DE94216C - - Google Patents
Info
- Publication number
- DE94216C DE94216C DENDAT94216D DE94216DA DE94216C DE 94216 C DE94216 C DE 94216C DE NDAT94216 D DENDAT94216 D DE NDAT94216D DE 94216D A DE94216D A DE 94216DA DE 94216 C DE94216 C DE 94216C
- Authority
- DE
- Germany
- Prior art keywords
- chain
- bucket elevator
- drill
- rod
- drill 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 244000173207 Phyllanthus amarus Species 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002023 wood Substances 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (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 |
|---|---|
| DE94216C true DE94216C (fr) |
Family
ID=365573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT94216D Active DE94216C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE94216C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368952A (en) * | 1991-06-12 | 1994-11-29 | Stork Screens B.V. | Metal suspension half-cell for an accumulator, method for operating such a half-cell and metal suspension accumulator comprising such a half-cell |
-
0
- DE DENDAT94216D patent/DE94216C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368952A (en) * | 1991-06-12 | 1994-11-29 | Stork Screens B.V. | Metal suspension half-cell for an accumulator, method for operating such a half-cell and metal suspension accumulator comprising such a half-cell |
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