FR337785A - Dispositif de sondage perfectionné - Google Patents

Dispositif de sondage perfectionné

Info

Publication number
FR337785A
FR337785A FR337785A FR337785DA FR337785A FR 337785 A FR337785 A FR 337785A FR 337785 A FR337785 A FR 337785A FR 337785D A FR337785D A FR 337785DA FR 337785 A FR337785 A FR 337785A
Authority
FR
France
Prior art keywords
advanced
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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
FR337785A
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.)
FRANCAISE DE FORAGE ET DE RECHERCHES MINIERES Ste
Original Assignee
FRANCAISE DE FORAGE ET DE RECHERCHES MINIERES Ste
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 FRANCAISE DE FORAGE ET DE RECHERCHES MINIERES Ste filed Critical FRANCAISE DE FORAGE ET DE RECHERCHES MINIERES Ste
Application granted granted Critical
Publication of FR337785A publication Critical patent/FR337785A/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
    • E21B10/02—Core bits
    • 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)
FR337785A 1903-12-16 1903-12-16 Dispositif de sondage perfectionné Expired FR337785A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR337785T 1903-12-16

Publications (1)

Publication Number Publication Date
FR337785A true FR337785A (fr) 1904-04-25

Family

ID=1387113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR337785A Expired FR337785A (fr) 1903-12-16 1903-12-16 Dispositif de sondage perfectionné

Country Status (1)

Country Link
FR (1) FR337785A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545195A (en) * 1946-08-24 1951-03-13 Shell Dev Diamond bit
US2759705A (en) * 1951-05-01 1956-08-21 Bjorkman Gustaf Erik Rock drills with inserted cutting edges
EP0050954A1 (fr) * 1980-10-23 1982-05-05 Cementation Research Limited Outil de forage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545195A (en) * 1946-08-24 1951-03-13 Shell Dev Diamond bit
US2759705A (en) * 1951-05-01 1956-08-21 Bjorkman Gustaf Erik Rock drills with inserted cutting edges
EP0050954A1 (fr) * 1980-10-23 1982-05-05 Cementation Research Limited Outil de forage

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