FR333845A - Appareil à forer des puits - Google Patents

Appareil à forer des puits

Info

Publication number
FR333845A
FR333845A FR333845DA FR333845A FR 333845 A FR333845 A FR 333845A FR 333845D A FR333845D A FR 333845DA FR 333845 A FR333845 A FR 333845A
Authority
FR
France
Prior art keywords
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
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.)
KCA Deutag Tiefbohr GmbH
Original Assignee
Deutag Deutsche Tiefbohr AG
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 Deutag Deutsche Tiefbohr AG filed Critical Deutag Deutsche Tiefbohr AG
Application granted granted Critical
Publication of FR333845A publication Critical patent/FR333845A/fr
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)
FR333845D 1903-07-15 1903-07-15 Appareil à forer des puits Expired FR333845A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR333845T 1903-07-15

Publications (1)

Publication Number Publication Date
FR333845A true FR333845A (fr) 1903-12-04

Family

ID=1383412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR333845D Expired FR333845A (fr) 1903-07-15 1903-07-15 Appareil à forer des puits

Country Status (1)

Country Link
FR (1) FR333845A (fr)

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