NL34377C - - Google Patents
Info
- Publication number
- NL34377C NL34377C NL46144A NL46144A NL34377C NL 34377 C NL34377 C NL 34377C NL 46144 A NL46144 A NL 46144A NL 46144 A NL46144 A NL 46144A NL 34377 C NL34377 C NL 34377C
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/04—Sampling of soil
-
- 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
- E21B25/08—Coating, freezing, consolidating cores; Recovering uncontaminated cores or cores at formation pressure
-
- 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
- E21B25/10—Formed core retaining or severing means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB137463D DE592359C (de) | 1928-05-08 | 1928-05-08 | Probenehmer mit einem Kernrohr |
| DEB139291D DE622027C (de) | 1928-05-08 | 1928-09-11 | Verfahren und Vorrichtung zum Verschliessen des Kernrohres bei dem Probenehmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34377C true NL34377C (h) | 1935-01-15 |
Family
ID=25968733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL46144A NL34377C (h) | 1928-05-08 | 1929-05-02 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE622027C (h) |
| FR (1) | FR674713A (h) |
| NL (1) | NL34377C (h) |
-
1928
- 1928-09-11 DE DEB139291D patent/DE622027C/de not_active Expired
-
1929
- 1929-05-02 NL NL46144A patent/NL34377C/xx active
- 1929-05-07 FR FR674713D patent/FR674713A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR674713A (fr) | 1930-01-31 |
| DE622027C (de) | 1935-11-18 |