BE495852A - - Google Patents
Info
- Publication number
- BE495852A BE495852A BE495852DA BE495852A BE 495852 A BE495852 A BE 495852A BE 495852D A BE495852D A BE 495852DA BE 495852 A BE495852 A BE 495852A
- Authority
- BE
- Belgium
- Prior art keywords
- switch
- finger
- notch
- carriage
- motor
- Prior art date
Links
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 description 13
- 239000004020 conductor Substances 0.000 description 7
- 238000005553 drilling Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009699 differential effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 241000555745 Sciuridae Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037452 priming Effects 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE495852A true BE495852A (en:Method) |
Family
ID=139230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE495852D BE495852A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE495852A (en:Method) |
-
0
- BE BE495852D patent/BE495852A/fr unknown
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