DE59201436D1 - Kernbohrmeissel mit hydrodynamischer Kernzerstörung. - Google Patents

Kernbohrmeissel mit hydrodynamischer Kernzerstörung.

Info

Publication number
DE59201436D1
DE59201436D1 DE59201436T DE59201436T DE59201436D1 DE 59201436 D1 DE59201436 D1 DE 59201436D1 DE 59201436 T DE59201436 T DE 59201436T DE 59201436 T DE59201436 T DE 59201436T DE 59201436 D1 DE59201436 D1 DE 59201436D1
Authority
DE
Germany
Prior art keywords
core
drill bit
hydrodynamic
destruction
core 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 - Fee Related
Application number
DE59201436T
Other languages
English (en)
Inventor
Wsewolod Sergejewit Awdujewski
Rifner Wassilowitsch Ganijew
Robert Schakurowitsc Mufasalow
Jurij Petrowitsch Sacharow
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.)
Wave Tec GmbH
Original Assignee
Wave Tec GmbH
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 Wave Tec GmbH filed Critical Wave Tec GmbH
Application granted granted Critical
Publication of DE59201436D1 publication Critical patent/DE59201436D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/02—Core bits
    • E21B10/06—Roller core bits
    • 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller 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
    • 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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
DE59201436T 1991-05-06 1992-04-23 Kernbohrmeissel mit hydrodynamischer Kernzerstörung. Expired - Fee Related DE59201436D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4928470 1991-05-06

Publications (1)

Publication Number Publication Date
DE59201436D1 true DE59201436D1 (de) 1995-03-30

Family

ID=21570313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59201436T Expired - Fee Related DE59201436D1 (de) 1991-05-06 1992-04-23 Kernbohrmeissel mit hydrodynamischer Kernzerstörung.

Country Status (3)

Country Link
US (1) US5220966A (de)
EP (1) EP0512329B1 (de)
DE (1) DE59201436D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5462128A (en) * 1992-10-20 1995-10-31 Gray; Clifford R. Cutter bit for use in drilling operations
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
BE1014561A3 (nl) * 2002-01-09 2003-12-02 Diamant Drilling Service Procede pour le forage d'un puits et trepan rotatif pour la mise en oeuvre de celui-ci.
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
CN114458161B (zh) * 2022-04-14 2022-06-24 金石钻探(唐山)股份有限公司 一种非硬岩取芯钻头及其加工工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144087A (en) * 1961-01-05 1964-08-11 Edward B Williams Iii Drill bit with tangential jet
SU1104231A1 (ru) * 1982-06-02 1984-07-23 Ивано-Франковский Институт Нефти И Газа Буровое долото
US4619335A (en) * 1984-08-16 1986-10-28 Mccullough Doyle W Enhanced circulation drill bit
GB2224054B (en) * 1988-09-29 1992-06-03 Shell Int Research Drill bit equipped with vortex nozzles and vortex nozzle for use in the bit

Also Published As

Publication number Publication date
EP0512329B1 (de) 1995-02-22
US5220966A (en) 1993-06-22
EP0512329A3 (en) 1993-05-05
EP0512329A2 (de) 1992-11-11

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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