JPS56501016A - - Google Patents

Info

Publication number
JPS56501016A
JPS56501016A JP50164480A JP50164480A JPS56501016A JP S56501016 A JPS56501016 A JP S56501016A JP 50164480 A JP50164480 A JP 50164480A JP 50164480 A JP50164480 A JP 50164480A JP S56501016 A JPS56501016 A JP S56501016A
Authority
JP
Japan
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.)
Pending
Application number
JP50164480A
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 JPS56501016A publication Critical patent/JPS56501016A/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
JP50164480A 1979-07-04 1980-07-04 Pending JPS56501016A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7905845A SE7905845L (sv) 1979-07-04 1979-07-04 Bergborrkrona for roterande borrning

Publications (1)

Publication Number Publication Date
JPS56501016A true JPS56501016A (ja) 1981-07-23

Family

ID=20338444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50164480A Pending JPS56501016A (ja) 1979-07-04 1980-07-04

Country Status (5)

Country Link
EP (1) EP0031355A1 (ja)
JP (1) JPS56501016A (ja)
SE (1) SE7905845L (ja)
WO (1) WO1981000131A1 (ja)
ZA (1) ZA803961B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352400A (en) * 1980-12-01 1982-10-05 Christensen, Inc. Drill bit
EP0084418A3 (en) * 1982-01-20 1983-08-10 Unicorn Industries Limited Improved drill bit and method
US4553615A (en) * 1982-02-20 1985-11-19 Nl Industries, Inc. Rotary drilling bits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US854464A (en) * 1905-05-05 1907-05-21 James Charlton Hydraulic drill.
US829633A (en) * 1905-11-11 1906-08-28 Harry R Decker Drill.
US829634A (en) * 1905-11-13 1906-08-28 Harry R Decker Drill.
US829635A (en) * 1905-11-14 1906-08-28 Harry R Decker Drill.
US2951683A (en) * 1957-07-16 1960-09-06 Village Of Deming Core drill
US3745623A (en) * 1971-12-27 1973-07-17 Gen Electric Diamond tools for machining
US3765496A (en) * 1971-12-27 1973-10-16 M Flores Drill head unit with throwaway insert holders

Also Published As

Publication number Publication date
WO1981000131A1 (en) 1981-01-22
ZA803961B (en) 1982-03-31
EP0031355A1 (en) 1981-07-08
SE7905845L (sv) 1981-01-05

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