DE245529C - - Google Patents
Info
- Publication number
- DE245529C DE245529C DENDAT245529D DE245529DC DE245529C DE 245529 C DE245529 C DE 245529C DE NDAT245529 D DENDAT245529 D DE NDAT245529D DE 245529D C DE245529D C DE 245529DC DE 245529 C DE245529 C DE 245529C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- lever
- crowbar
- planks
- opposite
- 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
- 239000011435 rock Substances 0.000 claims description 3
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
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 |
|---|---|
| DE245529C true DE245529C (forum.php) |
Family
ID=504482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT245529D Active DE245529C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE245529C (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993023653A1 (en) * | 1992-05-13 | 1993-11-25 | Anders Sande | Device for loosening drilling rods |
-
0
- DE DENDAT245529D patent/DE245529C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993023653A1 (en) * | 1992-05-13 | 1993-11-25 | Anders Sande | Device for loosening drilling rods |
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