nya Atlas AB filed Critical Nya Atlas AB
Application granted granted Critical
Publication of FR428866A publication Critical patent/FR428866A/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
    • E21B17/046—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)
FR428866A 1911-04-24 1911-04-24 Perfectionnement aux perforatrices Expired FR428866A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR428866T 1911-04-24

Publications (1)

Publication Number Publication Date
FR428866A true FR428866A (fr) 1911-09-09

Family

ID=1471231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR428866A Expired FR428866A (fr) 1911-04-24 1911-04-24 Perfectionnement aux perforatrices

Country Status (1)

Country Link
FR (1) FR428866A (fr)

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