CA726568A - Underdrilling bit - Google Patents
Underdrilling bitInfo
- Publication number
- CA726568A CA726568A CA726568DA CA726568A CA 726568 A CA726568 A CA 726568A CA 726568D A CA726568D A CA 726568DA CA 726568 A CA726568 A CA 726568A
- Authority
- CA
- Canada
- Prior art keywords
- underdrilling
- bit
- underdrilling 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.)
- Expired
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
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA726568T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA726568A true CA726568A (en) | 1966-01-25 |
Family
ID=36065475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA726568D Expired CA726568A (en) | Underdrilling bit |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA726568A (en) |
-
0
- CA CA726568D patent/CA726568A/en not_active Expired
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