EP0669449A3 - Nozzle structure for rotary drill bits. - Google Patents

Nozzle structure for rotary drill bits. Download PDF

Info

Publication number
EP0669449A3
EP0669449A3 EP95300879A EP95300879A EP0669449A3 EP 0669449 A3 EP0669449 A3 EP 0669449A3 EP 95300879 A EP95300879 A EP 95300879A EP 95300879 A EP95300879 A EP 95300879A EP 0669449 A3 EP0669449 A3 EP 0669449A3
Authority
EP
European Patent Office
Prior art keywords
drill bits
nozzle structure
rotary drill
nozzle
rotary
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.)
Withdrawn
Application number
EP95300879A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0669449A2 (en
Inventor
John Michael Fuller
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.)
Camco Drilling Group Ltd
Original Assignee
Camco Drilling Group Ltd
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 Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Publication of EP0669449A2 publication Critical patent/EP0669449A2/en
Publication of EP0669449A3 publication Critical patent/EP0669449A3/en
Withdrawn legal-status Critical Current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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F3/26—Impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/06—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of threaded articles, e.g. nuts
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
EP95300879A 1994-02-24 1995-02-13 Nozzle structure for rotary drill bits. Withdrawn EP0669449A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9403544A GB2286841A (en) 1994-02-24 1994-02-24 Nozzle structure for rotary drill bit
GB9403544 1994-02-24

Publications (2)

Publication Number Publication Date
EP0669449A2 EP0669449A2 (en) 1995-08-30
EP0669449A3 true EP0669449A3 (en) 1996-06-05

Family

ID=10750852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95300879A Withdrawn EP0669449A3 (en) 1994-02-24 1995-02-13 Nozzle structure for rotary drill bits.

Country Status (2)

Country Link
EP (1) EP0669449A3 (un)
GB (1) GB2286841A (un)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6585063B2 (en) * 2000-12-14 2003-07-01 Smith International, Inc. Multi-stage diffuser nozzle
US7040423B2 (en) * 2004-02-26 2006-05-09 Smith International, Inc. Nozzle bore for high flow rates
US7694608B2 (en) 2005-12-20 2010-04-13 Smith International, Inc. Method of manufacturing a matrix body drill bit
CN106759362A (zh) * 2017-02-20 2017-05-31 北京中岩大地科技股份有限公司 一种高性能旋喷钻头

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358783A (en) * 1964-06-04 1967-12-19 Aquitaine Petrole Abrasive resistant elements for the vents of rotatable drilling tools and method of manufacture
US3520478A (en) * 1966-06-06 1970-07-14 Stackpole Carbon Co Rocket nozzles
EP0012966A1 (en) * 1978-12-29 1980-07-09 General Electric Company Integral composite of polycristalline diamond and/or cubic boron nitride body phase and substrate phase and process for making it
US4381825A (en) * 1981-08-27 1983-05-03 Strata Bit Corporation Drill bit nozzle
US4533005A (en) * 1983-11-21 1985-08-06 Strata Bit Corporation Adjustable nozzle
US4542798A (en) * 1984-01-31 1985-09-24 Reed Rock Bit Company Nozzle assembly for an earth boring drill bit
US4564324A (en) * 1981-04-24 1986-01-14 Hilti Aktiengesellschaft Dowel
US4567954A (en) * 1983-12-02 1986-02-04 Norton Christensen, Inc. Replaceable nozzles for insertion into a drilling bit formed by powder metallurgical techniques and a method for manufacturing the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358783A (en) * 1964-06-04 1967-12-19 Aquitaine Petrole Abrasive resistant elements for the vents of rotatable drilling tools and method of manufacture
US3520478A (en) * 1966-06-06 1970-07-14 Stackpole Carbon Co Rocket nozzles
EP0012966A1 (en) * 1978-12-29 1980-07-09 General Electric Company Integral composite of polycristalline diamond and/or cubic boron nitride body phase and substrate phase and process for making it
US4564324A (en) * 1981-04-24 1986-01-14 Hilti Aktiengesellschaft Dowel
US4381825A (en) * 1981-08-27 1983-05-03 Strata Bit Corporation Drill bit nozzle
US4533005A (en) * 1983-11-21 1985-08-06 Strata Bit Corporation Adjustable nozzle
US4567954A (en) * 1983-12-02 1986-02-04 Norton Christensen, Inc. Replaceable nozzles for insertion into a drilling bit formed by powder metallurgical techniques and a method for manufacturing the same
US4542798A (en) * 1984-01-31 1985-09-24 Reed Rock Bit Company Nozzle assembly for an earth boring drill bit

Also Published As

Publication number Publication date
EP0669449A2 (en) 1995-08-30
GB9403544D0 (en) 1994-04-13
GB2286841A (en) 1995-08-30

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