FR1140845A - Molette de trépan rotative pour le forage du sol - Google Patents

Molette de trépan rotative pour le forage du sol

Info

Publication number
FR1140845A
FR1140845A FR1140845DA FR1140845A FR 1140845 A FR1140845 A FR 1140845A FR 1140845D A FR1140845D A FR 1140845DA FR 1140845 A FR1140845 A FR 1140845A
Authority
FR
France
Prior art keywords
soil drilling
rotary bit
bit wheel
wheel
rotary
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of FR1140845A publication Critical patent/FR1140845A/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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
FR1140845D 1956-02-08 1956-02-08 Molette de trépan rotative pour le forage du sol Expired FR1140845A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1140845T 1956-02-08

Publications (1)

Publication Number Publication Date
FR1140845A true FR1140845A (fr) 1957-08-14

Family

ID=9642308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140845D Expired FR1140845A (fr) 1956-02-08 1956-02-08 Molette de trépan rotative pour le forage du sol

Country Status (1)

Country Link
FR (1) FR1140845A (fr)

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