FR823873A - - Google Patents
Info
- Publication number
- FR823873A FR823873A FR823873DA FR823873A FR 823873 A FR823873 A FR 823873A FR 823873D A FR823873D A FR 823873DA FR 823873 A FR823873 A FR 823873A
- Authority
- FR
- France
- 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.)
- Expired
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
- E21B7/00—Special methods or apparatus for drilling
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR823873A true FR823873A (xx) | 1938-01-27 |
Family
ID=1553678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR823873D Expired FR823873A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR823873A (xx) |
-
0
- FR FR823873D patent/FR823873A/fr not_active Expired