DE191506C - - Google Patents
Info
- Publication number
- DE191506C DE191506C DENDAT191506D DE191506DA DE191506C DE 191506 C DE191506 C DE 191506C DE NDAT191506 D DENDAT191506 D DE NDAT191506D DE 191506D A DE191506D A DE 191506DA DE 191506 C DE191506 C DE 191506C
- Authority
- DE
- Germany
- Prior art keywords
- ropes
- chisel
- linkage
- spring
- rod
- 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 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241000947840 Alteromonadales Species 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000725 suspension 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
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)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE191506C true DE191506C (cs) |
Family
ID=454898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT191506D Active DE191506C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE191506C (cs) |
-
0
- DE DENDAT191506D patent/DE191506C/de active Active
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