FR1132458A - Appareil de forage pour terrains - Google Patents

Appareil de forage pour terrains

Info

Publication number
FR1132458A
FR1132458A FR1132458DA FR1132458A FR 1132458 A FR1132458 A FR 1132458A FR 1132458D A FR1132458D A FR 1132458DA FR 1132458 A FR1132458 A FR 1132458A
Authority
FR
France
Prior art keywords
drilling rig
land drilling
land
rig
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.)
Godfrey L Cabot Inc
Original Assignee
Godfrey L Cabot Inc
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 Godfrey L Cabot Inc filed Critical Godfrey L Cabot Inc
Application granted granted Critical
Publication of FR1132458A publication Critical patent/FR1132458A/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
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/12—Electrically operated hammers

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)
FR1132458D 1955-05-31 1955-05-31 Appareil de forage pour terrains Expired FR1132458A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1132458T 1955-05-31

Publications (1)

Publication Number Publication Date
FR1132458A true FR1132458A (fr) 1957-03-12

Family

ID=9638381

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1132458D Expired FR1132458A (fr) 1955-05-31 1955-05-31 Appareil de forage pour terrains

Country Status (1)

Country Link
FR (1) FR1132458A (fr)

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