FR49197E - Method and device for combating rock dust - Google Patents
Method and device for combating rock dustInfo
- Publication number
- FR49197E FR49197E FR49197DA FR49197E FR 49197 E FR49197 E FR 49197E FR 49197D A FR49197D A FR 49197DA FR 49197 E FR49197 E FR 49197E
- Authority
- FR
- France
- Prior art keywords
- combating
- rock dust
- rock
- dust
- combating rock
- 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
- 239000000428 dust Substances 0.000 title 1
- 239000011435 rock Substances 0.000 title 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/011—Dust eliminating or dust removing while drilling
- E21B21/013—Dust eliminating or dust removing while drilling by liquids
- E21B21/0135—Liquid flushing installations
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 |
|---|---|---|---|
| FR49197T | 1938-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR49197E true FR49197E (en) | 1938-11-28 |
Family
ID=8684406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR49197D Expired FR49197E (en) | 1938-02-22 | 1938-02-22 | Method and device for combating rock dust |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR49197E (en) |
-
1938
- 1938-02-22 FR FR49197D patent/FR49197E/en not_active Expired
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