FR2140299B1 - - Google Patents

Info

Publication number
FR2140299B1
FR2140299B1 FR7120867A FR7120867A FR2140299B1 FR 2140299 B1 FR2140299 B1 FR 2140299B1 FR 7120867 A FR7120867 A FR 7120867A FR 7120867 A FR7120867 A FR 7120867A FR 2140299 B1 FR2140299 B1 FR 2140299B1
Authority
FR
France
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
FR7120867A
Other languages
French (fr)
Other versions
FR2140299A1 (2
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.)
SP P
Original Assignee
SP P
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 SP P filed Critical SP P
Priority to FR7120867A priority Critical patent/FR2140299B1/fr
Publication of FR2140299A1 publication Critical patent/FR2140299A1/fr
Application granted granted Critical
Publication of FR2140299B1 publication Critical patent/FR2140299B1/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/04—Electric drives

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)
FR7120867A 1971-06-09 1971-06-09 Expired FR2140299B1 (2)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7120867A FR2140299B1 (2) 1971-06-09 1971-06-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7120867A FR2140299B1 (2) 1971-06-09 1971-06-09

Publications (2)

Publication Number Publication Date
FR2140299A1 FR2140299A1 (2) 1973-01-19
FR2140299B1 true FR2140299B1 (2) 1975-07-11

Family

ID=9078343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7120867A Expired FR2140299B1 (2) 1971-06-09 1971-06-09

Country Status (1)

Country Link
FR (1) FR2140299B1 (2)

Also Published As

Publication number Publication date
FR2140299A1 (2) 1973-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse