EP0669449A3 - Düsenstruktur für Drehbohrmeissel. - Google Patents
Düsenstruktur für Drehbohrmeissel. Download PDFInfo
- 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- Withdrawn
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
- E21B10/60—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 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
- E21B10/62—Drill 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)
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 (de) | 1995-08-30 |
EP0669449A3 true EP0669449A3 (de) | 1996-06-05 |
Family
ID=10750852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95300879A Withdrawn EP0669449A3 (de) | 1994-02-24 | 1995-02-13 | Düsenstruktur für Drehbohrmeissel. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0669449A3 (de) |
GB (1) | GB2286841A (de) |
Families Citing this family (4)
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)
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 (de) * | 1978-12-29 | 1980-07-09 | General Electric Company | Integrierter Verbundkörper mit einer polykristallinen Phase aus Diamant und/oder kubischem Bornitrid und einer Substratphase und Verfahren zu seiner Herstellung |
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 |
-
1994
- 1994-02-24 GB GB9403544A patent/GB2286841A/en not_active Withdrawn
-
1995
- 1995-02-13 EP EP95300879A patent/EP0669449A3/de not_active Withdrawn
Patent Citations (8)
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 (de) * | 1978-12-29 | 1980-07-09 | General Electric Company | Integrierter Verbundkörper mit einer polykristallinen Phase aus Diamant und/oder kubischem Bornitrid und einer Substratphase und Verfahren zu seiner Herstellung |
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 (de) | 1995-08-30 |
GB2286841A (en) | 1995-08-30 |
GB9403544D0 (en) | 1994-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE DE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19961206 |