DE155801C - - Google Patents
Info
- Publication number
- DE155801C DE155801C DENDAT155801D DE155801DA DE155801C DE 155801 C DE155801 C DE 155801C DE NDAT155801 D DENDAT155801 D DE NDAT155801D DE 155801D A DE155801D A DE 155801DA DE 155801 C DE155801 C DE 155801C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- spring
- drilling
- spindle
- stuffing box
- 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
- 239000011435 rock Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 230000005021 gait Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000002699 waste material 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
- 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
- E21B19/081—Screw-and-nut feed mechanisms
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 |
|---|---|
| DE155801C true DE155801C (cg-RX-API-DMAC7.html) |
Family
ID=422239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT155801D Active DE155801C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE155801C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT155801D patent/DE155801C/de active Active
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