DD40351A - - Google Patents

Info

Publication number
DD40351A
DD40351A DD8586665A DD8586665A DD40351A DD 40351 A DD40351 A DD 40351A DD 8586665 A DD8586665 A DD 8586665A DD 8586665 A DD8586665 A DD 8586665A DD 40351 A DD40351 A DD 40351A
Authority
DD
German Democratic Republic
Application number
DD8586665A
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 filed Critical
Publication of DD40351A publication Critical patent/DD40351A/xx

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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

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)
DD8586665A 1963-06-14 1963-06-14 DD40351A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD8586663 1963-06-14

Publications (1)

Publication Number Publication Date
DD40351A true DD40351A (https=) 1965-08-05

Family

ID=5477913

Family Applications (1)

Application Number Title Priority Date Filing Date
DD8586665A DD40351A (https=) 1963-06-14 1963-06-14

Country Status (1)

Country Link
DD (1) DD40351A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917664A1 (de) * 1979-05-02 1980-11-13 Christensen Inc Drehbohrmeissel fuer tiefbohrungen
DE3113109A1 (de) * 1981-04-01 1982-11-04 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeissel fuer tiefbohrungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2917664A1 (de) * 1979-05-02 1980-11-13 Christensen Inc Drehbohrmeissel fuer tiefbohrungen
DE3113109A1 (de) * 1981-04-01 1982-11-04 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeissel fuer tiefbohrungen

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