FR1202110A - Rotary drilling tool - Google Patents

Rotary drilling tool

Info

Publication number
FR1202110A
FR1202110A FR1202110DA FR1202110A FR 1202110 A FR1202110 A FR 1202110A FR 1202110D A FR1202110D A FR 1202110DA FR 1202110 A FR1202110 A FR 1202110A
Authority
FR
France
Prior art keywords
drilling tool
rotary drilling
rotary
tool
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.)
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 FR1202110A publication Critical patent/FR1202110A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives

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)
FR1202110D 1956-09-11 1957-09-09 Rotary drilling tool Expired FR1202110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1202110X 1956-09-11

Publications (1)

Publication Number Publication Date
FR1202110A true FR1202110A (en) 1960-01-07

Family

ID=7732352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1202110D Expired FR1202110A (en) 1956-09-11 1957-09-09 Rotary drilling tool

Country Status (1)

Country Link
FR (1) FR1202110A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030855A (en) * 1972-12-11 1977-06-21 Mapal Dr. Kress Kg Reaming tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030855A (en) * 1972-12-11 1977-06-21 Mapal Dr. Kress Kg Reaming tool

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