DE3585002D1 - Drehbohrmeissel. - Google Patents

Drehbohrmeissel.

Info

Publication number
DE3585002D1
DE3585002D1 DE8585201245T DE3585002T DE3585002D1 DE 3585002 D1 DE3585002 D1 DE 3585002D1 DE 8585201245 T DE8585201245 T DE 8585201245T DE 3585002 T DE3585002 T DE 3585002T DE 3585002 D1 DE3585002 D1 DE 3585002D1
Authority
DE
Germany
Prior art keywords
rotary drill
drill chisel
chisel
rotary
drill
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 - Lifetime
Application number
DE8585201245T
Other languages
English (en)
Inventor
Djurre Hans Zijsling
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of DE3585002D1 publication Critical patent/DE3585002D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/002—Down-hole drilling fluid separation systems

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)
  • Earth Drilling (AREA)
DE8585201245T 1984-08-06 1985-07-29 Drehbohrmeissel. Expired - Lifetime DE3585002D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8402431 1984-08-06

Publications (1)

Publication Number Publication Date
DE3585002D1 true DE3585002D1 (de) 1992-02-06

Family

ID=19844299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585201245T Expired - Lifetime DE3585002D1 (de) 1984-08-06 1985-07-29 Drehbohrmeissel.

Country Status (4)

Country Link
US (1) US4624330A (de)
EP (1) EP0171852B1 (de)
CA (1) CA1234094A (de)
DE (1) DE3585002D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655372A1 (fr) * 1989-12-01 1991-06-07 Total Petroles Systeme d'irrigation d'un outil rotatif, notamment d'un outil de forage, au moyen d'un fluide distribue par un oscillateur fluidique.
US6390211B1 (en) 1999-06-21 2002-05-21 Baker Hughes Incorporated Variable orientation nozzles for earth boring drill bits, drill bits so equipped, and methods of orienting
US20100193253A1 (en) * 2009-01-30 2010-08-05 Massey Alan J Earth-boring tools and bodies of such tools including nozzle recesses, and methods of forming same
CN106246121A (zh) * 2016-09-28 2016-12-21 中国石油天然气股份有限公司 冲砂装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293259A (en) * 1941-03-25 1942-08-18 Acme Fishing Tool Company Device for preventing clogging of drilling bits
US3175629A (en) * 1962-11-01 1965-03-30 Jersey Prod Res Co Jet bit
US3145783A (en) * 1962-12-24 1964-08-25 David L Sibley Water-well screen drive point
NO810302L (no) * 1980-02-02 1981-08-03 Drilling & Service Uk Ltd Borkrone og anvendelse av samme.
US4341273A (en) * 1980-07-04 1982-07-27 Shell Oil Company Rotary bit with jet nozzles
US4336850A (en) * 1980-09-12 1982-06-29 Christensen, Inc. Internal fluid screen to prevent nozzle and port plugging

Also Published As

Publication number Publication date
EP0171852A1 (de) 1986-02-19
EP0171852B1 (de) 1991-12-27
CA1234094A (en) 1988-03-15
US4624330A (en) 1986-11-25

Similar Documents

Publication Publication Date Title
DE3587156D1 (de) Drehbohrmeissel.
DE3776169D1 (de) Drehbohrmeissel.
DE3676271D1 (de) Drehbohrmeissel.
DE3772076D1 (de) Bohrmeissel.
DE68901836T2 (de) Drehbohrhammer.
NL193310B (nl) Boorhamer.
DE69007434D1 (de) Verbesserungen an Drehbohrmeisseln.
NL192507B (nl) Boorhamer.
DE3683633D1 (de) Gesteinschlagbohrmeissel.
NO863173D0 (no) Borehull-utvider.
IT1213551B (it) Utensile per forare.
DE3883617T2 (de) Gesteinbohrmeissel.
NO852136L (no) Vandig borevaeske.
DE216396T1 (de) Bohrwerkzeug.
IT7925517A0 (it) Scalpello rotante di perforazione.
DE3576929D1 (de) Hydraulisches drehschlagwerkzeug.
NO852444L (no) Rotasjonsborkrone.
ES286548Y (es) Martillo perforador electoneumatico.
DE69014574D1 (de) Gesteinsbohrgerät.
IT8504814A0 (it) Trapanatrice e macchina di montaggio.
DE3582147D1 (de) Bohrwerkzeuge.
IT8422896A0 (it) Trapano a percussione.
DE3679073D1 (de) Bohr- oder schlaghammer.
FI873959A (fi) Borrverktyg.
DE3585002D1 (de) Drehbohrmeissel.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition