CA2620711A1 - Trepan pour couteau cisaillant - Google Patents
Trepan pour couteau cisaillant Download PDFInfo
- Publication number
- CA2620711A1 CA2620711A1 CA002620711A CA2620711A CA2620711A1 CA 2620711 A1 CA2620711 A1 CA 2620711A1 CA 002620711 A CA002620711 A CA 002620711A CA 2620711 A CA2620711 A CA 2620711A CA 2620711 A1 CA2620711 A1 CA 2620711A1
- Authority
- CA
- Canada
- Prior art keywords
- zone
- cutters
- majority
- bit
- backrake
- 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.)
- Abandoned
Links
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 23
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000035515 penetration Effects 0.000 claims description 4
- 238000005755 formation reaction Methods 0.000 description 16
- 239000011435 rock Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
- E21B10/42—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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002620711A CA2620711A1 (fr) | 2008-02-08 | 2008-02-08 | Trepan pour couteau cisaillant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002620711A CA2620711A1 (fr) | 2008-02-08 | 2008-02-08 | Trepan pour couteau cisaillant |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2620711A1 true CA2620711A1 (fr) | 2009-08-08 |
Family
ID=40940189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002620711A Abandoned CA2620711A1 (fr) | 2008-02-08 | 2008-02-08 | Trepan pour couteau cisaillant |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2620711A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110374514A (zh) * | 2019-08-21 | 2019-10-25 | 中交天和机械设备制造有限公司 | 工程嵌岩钻孔用刀具 |
-
2008
- 2008-02-08 CA CA002620711A patent/CA2620711A1/fr not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110374514A (zh) * | 2019-08-21 | 2019-10-25 | 中交天和机械设备制造有限公司 | 工程嵌岩钻孔用刀具 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |