FR343232A - Appareil de sondage - Google Patents

Appareil de sondage

Info

Publication number
FR343232A
FR343232A FR343232A FR343232DA FR343232A FR 343232 A FR343232 A FR 343232A FR 343232 A FR343232 A FR 343232A FR 343232D A FR343232D A FR 343232DA FR 343232 A FR343232 A FR 343232A
Authority
FR
France
Prior art keywords
survey device
survey
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
FR343232A
Other languages
English (en)
Inventor
Philipp Schermuly
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR343232A publication Critical patent/FR343232A/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
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E21B1/04—Devices for reversing the movement of the rod or cable at the surface

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)
FR343232A 1903-05-25 1904-05-17 Appareil de sondage Expired FR343232A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE343232X 1903-05-25

Publications (1)

Publication Number Publication Date
FR343232A true FR343232A (fr) 1904-09-28

Family

ID=1392188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR343232A Expired FR343232A (fr) 1903-05-25 1904-05-17 Appareil de sondage

Country Status (1)

Country Link
FR (1) FR343232A (fr)

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