Published August 19, 1975
| Version v1
Patent
Open
Methods and apparatus for measuring the density of geologic formations
Creators
Description
The count rate of pulses detected with a gamma-ray density logging tool is corrected for the effects of the barite contained in the borehole mudcake by adjusting the threshold or minimum energy level
Availability note (English)
MF available from INIS under the Report Number.Files
8281492.pdf
Files
(757.3 kB)
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Additional details
Additional titles
- Augmented title (English)
- Patent
Publishing Information
- Imprint Pagination
- v p.
- Patent number
- US patent document 3,900,733
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 8281492
- Subject category
- S07: ISOTOPES AND RADIATION SOURCES;
- Descriptors DEI
- BARITE; CORRECTIONS; COUNTING RATES; DENSITY; GAMMA-GAMMA LOGGING; GEOLOGIC STRUCTURES; SPECIFICATIONS
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; BARIUM SULFATES; MINERALS; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RADIOACTIVITY LOGGING; SULFATES; SULFUR COMPOUNDS; WELL LOGGING