FR1067874A - Foreuse notamment pour roches minérales - Google Patents

Foreuse notamment pour roches minérales

Info

Publication number
FR1067874A
FR1067874A FR1067874DA FR1067874A FR 1067874 A FR1067874 A FR 1067874A FR 1067874D A FR1067874D A FR 1067874DA FR 1067874 A FR1067874 A FR 1067874A
Authority
FR
France
Prior art keywords
drilling rig
mineral rocks
rig especially
rocks
mineral
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens 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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR1067874A publication Critical patent/FR1067874A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
FR1067874D 1951-07-02 1952-06-30 Foreuse notamment pour roches minérales Expired FR1067874A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1067874X 1951-07-02

Publications (1)

Publication Number Publication Date
FR1067874A true FR1067874A (fr) 1954-06-21

Family

ID=7719357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1067874D Expired FR1067874A (fr) 1951-07-02 1952-06-30 Foreuse notamment pour roches minérales

Country Status (2)

Country Link
BE (1) BE512535A (fr)
FR (1) FR1067874A (fr)

Also Published As

Publication number Publication date
BE512535A (fr)

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