DE154521C - - Google Patents
Info
- Publication number
- DE154521C DE154521C DENDAT154521D DE154521DA DE154521C DE 154521 C DE154521 C DE 154521C DE NDAT154521 D DENDAT154521 D DE NDAT154521D DE 154521D A DE154521D A DE 154521DA DE 154521 C DE154521 C DE 154521C
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- linkage
- piston
- rod
- steam
- 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 10
- 230000035515 penetration Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000000872 buffer Substances 0.000 description 3
- 238000009527 percussion 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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
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 |
|---|---|
| DE154521C true DE154521C (https=) |
Family
ID=421057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT154521D Active DE154521C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE154521C (https=) |
-
0
- DE DENDAT154521D patent/DE154521C/de active Active
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