DE3781226T2 - Drehbohrmeissel mit grossen schneidelementen und einem fluessigkeitsstrahl fuer jedes schneidelement. - Google Patents

Drehbohrmeissel mit grossen schneidelementen und einem fluessigkeitsstrahl fuer jedes schneidelement.

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
jet
drill bit
cutting
rotary drill
nozzle
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)
English (en)
Other versions
DE3781226D1 (de
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 DE3781226D1 publication Critical patent/DE3781226D1/de
Application granted granted Critical
Publication of DE3781226T2 publication Critical patent/DE3781226T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • E21B10/567Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5671Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts with chip breaking arrangements
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/60Drill 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)
DE8787113231T 1986-09-11 1987-09-10 Drehbohrmeissel mit grossen schneidelementen und einem fluessigkeitsstrahl fuer jedes schneidelement. Expired - Fee Related DE3781226T2 (de)

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 (de) 1992-09-24
DE3781226T2 true DE3781226T2 (de) 1993-03-25

Family

ID=25422035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787113231T Expired - Fee Related DE3781226T2 (de) 1986-09-11 1987-09-10 Drehbohrmeissel mit grossen schneidelementen und einem fluessigkeitsstrahl fuer jedes schneidelement.

Country Status (5)

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

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
RU2012155102A (ru) 2010-05-20 2014-06-27 Бейкер Хьюз Инкорпорейтед Способ формирования по меньшей мере части бурильного инструмента и изделия, сформированные таким способом

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
NO873803D0 (no) 1987-09-11
CA1295321C (en) 1992-02-04
NO873803L (no) 1988-03-14
DE3781226D1 (de) 1992-09-24
EP0259872A3 (en) 1989-10-25
EP0452999A3 (en) 1992-03-11
JPS63134782A (ja) 1988-06-07
EP0452999A2 (en) 1991-10-23
EP0259872A2 (en) 1988-03-16
EP0259872B1 (en) 1992-08-19

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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