FR67353E - Automatic drilling pressure regulator for rock drills - Google Patents

Automatic drilling pressure regulator for rock drills

Info

Publication number
FR67353E
FR67353E FR67353DA FR67353E FR 67353 E FR67353 E FR 67353E FR 67353D A FR67353D A FR 67353DA FR 67353 E FR67353 E FR 67353E
Authority
FR
France
Prior art keywords
pressure regulator
automatic drilling
rock drills
drilling pressure
drills
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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen 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 Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Application granted granted Critical
Publication of FR67353E publication Critical patent/FR67353E/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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • 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
    • E21B19/084—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 with flexible drawing means, e.g. cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
FR67353D 1954-10-26 1954-10-26 Automatic drilling pressure regulator for rock drills Expired FR67353E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67353T 1954-10-26

Publications (1)

Publication Number Publication Date
FR67353E true FR67353E (en) 1958-03-06

Family

ID=8699556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67353D Expired FR67353E (en) 1954-10-26 1954-10-26 Automatic drilling pressure regulator for rock drills

Country Status (1)

Country Link
FR (1) FR67353E (en)

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