EP0452999A3 - A rotating bit with junk slots in its gage - Google Patents

A rotating bit with junk slots in its gage Download PDF

Info

Publication number
EP0452999A3
EP0452999A3 EP19910111602 EP91111602A EP0452999A3 EP 0452999 A3 EP0452999 A3 EP 0452999A3 EP 19910111602 EP19910111602 EP 19910111602 EP 91111602 A EP91111602 A EP 91111602A EP 0452999 A3 EP0452999 A3 EP 0452999A3
Authority
EP
European Patent Office
Prior art keywords
gage
junk slots
rotating bit
bit
rotating
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.)
Withdrawn
Application number
EP19910111602
Other versions
EP0452999A2 (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
Publication of EP0452999A2 publication Critical patent/EP0452999A2/en
Publication of EP0452999A3 publication Critical patent/EP0452999A3/en
Withdrawn legal-status Critical Current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)
EP19910111602 1986-09-11 1987-09-10 A rotating bit with junk slots in its gage Withdrawn EP0452999A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90616986A 1986-09-11 1986-09-11
US906169 1986-09-11

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP87113231.2 Division 1987-09-10

Publications (2)

Publication Number Publication Date
EP0452999A2 EP0452999A2 (en) 1991-10-23
EP0452999A3 true EP0452999A3 (en) 1992-03-11

Family

ID=25422035

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19910111602 Withdrawn EP0452999A3 (en) 1986-09-11 1987-09-10 A rotating bit with junk slots in its gage
EP87113231A Expired - Lifetime EP0259872B1 (en) 1986-09-11 1987-09-10 Large compact rotary drill bit utilizing directed hydraulics for each cutter

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP87113231A Expired - Lifetime EP0259872B1 (en) 1986-09-11 1987-09-10 Large compact rotary drill bit utilizing directed hydraulics for each cutter

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

Citations (2)

* 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
EP0182770A1 (en) * 1984-11-12 1986-05-28 DIAMANT BOART Société Anonyme Diamond drill bit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* 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
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
DE3781226T2 (en) 1993-03-25
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

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