GB2399526B - A Drill Bit And Cutting Tooth - Google Patents
A Drill Bit And Cutting ToothInfo
- Publication number
- GB2399526B GB2399526B GB0416779A GB0416779A GB2399526B GB 2399526 B GB2399526 B GB 2399526B GB 0416779 A GB0416779 A GB 0416779A GB 0416779 A GB0416779 A GB 0416779A GB 2399526 B GB2399526 B GB 2399526B
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill bit
- cutting tooth
- tooth
- cutting
- drill
- 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
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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
- E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
- E21B10/485—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like
-
- 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
- E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Milling Processes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10205643A DE10205643C1 (en) | 2002-02-12 | 2002-02-12 | Drill bit with detachable cutting teeth |
PCT/EP2002/014789 WO2003068438A1 (en) | 2002-02-12 | 2002-12-28 | Fixing arrangement |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0416779D0 GB0416779D0 (en) | 2004-09-01 |
GB2399526A GB2399526A (en) | 2004-09-22 |
GB2399526B true GB2399526B (en) | 2005-07-27 |
Family
ID=27674601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0416779A Expired - Fee Related GB2399526B (en) | 2002-02-12 | 2002-12-28 | A Drill Bit And Cutting Tooth |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050139396A1 (en) |
CN (1) | CN1617781A (en) |
AU (1) | AU2002361225A1 (en) |
DE (1) | DE10205643C1 (en) |
GB (1) | GB2399526B (en) |
WO (1) | WO2003068438A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003900227A0 (en) * | 2003-01-20 | 2003-02-06 | Transco Manufacturing Australia Pty Ltd | Attachment means for drilling equipment |
CN105156036B (en) | 2015-08-27 | 2018-01-05 | 中国石油天然气集团公司 | Convex ridge type on-plane surface cutting tooth and diamond bit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0298061A1 (en) * | 1987-07-02 | 1989-01-04 | Sandvik Aktiebolag | Drill and cutting insert therefore |
DE3933867A1 (en) * | 1989-10-11 | 1991-04-18 | Fromme Theo | Drilling crown for drilling tube - has teeth welded at equal intervals around its leading edge perimeter and is then welded to tube |
WO1998019814A1 (en) * | 1996-11-08 | 1998-05-14 | Hougen Everett D | End face mounted insert |
EP1136161A1 (en) * | 2000-03-17 | 2001-09-26 | Sandvik Aktiebolag | Drilling tool |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3943076A1 (en) * | 1989-12-27 | 1991-07-04 | Hilti Ag | HAND DEVICE WITH MILLING OR GRINDING WHEEL |
DE4002907A1 (en) | 1990-02-01 | 1991-08-08 | Leffer Stahl & App | Cylindrical cutting head forms extension of borehole drill pipe |
DE4226363C2 (en) * | 1992-08-10 | 1995-07-06 | Bauer Spezialtiefbau | Drill bit with widely distributed, detachably arranged tooth bodies |
-
2002
- 2002-02-12 DE DE10205643A patent/DE10205643C1/en not_active Expired - Fee Related
- 2002-12-28 WO PCT/EP2002/014789 patent/WO2003068438A1/en not_active Application Discontinuation
- 2002-12-28 US US10/504,348 patent/US20050139396A1/en not_active Abandoned
- 2002-12-28 CN CNA028276337A patent/CN1617781A/en active Pending
- 2002-12-28 GB GB0416779A patent/GB2399526B/en not_active Expired - Fee Related
- 2002-12-28 AU AU2002361225A patent/AU2002361225A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0298061A1 (en) * | 1987-07-02 | 1989-01-04 | Sandvik Aktiebolag | Drill and cutting insert therefore |
DE3933867A1 (en) * | 1989-10-11 | 1991-04-18 | Fromme Theo | Drilling crown for drilling tube - has teeth welded at equal intervals around its leading edge perimeter and is then welded to tube |
WO1998019814A1 (en) * | 1996-11-08 | 1998-05-14 | Hougen Everett D | End face mounted insert |
EP1136161A1 (en) * | 2000-03-17 | 2001-09-26 | Sandvik Aktiebolag | Drilling tool |
Also Published As
Publication number | Publication date |
---|---|
GB2399526A (en) | 2004-09-22 |
GB0416779D0 (en) | 2004-09-01 |
WO2003068438A1 (en) | 2003-08-21 |
AU2002361225A1 (en) | 2003-09-04 |
CN1617781A (en) | 2005-05-18 |
US20050139396A1 (en) | 2005-06-30 |
DE10205643C1 (en) | 2003-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20061228 |