FR517773A - Vertical borehole drilling machine - Google Patents

Vertical borehole drilling machine

Info

Publication number
FR517773A
FR517773A FR517773A FR517773DA FR517773A FR 517773 A FR517773 A FR 517773A FR 517773 A FR517773 A FR 517773A FR 517773D A FR517773D A FR 517773DA FR 517773 A FR517773 A FR 517773A
Authority
FR
France
Prior art keywords
drilling machine
borehole drilling
vertical borehole
vertical
machine
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
FR517773A
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.)
Raytheon Anschuetz GmbH
Original Assignee
Anschuetz and Co GmbH
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 Anschuetz and Co GmbH filed Critical Anschuetz and Co GmbH
Application granted granted Critical
Publication of FR517773A publication Critical patent/FR517773A/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR517773A 1917-11-02 1918-09-24 Vertical borehole drilling machine Expired FR517773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE517773X 1917-11-02

Publications (1)

Publication Number Publication Date
FR517773A true FR517773A (en) 1921-05-11

Family

ID=6549682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517773A Expired FR517773A (en) 1917-11-02 1918-09-24 Vertical borehole drilling machine

Country Status (1)

Country Link
FR (1) FR517773A (en)

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