SE8804048D0 - Drehbohrmeissel fuer tiefbohrungen - Google Patents

Drehbohrmeissel fuer tiefbohrungen

Info

Publication number
SE8804048D0
SE8804048D0 SE19888804048A SE8804048A SE8804048D0 SE 8804048 D0 SE8804048 D0 SE 8804048D0 SE 19888804048 A SE19888804048 A SE 19888804048A SE 8804048 A SE8804048 A SE 8804048A SE 8804048 D0 SE8804048 D0 SE 8804048D0
Authority
SE
Sweden
Prior art keywords
cutting
deep
flushing
basic body
bodies
Prior art date
Application number
SE19888804048A
Other languages
English (en)
Other versions
SE8804048A (sv
SE8804048A0 (sv
Inventor
*Illerhaus R
Original Assignee
Eastman Christensen Company
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 Company filed Critical Eastman Christensen Company
Publication of SE8804048A publication Critical patent/SE8804048A/xx
Publication of SE8804048D0 publication Critical patent/SE8804048D0/sv
Publication of SE8804048A0 publication Critical patent/SE8804048A0/sv

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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
SE8804048A 1987-11-17 1988-11-09 Rotationsborrskär för djupborrningar SE8804048A0 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873738942 DE3738942A1 (de) 1987-11-17 1987-11-17 Drehbohrmeissel fuer tiefbohrungen

Publications (3)

Publication Number Publication Date
SE8804048A SE8804048A (sv) 1988-11-09
SE8804048D0 true SE8804048D0 (sv) 1988-11-09
SE8804048A0 SE8804048A0 (sv) 1989-05-18

Family

ID=6340638

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8804048A SE8804048A0 (sv) 1987-11-17 1988-11-09 Rotationsborrskär för djupborrningar

Country Status (2)

Country Link
DE (1) DE3738942A1 (sv)
SE (1) SE8804048A0 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226363C2 (de) * 1992-08-10 1995-07-06 Bauer Spezialtiefbau Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern
AUPQ784300A0 (en) * 2000-05-31 2000-06-22 Boart Longyear Pty Ltd Improved core sampling drill bit
AU2009202702A1 (en) * 2009-06-19 2011-01-13 Sandvik Intellectual Property Ab A drill bit
CN105545214B (zh) * 2016-02-03 2017-11-03 中国有色桂林矿产地质研究院有限公司 主副底喷型激光焊接金刚石钻头及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280926A (en) * 1964-02-24 1966-10-25 Exxon Production Research Co Bit for drilling earth formations
US3322218A (en) * 1965-05-04 1967-05-30 Exxon Production Research Co Multi-port diamond bit
US4189015A (en) * 1978-08-21 1980-02-19 Acker Drill Company, Inc. Drill bits for obtaining core samples
DE3039633C2 (de) * 1980-10-21 1983-08-18 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel, insbesondere für Tiefbohrungen

Also Published As

Publication number Publication date
DE3738942A1 (de) 1989-06-01
SE8804048A (sv) 1988-11-09
DE3738942C2 (sv) 1991-09-26
SE8804048A0 (sv) 1989-05-18

Similar Documents

Publication Publication Date Title
GB2086451B (en) Rotary drill bit for deep-well drilling
DE68916572T2 (de) Schneidelement für Drehbohrmeissel und dessen Herstellung.
SE8701239L (sv) Roterande borrsker
EP1338754A3 (en) Method for forming a window in a tubular and apparatus for use in said method
DK424288A (da) Hydraulisk drevet roemmer
NO911536D0 (no) Knapp for borkrone av hardmetall for boring i fjell.
EP0872625A3 (en) Rotary drill bits with nozzles
NO892615D0 (no) Fremgangsmaate for bestemmelse av bore-betingelser under boring.
SE8702757D0 (sv) Borrchuck i tva delar for djupborrning
FI945852A0 (sv) Borrningsförfarande och skärarrangemang för genomförande av förfarandet
AU4856297A (en) Process and device for simultaneously drilling and lining a hole
DE58901461D1 (de) Hohlbohrwerkzeug.
IT8567004A1 (it) Mandrino portapunta per la perforazione a percussione.
GB1394115A (en) Rotary earth drilling tools
SE8804048D0 (sv) Drehbohrmeissel fuer tiefbohrungen
EP0233038A3 (en) Down-the-hole-drill
SE8500888D0 (sv) Bohrkopf mit planetengetriebe und einfachem bohrgestenge
GB1345205A (en) Rotary-percussion gang drill
DE58905309D1 (de) Steinbohrer.
DK126387D0 (da) Roterbart spaantagende vaerktoej
DE58905867D1 (de) Gesteinsbohrkrone.
CA2132141A1 (en) Drill for drilling rails and track rigs for railroad applications
SE8302376L (sv) Bladberande ram till maskiner for sagning av marmor, granit och hard sten
ATE57644T1 (de) Pneumatisches rammbohrgeraet.
SU844159A1 (ru) Сверло