NL41661C - - Google Patents
Info
- Publication number
- NL41661C NL41661C NL41661DA NL41661C NL 41661 C NL41661 C NL 41661C NL 41661D A NL41661D A NL 41661DA NL 41661 C NL41661 C NL 41661C
- Authority
- NL
- Netherlands
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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
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 |
|---|---|
| NL41661C true NL41661C (de) | 1900-01-01 |
Family
ID=1802796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL41661D NL41661C (de) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL41661C (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1198657A4 (de) * | 1999-06-03 | 2003-07-02 | Shelljet Pty Ltd | Kernorientierung |
-
0
- NL NL41661D patent/NL41661C/xx active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1198657A4 (de) * | 1999-06-03 | 2003-07-02 | Shelljet Pty Ltd | Kernorientierung |