FR1029285A - Drilling process - Google Patents

Drilling process

Info

Publication number
FR1029285A
FR1029285A FR1029285DA FR1029285A FR 1029285 A FR1029285 A FR 1029285A FR 1029285D A FR1029285D A FR 1029285DA FR 1029285 A FR1029285 A FR 1029285A
Authority
FR
France
Prior art keywords
drilling process
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
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.)
Wallram Hartmetall GmbH
Original Assignee
Wallram Hartmetall GmbH
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 Wallram Hartmetall GmbH filed Critical Wallram Hartmetall GmbH
Application granted granted Critical
Publication of FR1029285A publication Critical patent/FR1029285A/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
FR1029285D 1949-12-10 1950-12-08 Drilling process Expired FR1029285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1029285X 1949-12-10

Publications (1)

Publication Number Publication Date
FR1029285A true FR1029285A (en) 1953-06-01

Family

ID=4553583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1029285D Expired FR1029285A (en) 1949-12-10 1950-12-08 Drilling process

Country Status (1)

Country Link
FR (1) FR1029285A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026708B (en) * 1953-09-17 1958-03-27 Moenninghoff Maschf Rotary percussion drill in which the compressed air supply to the percussion piston, which is also actuated by compressed air, can be controlled as a function of the drill speed by a rotary valve driven by the rotary motor
DE1031240B (en) * 1953-09-12 1958-06-04 Dipl Berging Albrecht Graefer Compressed air driven rock drill with rotary and impact motor that can be moved on a slide, preferably by means of a feed motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031240B (en) * 1953-09-12 1958-06-04 Dipl Berging Albrecht Graefer Compressed air driven rock drill with rotary and impact motor that can be moved on a slide, preferably by means of a feed motor
DE1026708B (en) * 1953-09-17 1958-03-27 Moenninghoff Maschf Rotary percussion drill in which the compressed air supply to the percussion piston, which is also actuated by compressed air, can be controlled as a function of the drill speed by a rotary valve driven by the rotary motor

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