FR2167952A1 - - Google Patents

Info

Publication number
FR2167952A1
FR2167952A1 FR7300875A FR7300875A FR2167952A1 FR 2167952 A1 FR2167952 A1 FR 2167952A1 FR 7300875 A FR7300875 A FR 7300875A FR 7300875 A FR7300875 A FR 7300875A FR 2167952 A1 FR2167952 A1 FR 2167952A1
Authority
FR
France
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.)
Granted
Application number
FR7300875A
Other languages
French (fr)
Other versions
FR2167952B1 (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.)
KOOLAJ FOLDGAZBANYASZATI
Original Assignee
KOOLAJ FOLDGAZBANYASZATI
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 KOOLAJ FOLDGAZBANYASZATI filed Critical KOOLAJ FOLDGAZBANYASZATI
Publication of FR2167952A1 publication Critical patent/FR2167952A1/fr
Application granted granted Critical
Publication of FR2167952B1 publication Critical patent/FR2167952B1/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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)
  • Earth Drilling (AREA)
FR7300875A 1972-01-11 1973-01-11 Expired FR2167952B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUKO2484A HU165213B (en) 1972-01-11 1972-01-11

Publications (2)

Publication Number Publication Date
FR2167952A1 true FR2167952A1 (en) 1973-08-24
FR2167952B1 FR2167952B1 (en) 1978-09-29

Family

ID=10997906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7300875A Expired FR2167952B1 (en) 1972-01-11 1973-01-11

Country Status (8)

Country Link
BE (1) BE827303Q (en)
CA (1) CA976952A (en)
DE (1) DE2301194C3 (en)
FR (1) FR2167952B1 (en)
GB (1) GB1415981A (en)
HU (1) HU165213B (en)
IT (1) IT978083B (en)
YU (1) YU34598B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871037A (en) * 1988-09-15 1989-10-03 Amoco Corporation Excavation apparatus, system and method
CN104612684A (en) * 2014-12-15 2015-05-13 中国矿业大学 Ultrasonic impact cutting tooth

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2167952B1 (en) 1978-09-29
YU5873A (en) 1979-04-30
HU165213B (en) 1974-07-27
BE827303Q (en) 1975-07-16
DE2301194A1 (en) 1973-07-26
CA976952A (en) 1975-10-28
IT978083B (en) 1974-09-20
DE2301194C3 (en) 1976-01-02
DE2301194B2 (en) 1975-05-22
YU34598B (en) 1979-10-31
GB1415981A (en) 1975-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse