DE226622C - - Google Patents
Info
- Publication number
- DE226622C DE226622C DENDAT226622D DE226622DA DE226622C DE 226622 C DE226622 C DE 226622C DE NDAT226622 D DENDAT226622 D DE NDAT226622D DE 226622D A DE226622D A DE 226622DA DE 226622 C DE226622 C DE 226622C
- Authority
- DE
- Germany
- Prior art keywords
- rod
- dross
- borehole
- plates
- sleeve
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 description 3
- 235000012054 meals Nutrition 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/003—Drilling with mechanical conveying means
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 |
---|---|
DE226622C true DE226622C (enrdf_load_stackoverflow) |
Family
ID=487161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT226622D Active DE226622C (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE226622C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT226622D patent/DE226622C/de active Active
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