SE8804048A0 - Rotationsborrskär för djupborrningar - Google Patents

Rotationsborrskär för djupborrningar

Info

Publication number
SE8804048A0
SE8804048A0 SE8804048A SE8804048A SE8804048A0 SE 8804048 A0 SE8804048 A0 SE 8804048A0 SE 8804048 A SE8804048 A SE 8804048A SE 8804048 A SE8804048 A SE 8804048A SE 8804048 A0 SE8804048 A0 SE 8804048A0
Authority
SE
Sweden
Prior art keywords
drill bits
rotary drill
deep drilling
drilling
deep
Prior art date
Application number
SE8804048A
Other languages
English (en)
Swedish (sv)
Other versions
SE8804048D0 (sv
Inventor
Roland Illerhaus
Werner Pecht
Hans-Eckard Mengel
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 SE8804048D0 publication Critical patent/SE8804048D0/xx
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)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (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 (2)

Publication Number Publication Date
SE8804048D0 SE8804048D0 (sv) 1988-11-09
SE8804048A0 true 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 (enrdf_load_stackoverflow)
SE (1) SE8804048A0 (enrdf_load_stackoverflow)

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
SE8804048D0 (sv) 1988-11-09
DE3738942C2 (enrdf_load_stackoverflow) 1991-09-26
DE3738942A1 (de) 1989-06-01

Similar Documents

Publication Publication Date Title
GB2086451B (en) Rotary drill bit for deep-well drilling
DE3883617D1 (de) Gesteinbohrmeissel.
NO178273C (no) Hardmetallinnsats for borkroner
GB2188354B (en) Rotary drill bit
DE3776169D1 (de) Drehbohrmeissel.
DE3676271D1 (de) Drehbohrmeissel.
GB8713807D0 (en) Cutting structures for rotary drill bits
MX159926A (es) Barrena de perforacion de diamante para perforar yacimientos subterraneos
DK227987D0 (da) Borehulsbor
GB2088440B (en) Rotary drilling drill string stabilizer-cuttings grinder
GB8306558D0 (en) Rotary earth boring drill bit construction
NO166296C (no) Fremgangsmaate for boring av avviksbroenner.
NO172701C (no) Anordning for broennlogging under boring
FI874076A7 (fi) Iskuporakruunu kiviporakoneita varten.
GB8711255D0 (en) Rotary drill bits
GB8611448D0 (en) Rotary drill bits
FI844955A7 (fi) Kallioporan terä.
JPS5761187A (en) Rotary drilling bit for boring
GB8726541D0 (en) Cutting structures for rotary drill bits
NO180551C (no) Rotasjonsborkrone for boring gjennom klebrige formasjoner
SE8804048A0 (sv) Rotationsborrskär för djupborrningar
FI874342L (fi) Roterbart borrverktyg.
PL276649A1 (en) Drilling rig for rocks
MX161103A (es) Barrena rotatoria de arrastre para perforacion de pozos
GB2185506B (en) Rotary drill bit