FR322059A - Advanced device for polling - Google Patents

Advanced device for polling

Info

Publication number
FR322059A
FR322059A FR322059A FR322059DA FR322059A FR 322059 A FR322059 A FR 322059A FR 322059 A FR322059 A FR 322059A FR 322059D A FR322059D A FR 322059DA FR 322059 A FR322059 A FR 322059A
Authority
FR
France
Prior art keywords
polling
advanced device
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
FR322059A
Other languages
French (fr)
Inventor
Pellet Alphonse
Sauerland Heinrich
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.)
PELLET ALPHONSE
SAUERLAND HEINRICH
Original Assignee
PELLET ALPHONSE
SAUERLAND HEINRICH
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 PELLET ALPHONSE, SAUERLAND HEINRICH filed Critical PELLET ALPHONSE
Application granted granted Critical
Publication of FR322059A publication Critical patent/FR322059A/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
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools

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)
FR322059A 1902-06-13 1902-06-13 Advanced device for polling Expired FR322059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR322059T 1902-06-13

Publications (1)

Publication Number Publication Date
FR322059A true FR322059A (en) 1903-01-27

Family

ID=1372451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR322059A Expired FR322059A (en) 1902-06-13 1902-06-13 Advanced device for polling

Country Status (1)

Country Link
FR (1) FR322059A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380544A (en) * 1966-05-27 1968-04-30 George S. Grubb Wellhole notcher
DE2928555A1 (en) * 1979-07-14 1981-01-29 Stumpp & Kurz DRILLING TOOL

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380544A (en) * 1966-05-27 1968-04-30 George S. Grubb Wellhole notcher
DE2928555A1 (en) * 1979-07-14 1981-01-29 Stumpp & Kurz DRILLING TOOL
US4444279A (en) * 1979-07-14 1984-04-24 Hilti Aktiengesellschaft Drilling tool

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