FR335481A - Sonde élastique à grande vitesse - Google Patents

Sonde élastique à grande vitesse

Info

Publication number
FR335481A
FR335481A FR335481A FR335481DA FR335481A FR 335481 A FR335481 A FR 335481A FR 335481 A FR335481 A FR 335481A FR 335481D A FR335481D A FR 335481DA FR 335481 A FR335481 A FR 335481A
Authority
FR
France
Prior art keywords
high speed
elastic probe
speed elastic
probe
speed
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
FR335481A
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.)
PORTET ET BERNARD SOC
Original Assignee
PORTET ET BERNARD SOC
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 PORTET ET BERNARD SOC filed Critical PORTET ET BERNARD SOC
Application granted granted Critical
Publication of FR335481A publication Critical patent/FR335481A/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)
FR335481A 1903-09-23 1903-09-23 Sonde élastique à grande vitesse Expired FR335481A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR335481T 1903-09-23

Publications (1)

Publication Number Publication Date
FR335481A true FR335481A (fr) 1904-01-27

Family

ID=1384952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR335481A Expired FR335481A (fr) 1903-09-23 1903-09-23 Sonde élastique à grande vitesse

Country Status (1)

Country Link
FR (1) FR335481A (fr)

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