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FR438819A - Method of drilling wells and devices carrying it out - Google Patents

Method of drilling wells and devices carrying it out

Info

Publication number
FR438819A
FR438819A FR438819DA FR438819A FR 438819 A FR438819 A FR 438819A FR 438819D A FR438819D A FR 438819DA FR 438819 A FR438819 A FR 438819A
Authority
FR
France
Prior art keywords
drilling wells
devices carrying
carrying
devices
wells
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
Louis-Antoine Coudray
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.)
LOUIS ANTOINE COUDRAY
Original Assignee
LOUIS ANTOINE COUDRAY
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 LOUIS ANTOINE COUDRAY filed Critical LOUIS ANTOINE COUDRAY
Application granted granted Critical
Publication of FR438819A publication Critical patent/FR438819A/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)
FR438819D 1911-03-24 1911-03-24 Method of drilling wells and devices carrying it out Expired FR438819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR438819T 1911-03-24

Publications (1)

Publication Number Publication Date
FR438819A true FR438819A (en) 1912-05-29

Family

ID=1480301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR438819D Expired FR438819A (en) 1911-03-24 1911-03-24 Method of drilling wells and devices carrying it out

Country Status (1)

Country Link
FR (1) FR438819A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657573A1 (en) * 1976-12-18 1978-06-22 Gewerk Eisenhuette Westfalia DEVICE FOR EXTENDING SHAFT OR DGL.
EP0029020A1 (en) * 1979-11-09 1981-05-20 VOEST-ALPINE Aktiengesellschaft Method of sinking shafts and apparatus to carry out this method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657573A1 (en) * 1976-12-18 1978-06-22 Gewerk Eisenhuette Westfalia DEVICE FOR EXTENDING SHAFT OR DGL.
EP0029020A1 (en) * 1979-11-09 1981-05-20 VOEST-ALPINE Aktiengesellschaft Method of sinking shafts and apparatus to carry out this method

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