FR1148230A - Foreuse de roches - Google Patents

Foreuse de roches

Info

Publication number
FR1148230A
FR1148230A FR1148230DA FR1148230A FR 1148230 A FR1148230 A FR 1148230A FR 1148230D A FR1148230D A FR 1148230DA FR 1148230 A FR1148230 A FR 1148230A
Authority
FR
France
Prior art keywords
rock drill
drill
rock
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.)
SVENSKA DIAMANTBERGBORRNINGS AB
Original Assignee
SVENSKA DIAMANTBERGBORRNINGS AB
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 SVENSKA DIAMANTBERGBORRNINGS AB filed Critical SVENSKA DIAMANTBERGBORRNINGS AB
Application granted granted Critical
Publication of FR1148230A publication Critical patent/FR1148230A/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
    • 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

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)
FR1148230D 1956-02-11 1956-04-27 Foreuse de roches Expired FR1148230A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1148230X 1956-02-11

Publications (1)

Publication Number Publication Date
FR1148230A true FR1148230A (fr) 1957-12-05

Family

ID=20420956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148230D Expired FR1148230A (fr) 1956-02-11 1956-04-27 Foreuse de roches

Country Status (1)

Country Link
FR (1) FR1148230A (fr)

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