FR2155825B3 - - Google Patents

Info

Publication number
FR2155825B3
FR2155825B3 FR7136221A FR7136221A FR2155825B3 FR 2155825 B3 FR2155825 B3 FR 2155825B3 FR 7136221 A FR7136221 A FR 7136221A FR 7136221 A FR7136221 A FR 7136221A FR 2155825 B3 FR2155825 B3 FR 2155825B3
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
FR7136221A
Other languages
French (fr)
Other versions
FR2155825A1 (enExample
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.)
ROUVIERE ROGER FR
Original Assignee
ROUVIERE ROGER FR
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 ROUVIERE ROGER FR filed Critical ROUVIERE ROGER FR
Priority to FR7136221A priority Critical patent/FR2155825B3/fr
Publication of FR2155825A1 publication Critical patent/FR2155825A1/fr
Application granted granted Critical
Publication of FR2155825B3 publication Critical patent/FR2155825B3/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
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • 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

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)
FR7136221A 1971-10-08 1971-10-08 Expired FR2155825B3 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7136221A FR2155825B3 (enExample) 1971-10-08 1971-10-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7136221A FR2155825B3 (enExample) 1971-10-08 1971-10-08

Publications (2)

Publication Number Publication Date
FR2155825A1 FR2155825A1 (enExample) 1973-05-25
FR2155825B3 true FR2155825B3 (enExample) 1974-06-07

Family

ID=9084087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7136221A Expired FR2155825B3 (enExample) 1971-10-08 1971-10-08

Country Status (1)

Country Link
FR (1) FR2155825B3 (enExample)

Also Published As

Publication number Publication date
FR2155825A1 (enExample) 1973-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse