DE3781226T2 - TURNING DRILL CHISEL WITH LARGE CUTTING ELEMENTS AND A LIQUID JET FOR EACH CUTTING ELEMENT. - Google Patents

TURNING DRILL CHISEL WITH LARGE CUTTING ELEMENTS AND A LIQUID JET FOR EACH CUTTING ELEMENT.

Info

Publication number
DE3781226T2
DE3781226T2 DE8787113231T DE3781226T DE3781226T2 DE 3781226 T2 DE3781226 T2 DE 3781226T2 DE 8787113231 T DE8787113231 T DE 8787113231T DE 3781226 T DE3781226 T DE 3781226T DE 3781226 T2 DE3781226 T2 DE 3781226T2
Authority
DE
Germany
Prior art keywords
liquid jet
cutting element
turning drill
drill chisel
cutting elements
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 - Fee Related
Application number
DE8787113231T
Other languages
German (de)
Other versions
DE3781226D1 (en
Inventor
William R Trujillo
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.)
Baker Hughes Oilfield Operations LLC
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
Application granted granted Critical
Publication of DE3781226D1 publication Critical patent/DE3781226D1/en
Publication of DE3781226T2 publication Critical patent/DE3781226T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
  • Milling Processes (AREA)
  • Earth Drilling (AREA)
DE8787113231T 1986-09-11 1987-09-10 TURNING DRILL CHISEL WITH LARGE CUTTING ELEMENTS AND A LIQUID JET FOR EACH CUTTING ELEMENT. Expired - Fee Related DE3781226T2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE3781226D1 DE3781226D1 (en) 1992-09-24
DE3781226T2 true DE3781226T2 (en) 1993-03-25

Family

ID=25422035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787113231T Expired - Fee Related DE3781226T2 (en) 1986-09-11 1987-09-10 TURNING DRILL CHISEL WITH LARGE CUTTING ELEMENTS AND A LIQUID JET FOR EACH CUTTING ELEMENT.

Country Status (5)

Country Link
EP (2) EP0452999A3 (en)
JP (1) JPS63134782A (en)
CA (1) CA1295321C (en)
DE (1) DE3781226T2 (en)
NO (1) NO873803L (en)

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 (en) * 1992-03-26 1993-10-19 アロン化成株式会社 Curved pipe cleaning tool
US5592996A (en) * 1994-10-03 1997-01-14 Smith International, Inc. Drill bit having improved cutting structure with varying diamond density
JP2007118501A (en) * 2005-10-31 2007-05-17 Tosei Kensetsu Kk Boring bit apparatus and boring machine
EP2571647A4 (en) 2010-05-20 2017-04-12 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 (en) * 1980-10-21 1983-08-18 Christensen, Inc., 84115 Salt Lake City, Utah Rotary drill bits, in particular for deep drilling
EP0182770A1 (en) * 1984-11-12 1986-05-28 DIAMANT BOART Société Anonyme Diamond drill bit

Also Published As

Publication number Publication date
EP0259872B1 (en) 1992-08-19
EP0259872A2 (en) 1988-03-16
EP0259872A3 (en) 1989-10-25
NO873803L (en) 1988-03-14
JPS63134782A (en) 1988-06-07
EP0452999A2 (en) 1991-10-23
CA1295321C (en) 1992-02-04
DE3781226D1 (en) 1992-09-24
NO873803D0 (en) 1987-09-11
EP0452999A3 (en) 1992-03-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee