BE367507A - - Google Patents
Info
- Publication number
- BE367507A BE367507A BE367507DA BE367507A BE 367507 A BE367507 A BE 367507A BE 367507D A BE367507D A BE 367507DA BE 367507 A BE367507 A BE 367507A
- Authority
- BE
- Belgium
Links
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
- E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil
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)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR578303X | 1929-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE367507A true BE367507A (nl) |
Family
ID=8955310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE367507D BE367507A (nl) | 1929-11-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE367507A (nl) |
| DE (1) | DE578303C (nl) |
| FR (1) | FR700868A (nl) |
-
0
- BE BE367507D patent/BE367507A/xx unknown
-
1929
- 1929-11-12 FR FR700868D patent/FR700868A/fr not_active Expired
-
1930
- 1930-02-12 DE DE1930578303D patent/DE578303C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR700868A (fr) | 1931-03-09 |
| DE578303C (de) | 1933-06-14 |