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FR791893A - Rotation device for lowering coating tubes into boreholes or boreholes - Google Patents

Rotation device for lowering coating tubes into boreholes or boreholes

Info

Publication number
FR791893A
FR791893A FR791893DA FR791893A FR 791893 A FR791893 A FR 791893A FR 791893D A FR791893D A FR 791893DA FR 791893 A FR791893 A FR 791893A
Authority
FR
France
Prior art keywords
boreholes
rotation device
coating tubes
lowering coating
lowering
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)
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.)
Werf Conrad N V
Original Assignee
Werf Conrad N V
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 Werf Conrad N V filed Critical Werf Conrad N V
Application granted granted Critical
Publication of FR791893A publication Critical patent/FR791893A/en
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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool

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)
FR791893D 1935-06-28 1935-06-28 Rotation device for lowering coating tubes into boreholes or boreholes Expired FR791893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR791893T 1935-06-28

Publications (1)

Publication Number Publication Date
FR791893A true FR791893A (en) 1935-12-18

Family

ID=9228161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791893D Expired FR791893A (en) 1935-06-28 1935-06-28 Rotation device for lowering coating tubes into boreholes or boreholes

Country Status (1)

Country Link
FR (1) FR791893A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028630A1 (en) * 1995-03-15 1996-09-19 Theo Fromme Hydraulic tubing machine as an attachment for a mobile rotary boring installation
EP2318641A4 (en) * 2008-07-15 2015-12-09 Kwik Zip Pty Ltd BOHRROHRZENTRIERER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028630A1 (en) * 1995-03-15 1996-09-19 Theo Fromme Hydraulic tubing machine as an attachment for a mobile rotary boring installation
EP2318641A4 (en) * 2008-07-15 2015-12-09 Kwik Zip Pty Ltd BOHRROHRZENTRIERER

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