DE222233C - - Google Patents
Info
- Publication number
- DE222233C DE222233C DENDAT222233D DE222233DA DE222233C DE 222233 C DE222233 C DE 222233C DE NDAT222233 D DENDAT222233 D DE NDAT222233D DE 222233D A DE222233D A DE 222233DA DE 222233 C DE222233 C DE 222233C
- Authority
- DE
- Germany
- Prior art keywords
- expansion body
- pipe
- linkage
- rod
- catching
- 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
- 210000000078 claw Anatomy 0.000 claims description 11
- 241000947840 Alteromonadales Species 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
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
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)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE222233C true DE222233C (cg-RX-API-DMAC7.html) |
Family
ID=483143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT222233D Active DE222233C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE222233C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT222233D patent/DE222233C/de active Active
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