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 (https=
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 (https=)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=9078343

Family Applications (1)

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

Country Status (1)

Country Link
FR (1) FR2140299B1 (https=)

Also Published As

Publication number Publication date
FR2140299A1 (https=) 1973-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse