DK70328C - Apparat til undersøgelse af undergrunden ved hjælp af et borehul. - Google Patents
Apparat til undersøgelse af undergrunden ved hjælp af et borehul.Info
- Publication number
- DK70328C DK70328C DK393547AA DK393547A DK70328C DK 70328 C DK70328 C DK 70328C DK 393547A A DK393547A A DK 393547AA DK 393547 A DK393547 A DK 393547A DK 70328 C DK70328 C DK 70328C
- Authority
- DK
- Denmark
- Prior art keywords
- subsoil
- borehole
- surveying
- Prior art date
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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR939401T | 1946-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK70328C true DK70328C (da) | 1949-12-12 |
Family
ID=9458535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK393547AA DK70328C (da) | 1946-10-29 | 1947-10-23 | Apparat til undersøgelse af undergrunden ved hjælp af et borehul. |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE843235C (de) |
| DK (1) | DK70328C (de) |
| FR (1) | FR939401A (de) |
| GB (1) | GB636075A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1181339B (de) * | 1951-11-20 | 1964-11-12 | Schlumberger Well Surv Corp | Vorrichtung zur Ermittlung des elektrischen Widerstandes von Erdformationen, die ein Bohrloch umgeben |
| AU2002304768B2 (en) * | 2001-03-20 | 2006-11-23 | Shell Internationale Research Maatschappij B.V. | Detecting a boundary in a formation |
| FR2853087A1 (fr) * | 2003-03-27 | 2004-10-01 | Jerome Bourg | Systeme permettant la localisation precise des formations permeables et poreuses |
| DE102004035001A1 (de) * | 2004-07-20 | 2006-03-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zur spanenden Materialbearbeitung, insbesondere für medizinische Anwendungen |
-
1946
- 1946-10-29 FR FR939401D patent/FR939401A/fr not_active Expired
-
1947
- 1947-10-23 DK DK393547AA patent/DK70328C/da active
- 1947-10-29 GB GB28887/47A patent/GB636075A/en not_active Expired
-
1950
- 1950-07-22 DE DES17842A patent/DE843235C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB636075A (en) | 1950-04-19 |
| FR939401A (fr) | 1948-11-15 |
| DE843235C (de) | 1952-07-07 |
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