CA902033A - Valved percussion-type drill bit - Google Patents

Valved percussion-type drill bit

Info

Publication number
CA902033A
CA902033A CA902033A CA902033DA CA902033A CA 902033 A CA902033 A CA 902033A CA 902033 A CA902033 A CA 902033A CA 902033D A CA902033D A CA 902033DA CA 902033 A CA902033 A CA 902033A
Authority
CA
Canada
Prior art keywords
valved
percussion
drill bit
type drill
type
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
CA902033A
Inventor
G. Gatien Paul
Major Achilles
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA902033A publication Critical patent/CA902033A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
CA902033A 1969-04-18 1969-04-18 Valved percussion-type drill bit Expired CA902033A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA49065 1969-04-18

Publications (1)

Publication Number Publication Date
CA902033A true CA902033A (en) 1972-06-06

Family

ID=4085154

Family Applications (1)

Application Number Title Priority Date Filing Date
CA902033A Expired CA902033A (en) 1969-04-18 1969-04-18 Valved percussion-type drill bit

Country Status (1)

Country Link
CA (1) CA902033A (en)

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