DE59207153D1 - Bohrmeissel - Google Patents

Bohrmeissel

Info

Publication number
DE59207153D1
DE59207153D1 DE59207153T DE59207153T DE59207153D1 DE 59207153 D1 DE59207153 D1 DE 59207153D1 DE 59207153 T DE59207153 T DE 59207153T DE 59207153 T DE59207153 T DE 59207153T DE 59207153 D1 DE59207153 D1 DE 59207153D1
Authority
DE
Germany
Prior art keywords
drill bits
drill
bits
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
DE59207153T
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 DE59207153D1 publication Critical patent/DE59207153D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
DE59207153T 1991-05-06 1992-04-23 Bohrmeissel Expired - Fee Related DE59207153D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4928471 1991-05-06

Publications (1)

Publication Number Publication Date
DE59207153D1 true DE59207153D1 (de) 1996-10-24

Family

ID=21570314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59207153T Expired - Fee Related DE59207153D1 (de) 1991-05-06 1992-04-23 Bohrmeissel

Country Status (5)

Country Link
US (1) US5303784A (de)
EP (1) EP0512330B1 (de)
JP (1) JP2610749B2 (de)
CA (1) CA2068005C (de)
DE (1) DE59207153D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277758B (en) * 1993-05-05 1996-07-24 Kt Bjuro Tekhn Sredstv Burenia A drill bit equipped with vortex nozzles,and a vortex nozzle for use in the drill bit
US6338390B1 (en) * 1999-01-12 2002-01-15 Baker Hughes Incorporated Method and apparatus for drilling a subterranean formation employing drill bit oscillation
US20020148606A1 (en) * 2001-03-01 2002-10-17 Shunfeng Zheng Method and apparatus to vibrate a downhole component by use of acoustic resonance
US7938203B1 (en) 2010-10-25 2011-05-10 Hall David R Downhole centrifugal drilling fluid separator
RU2555852C1 (ru) * 2014-06-11 2015-07-10 Виталий Анатольевич Ясашин Буровое шарошечное долото

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3105560A (en) * 1960-01-04 1963-10-01 Maria N Zublin Weight controlled vibratory drilling device
US3416487A (en) * 1966-03-22 1968-12-17 Green Eng Co Method and apparatus for generating and applying sonic energy
US3441094A (en) * 1966-08-05 1969-04-29 Hughes Tool Co Drilling methods and apparatus employing out-of-phase pressure variations in a drilling fluid
US3415330A (en) * 1967-02-10 1968-12-10 Gen Dynamics Corp Hydroacoustic apparatus
US3532174A (en) * 1969-05-15 1970-10-06 Nick D Diamantides Vibratory drill apparatus
US3610347A (en) * 1969-06-02 1971-10-05 Nick D Diamantides Vibratory drill apparatus
US4512420A (en) * 1980-07-17 1985-04-23 Gill Industries, Inc. Downhole vortex generator
US4475603A (en) * 1982-09-27 1984-10-09 Petroleum Instrumentation & Technological Services Separator sub
US4687066A (en) * 1986-01-15 1987-08-18 Varel Manufacturing Company Rock bit circulation nozzle
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
JPH06257367A (ja) 1994-09-13
US5303784A (en) 1994-04-19
EP0512330A1 (de) 1992-11-11
EP0512330B1 (de) 1996-09-18
CA2068005A1 (en) 1992-11-07
JP2610749B2 (ja) 1997-05-14
CA2068005C (en) 1998-08-25

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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