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NO873803L - Anordning ved borkroner. - Google Patents

Anordning ved borkroner.

Info

Publication number
NO873803L
NO873803L NO873803A NO873803A NO873803L NO 873803 L NO873803 L NO 873803L NO 873803 A NO873803 A NO 873803A NO 873803 A NO873803 A NO 873803A NO 873803 L NO873803 L NO 873803L
Authority
NO
Norway
Prior art keywords
chronicles
drill
drill chronicles
Prior art date
Application number
NO873803A
Other languages
English (en)
Other versions
NO873803D0 (no
Inventor
William R Trujillo
Original Assignee
Eastman Christensen Co
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 Eastman Christensen Co filed Critical Eastman Christensen Co
Publication of NO873803D0 publication Critical patent/NO873803D0/no
Publication of NO873803L publication Critical patent/NO873803L/no

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
    • E21B10/56—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
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Milling Processes (AREA)
NO873803A 1986-09-11 1987-09-11 Anordning ved borkroner. NO873803L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90616986A 1986-09-11 1986-09-11

Publications (2)

Publication Number Publication Date
NO873803D0 NO873803D0 (no) 1987-09-11
NO873803L true NO873803L (no) 1988-03-14

Family

ID=25422035

Family Applications (1)

Application Number Title Priority Date Filing Date
NO873803A NO873803L (no) 1986-09-11 1987-09-11 Anordning ved borkroner.

Country Status (5)

Country Link
EP (2) EP0259872B1 (no)
JP (1) JPS63134782A (no)
CA (1) CA1295321C (no)
DE (1) DE3781226T2 (no)
NO (1) NO873803L (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172778A (en) * 1991-11-14 1992-12-22 Baker-Hughes, Inc. Drill bit cutter and method for reducing pressure loading of cutters
US5265685A (en) * 1991-12-30 1993-11-30 Dresser Industries, Inc. Drill bit with improved insert cutter pattern
JPH0576584U (ja) * 1992-03-26 1993-10-19 アロン化成株式会社 曲管清掃具
US5592996A (en) * 1994-10-03 1997-01-14 Smith International, Inc. Drill bit having improved cutting structure with varying diamond density
JP2007118501A (ja) * 2005-10-31 2007-05-17 Tosei Kensetsu Kk 穿孔ビット装置及び穿孔機
WO2011146752A2 (en) 2010-05-20 2011-11-24 Baker Hughes Incorporated Methods of forming at least a portion of earth-boring tools, and articles formed by such methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
US4303136A (en) * 1979-05-04 1981-12-01 Smith International, Inc. Fluid passage formed by diamond insert studs for drag bits
DE3039633C2 (de) * 1980-10-21 1983-08-18 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel, insbesondere für Tiefbohrungen
EP0182770A1 (fr) * 1984-11-12 1986-05-28 DIAMANT BOART Société Anonyme Outil de forage diamanté

Also Published As

Publication number Publication date
JPS63134782A (ja) 1988-06-07
EP0259872A3 (en) 1989-10-25
NO873803D0 (no) 1987-09-11
EP0452999A3 (en) 1992-03-11
DE3781226D1 (de) 1992-09-24
EP0452999A2 (en) 1991-10-23
CA1295321C (en) 1992-02-04
DE3781226T2 (de) 1993-03-25
EP0259872B1 (en) 1992-08-19
EP0259872A2 (en) 1988-03-16

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