ATE338877T1 - Verfahren und bohrer zur reduzierung der schneidgrösse auf eine vorbestimmte maximalgrösse - Google Patents

Verfahren und bohrer zur reduzierung der schneidgrösse auf eine vorbestimmte maximalgrösse

Info

Publication number
ATE338877T1
ATE338877T1 AT01985461T AT01985461T ATE338877T1 AT E338877 T1 ATE338877 T1 AT E338877T1 AT 01985461 T AT01985461 T AT 01985461T AT 01985461 T AT01985461 T AT 01985461T AT E338877 T1 ATE338877 T1 AT E338877T1
Authority
AT
Austria
Prior art keywords
drill bit
buttons
drilling
size
drill
Prior art date
Application number
AT01985461T
Other languages
English (en)
Inventor
Per Thomas Moe
Original Assignee
Per Thomas Moe
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 Per Thomas Moe filed Critical Per Thomas Moe
Application granted granted Critical
Publication of ATE338877T1 publication Critical patent/ATE338877T1/de

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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type 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
    • E21B10/46—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
    • E21B10/5671—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts with chip breaking arrangements
AT01985461T 2000-12-21 2001-12-21 Verfahren und bohrer zur reduzierung der schneidgrösse auf eine vorbestimmte maximalgrösse ATE338877T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20006591A NO316856B1 (no) 2000-12-21 2000-12-21 Fremgangsmåte ved boring og slagborekrone for utførelse av denne

Publications (1)

Publication Number Publication Date
ATE338877T1 true ATE338877T1 (de) 2006-09-15

Family

ID=19911940

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01985461T ATE338877T1 (de) 2000-12-21 2001-12-21 Verfahren und bohrer zur reduzierung der schneidgrösse auf eine vorbestimmte maximalgrösse

Country Status (5)

Country Link
EP (1) EP1356185B1 (de)
AT (1) ATE338877T1 (de)
DE (1) DE60122933T2 (de)
NO (1) NO316856B1 (de)
WO (1) WO2002052122A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918538A (en) * 1974-07-01 1975-11-11 Hughes Tool Co Rotary percussion earth boring bit
US4373592A (en) * 1980-11-28 1983-02-15 Mobil Oil Corporation Rotary drilling drill string stabilizer-cuttings grinder
NO892223L (no) * 1988-06-03 1989-12-04 Boart Int Ltd Borkrone.
US5366032A (en) * 1993-06-09 1994-11-22 Kay Mark A Rock bit

Also Published As

Publication number Publication date
NO20006591L (no) 2002-06-24
WO2002052122A1 (en) 2002-07-04
EP1356185B1 (de) 2006-09-06
DE60122933D1 (de) 2006-10-19
EP1356185A1 (de) 2003-10-29
NO316856B1 (no) 2004-06-01
NO20006591D0 (no) 2000-12-21
DE60122933T2 (de) 2007-09-06

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