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Nozzle structure for rotary drill bits.

Info

Publication number
EP0669449A3
EP0669449A3 EP19950300879 EP95300879A EP0669449A3 EP 0669449 A3 EP0669449 A3 EP 0669449A3 EP 19950300879 EP19950300879 EP 19950300879 EP 95300879 A EP95300879 A EP 95300879A EP 0669449 A3 EP0669449 A3 EP 0669449A3
Authority
EP
Grant status
Application
Patent type
Prior art keywords
nozzle
structure
rotary
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.)
Withdrawn
Application number
EP19950300879
Other languages
German (de)
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

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/60Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or apparatus not otherwise provided for; Accessories
    • B05B15/06Mountings, supporting or holding means, or rests for spray heads or other outlets or for the whole spraying apparatus when in use or out of use
    • B05B15/065Mounting arrangements for fluidically connecting the spray apparatus, spray heads or other outlets to a flow conduit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • B22F3/26Impregnating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/06Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of threaded articles, e.g. nuts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/62Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
EP19950300879 1994-02-24 1995-02-13 Nozzle structure for rotary drill bits. Withdrawn EP0669449A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9403544A GB9403544D0 (en) 1994-02-24 1994-02-24 Improvements in or relating to nozzle structures for rotary drill bits
GB9403544 1994-02-24

Publications (2)

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

Family

ID=10750852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950300879 Withdrawn EP0669449A3 (en) 1994-02-24 1995-02-13 Nozzle structure for rotary drill bits.

Country Status (2)

Country Link
EP (1) EP0669449A3 (en)
GB (1) GB9403544D0 (en)

Families Citing this family (3)

* 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

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 Type
GB2286841A (en) 1995-08-30 application
GB9403544D0 (en) 1994-04-13 grant
EP0669449A2 (en) 1995-08-30 application

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