GB0713923D0 - Drill bit - Google Patents
Drill bitInfo
- Publication number
- GB0713923D0 GB0713923D0 GBGB0713923.1A GB0713923A GB0713923D0 GB 0713923 D0 GB0713923 D0 GB 0713923D0 GB 0713923 A GB0713923 A GB 0713923A GB 0713923 D0 GB0713923 D0 GB 0713923D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill bit
- drill
- bit
- 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.)
- Granted
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1092—Gauge section of drill bits
-
- 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
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)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0713923.1A GB2451100B (en) | 2007-07-18 | 2007-07-18 | Drill bit |
RU2008110524/03A RU2492307C2 (en) | 2007-07-18 | 2008-03-20 | Drill bit |
CN200810137728.3A CN101349144B (en) | 2007-07-18 | 2008-07-18 | Drill bit |
CNU2008201259263U CN201221316Y (en) | 2007-07-18 | 2008-07-18 | Drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0713923.1A GB2451100B (en) | 2007-07-18 | 2007-07-18 | Drill bit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0713923D0 true GB0713923D0 (en) | 2007-08-29 |
GB2451100A GB2451100A (en) | 2009-01-21 |
GB2451100B GB2451100B (en) | 2012-02-15 |
Family
ID=38476483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0713923.1A Expired - Fee Related GB2451100B (en) | 2007-07-18 | 2007-07-18 | Drill bit |
Country Status (3)
Country | Link |
---|---|
CN (2) | CN201221316Y (en) |
GB (1) | GB2451100B (en) |
RU (1) | RU2492307C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2451100B (en) * | 2007-07-18 | 2012-02-15 | Schlumberger Holdings | Drill bit |
US9926779B2 (en) | 2011-11-10 | 2018-03-27 | Schlumberger Technology Corporation | Downhole whirl detection while drilling |
US10562109B2 (en) * | 2017-11-22 | 2020-02-18 | The Boeing Company | Tapered drill bit and automated process |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3006224A1 (en) * | 1980-02-20 | 1981-08-27 | Hermann-Dietrich 2300 Kiel Molsner | Ram-type test boring system - with leading point comprising concentric disc with diameters decreasing towards end |
SU1430493A1 (en) * | 1986-07-14 | 1988-10-15 | Среднеазиатский Научно-Исследовательский Институт Геологии И Минерального Сырья | Rotary bit drill |
US5147000A (en) * | 1990-06-19 | 1992-09-15 | Norvic S.A. | Disc drill bit |
CN2076152U (en) * | 1990-10-23 | 1991-05-01 | 四川石油管理局钻采工艺研究所 | Pilot bit |
CN2718211Y (en) * | 2004-04-16 | 2005-08-17 | 辽河石油勘探局 | Reconditioning casing probe milling awl |
GB0418382D0 (en) * | 2004-08-18 | 2004-09-22 | Reed Hycalog Uk Ltd | Rotary drill bit |
US9574405B2 (en) * | 2005-09-21 | 2017-02-21 | Smith International, Inc. | Hybrid disc bit with optimized PDC cutter placement |
GB2451100B (en) * | 2007-07-18 | 2012-02-15 | Schlumberger Holdings | Drill bit |
-
2007
- 2007-07-18 GB GB0713923.1A patent/GB2451100B/en not_active Expired - Fee Related
-
2008
- 2008-03-20 RU RU2008110524/03A patent/RU2492307C2/en not_active IP Right Cessation
- 2008-07-18 CN CNU2008201259263U patent/CN201221316Y/en not_active Expired - Fee Related
- 2008-07-18 CN CN200810137728.3A patent/CN101349144B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2451100B (en) | 2012-02-15 |
CN101349144B (en) | 2014-01-01 |
CN101349144A (en) | 2009-01-21 |
GB2451100A (en) | 2009-01-21 |
RU2492307C2 (en) | 2013-09-10 |
RU2008110524A (en) | 2009-09-27 |
CN201221316Y (en) | 2009-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20170718 |