GB2286841A - Nozzle structure for rotary drill bit - Google Patents

Nozzle structure for rotary drill bit Download PDF

Info

Publication number
GB2286841A
GB2286841A GB9403544A GB9403544A GB2286841A GB 2286841 A GB2286841 A GB 2286841A GB 9403544 A GB9403544 A GB 9403544A GB 9403544 A GB9403544 A GB 9403544A GB 2286841 A GB2286841 A GB 2286841A
Authority
GB
United Kingdom
Prior art keywords
nozzle structure
inner portion
nozzle
structure according
outer portion
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Withdrawn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
GB9403544A
Other languages
English (en)
Other versions
GB9403544D0 (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
Priority to GB9403544A priority Critical patent/GB2286841A/en
Publication of GB9403544D0 publication Critical patent/GB9403544D0/en
Priority to EP95300879A priority patent/EP0669449A3/fr
Publication of GB2286841A publication Critical patent/GB2286841A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK 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 FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR 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; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR 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 OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB9403544A 1994-02-24 1994-02-24 Nozzle structure for rotary drill bit Withdrawn GB2286841A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9403544A GB2286841A (en) 1994-02-24 1994-02-24 Nozzle structure for rotary drill bit
EP95300879A EP0669449A3 (fr) 1994-02-24 1995-02-13 Structure de duse pour trépans de forage rotatif.

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB9403544D0 GB9403544D0 (en) 1994-04-13
GB2286841A true GB2286841A (en) 1995-08-30

Family

ID=10750852

Family Applications (1)

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

Country Status (2)

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

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH443187A (fr) * 1964-06-04 1967-09-15 Aquitaine Petrole Outil rotatif de forage à lames fluides et procédé de fabrication d'un tel outil
US3520478A (en) * 1966-06-06 1970-07-14 Stackpole Carbon Co Rocket nozzles
IE49733B1 (en) * 1978-12-29 1985-12-11 Gen Electric Integral composite of polycrystalline diamond and/or cubic boron nitride body phase and substrate phase and process for making it
DE3116424A1 (de) * 1981-04-24 1982-11-11 Hilti AG, 9494 Schaan Duebel
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
EP0669449A2 (fr) 1995-08-30
EP0669449A3 (fr) 1996-06-05
GB9403544D0 (en) 1994-04-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)