FR329424A - Device for drilling wells by washing - Google Patents

Device for drilling wells by washing

Info

Publication number
FR329424A
FR329424A FR329424DA FR329424A FR 329424 A FR329424 A FR 329424A FR 329424D A FR329424D A FR 329424DA FR 329424 A FR329424 A FR 329424A
Authority
FR
France
Prior art keywords
washing
drilling wells
wells
drilling
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
Other languages
French (fr)
Inventor
Max Wachholder
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 FR329424A publication Critical patent/FR329424A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR329424D 1903-02-16 1903-02-16 Device for drilling wells by washing Expired FR329424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR329424T 1903-02-16

Publications (1)

Publication Number Publication Date
FR329424A true FR329424A (en) 1903-07-30

Family

ID=1379267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR329424D Expired FR329424A (en) 1903-02-16 1903-02-16 Device for drilling wells by washing

Country Status (1)

Country Link
FR (1) FR329424A (en)

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