DE312861C - - Google Patents
Info
- Publication number
- DE312861C DE312861C DENDAT312861D DE312861DA DE312861C DE 312861 C DE312861 C DE 312861C DE NDAT312861 D DENDAT312861 D DE NDAT312861D DE 312861D A DE312861D A DE 312861DA DE 312861 C DE312861 C DE 312861C
- Authority
- DE
- Germany
- Prior art keywords
- electromagnet
- borehole
- rod
- spring
- pin
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE312861C true DE312861C (enrdf_load_stackoverflow) |
Family
ID=565763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT312861D Active DE312861C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE312861C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT312861D patent/DE312861C/de active Active
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