FR1297278A - Roller drilling machine, for obtaining large diameter holes - Google Patents

Roller drilling machine, for obtaining large diameter holes

Info

Publication number
FR1297278A
FR1297278A FR862203A FR862203A FR1297278A FR 1297278 A FR1297278 A FR 1297278A FR 862203 A FR862203 A FR 862203A FR 862203 A FR862203 A FR 862203A FR 1297278 A FR1297278 A FR 1297278A
Authority
FR
France
Prior art keywords
large diameter
drilling machine
diameter holes
obtaining large
roller 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
FR862203A
Other languages
French (fr)
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.)
MATERIEL DE FORAGE SOC DE FAB
Original Assignee
MATERIEL DE FORAGE SOC DE FAB
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 MATERIEL DE FORAGE SOC DE FAB filed Critical MATERIEL DE FORAGE SOC DE FAB
Priority to FR862203A priority Critical patent/FR1297278A/en
Application granted granted Critical
Publication of FR1297278A publication Critical patent/FR1297278A/en
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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters

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)
FR862203A 1961-05-18 1961-05-18 Roller drilling machine, for obtaining large diameter holes Expired FR1297278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR862203A FR1297278A (en) 1961-05-18 1961-05-18 Roller drilling machine, for obtaining large diameter holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR862203A FR1297278A (en) 1961-05-18 1961-05-18 Roller drilling machine, for obtaining large diameter holes

Publications (1)

Publication Number Publication Date
FR1297278A true FR1297278A (en) 1962-06-29

Family

ID=8755442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862203A Expired FR1297278A (en) 1961-05-18 1961-05-18 Roller drilling machine, for obtaining large diameter holes

Country Status (1)

Country Link
FR (1) FR1297278A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402764A1 (en) * 1977-09-09 1979-04-06 Sandvik Ab TREPAN BORING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402764A1 (en) * 1977-09-09 1979-04-06 Sandvik Ab TREPAN BORING

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