GB2319549B - Earth boring bit - Google Patents
Earth boring bitInfo
- Publication number
- GB2319549B GB2319549B GB9802230A GB9802230A GB2319549B GB 2319549 B GB2319549 B GB 2319549B GB 9802230 A GB9802230 A GB 9802230A GB 9802230 A GB9802230 A GB 9802230A GB 2319549 B GB2319549 B GB 2319549B
- Authority
- GB
- United Kingdom
- Prior art keywords
- earth boring
- boring bit
- bit
- earth
- boring
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
-
- 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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
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)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Control Of Metal Rolling (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/630,517 US6390210B1 (en) | 1996-04-10 | 1996-04-10 | Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty |
US08/667,758 US5833020A (en) | 1996-04-10 | 1996-06-21 | Rolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting duty |
PCT/US1997/005948 WO1997038205A1 (en) | 1996-04-10 | 1997-04-10 | Rolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting duty |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9802230D0 GB9802230D0 (en) | 1998-04-01 |
GB2319549A GB2319549A (en) | 1998-05-27 |
GB2319549B true GB2319549B (en) | 2000-09-06 |
Family
ID=27091174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9802230A Expired - Fee Related GB2319549B (en) | 1996-04-10 | 1997-04-10 | Earth boring bit |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU2725997A (en) |
CA (1) | CA2228156C (en) |
GB (1) | GB2319549B (en) |
SE (1) | SE9800295L (en) |
WO (1) | WO1997038205A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5979575A (en) * | 1998-06-25 | 1999-11-09 | Baker Hughes Incorporated | Hybrid rock bit |
US6345673B1 (en) | 1998-11-20 | 2002-02-12 | Smith International, Inc. | High offset bits with super-abrasive cutters |
GB2378725B (en) * | 1998-11-20 | 2003-06-11 | Smith International | Earth boring bit |
GB2362905B (en) * | 2000-05-18 | 2004-09-15 | Smith International | Earth-boring bit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5353885A (en) * | 1991-05-01 | 1994-10-11 | Smith International, Inc. | Rock bit |
US5542485A (en) * | 1993-07-08 | 1996-08-06 | Baker Hughes Incorporated | Earth-boring bit with improved cutting structure |
-
1997
- 1997-04-10 WO PCT/US1997/005948 patent/WO1997038205A1/en active Application Filing
- 1997-04-10 GB GB9802230A patent/GB2319549B/en not_active Expired - Fee Related
- 1997-04-10 CA CA002228156A patent/CA2228156C/en not_active Expired - Fee Related
- 1997-04-10 AU AU27259/97A patent/AU2725997A/en not_active Abandoned
-
1998
- 1998-02-02 SE SE9800295A patent/SE9800295L/en not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5353885A (en) * | 1991-05-01 | 1994-10-11 | Smith International, Inc. | Rock bit |
US5542485A (en) * | 1993-07-08 | 1996-08-06 | Baker Hughes Incorporated | Earth-boring bit with improved cutting structure |
Also Published As
Publication number | Publication date |
---|---|
CA2228156A1 (en) | 1997-10-16 |
GB2319549A (en) | 1998-05-27 |
WO1997038205A1 (en) | 1997-10-16 |
SE9800295L (en) | 1998-02-10 |
CA2228156C (en) | 2006-08-22 |
AU2725997A (en) | 1997-10-29 |
SE9800295D0 (en) | 1998-02-02 |
GB9802230D0 (en) | 1998-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20150410 |