BE513754A - - Google Patents
Info
- Publication number
- BE513754A BE513754A BE513754DA BE513754A BE 513754 A BE513754 A BE 513754A BE 513754D A BE513754D A BE 513754DA BE 513754 A BE513754 A BE 513754A
- Authority
- BE
- Belgium
- Prior art keywords
- bit
- diameter
- cutting
- edges
- drilling
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 15
- 239000011435 rock Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000425571 Trepanes Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 230000000750 progressive effect Effects 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
- E21B10/36—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)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE513754A true BE513754A (de) |
Family
ID=151776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE513754D BE513754A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE513754A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058061A3 (de) * | 1981-02-07 | 1982-09-01 | DRILLING & SERVICE U.K. LIMITED | Erdbohrwerkzeug |
-
0
- BE BE513754D patent/BE513754A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058061A3 (de) * | 1981-02-07 | 1982-09-01 | DRILLING & SERVICE U.K. LIMITED | Erdbohrwerkzeug |
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