FR687791A - Perfectionnement aux outils pour forage rotary - Google Patents

Perfectionnement aux outils pour forage rotary

Info

Publication number
FR687791A
FR687791A FR687791DA FR687791A FR 687791 A FR687791 A FR 687791A FR 687791D A FR687791D A FR 687791DA FR 687791 A FR687791 A FR 687791A
Authority
FR
France
Prior art keywords
rotary drilling
drilling tools
advanced training
training
advanced
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)
Inventor
Paul Verdavainne
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.)
ANCIENS DE HULS Ets
Original Assignee
ANCIENS DE HULS Ets
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 ANCIENS DE HULS Ets filed Critical ANCIENS DE HULS Ets
Application granted granted Critical
Publication of FR687791A publication Critical patent/FR687791A/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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers

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)
FR687791D 1929-03-04 1930-01-07 Perfectionnement aux outils pour forage rotary Expired FR687791A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE687791X 1929-03-04

Publications (1)

Publication Number Publication Date
FR687791A true FR687791A (fr) 1930-08-13

Family

ID=6598338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687791D Expired FR687791A (fr) 1929-03-04 1930-01-07 Perfectionnement aux outils pour forage rotary

Country Status (1)

Country Link
FR (1) FR687791A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511991A (en) * 1948-02-13 1950-06-20 Nussbaum Leon Rotary drilling tool
US2949281A (en) * 1957-09-06 1960-08-16 Hughes Tool Co Large diameter earth boring drill
FR2513304A1 (fr) * 1981-09-22 1983-03-25 Dn Inzh Str Inst Outil pour le forage dans le sol de trous a parois renforcees et procede de forage de tels trous
FR2562947A1 (fr) * 1984-04-14 1985-10-18 Christensen Inc Norton Trepan rotatif pour forages profonds

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511991A (en) * 1948-02-13 1950-06-20 Nussbaum Leon Rotary drilling tool
US2949281A (en) * 1957-09-06 1960-08-16 Hughes Tool Co Large diameter earth boring drill
FR2513304A1 (fr) * 1981-09-22 1983-03-25 Dn Inzh Str Inst Outil pour le forage dans le sol de trous a parois renforcees et procede de forage de tels trous
FR2562947A1 (fr) * 1984-04-14 1985-10-18 Christensen Inc Norton Trepan rotatif pour forages profonds

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