FIELD: mining.
SUBSTANCE: device includes magnetic field sensors, orientation and magnetic susceptibility sensors, control unit and information processing system. At that, when using additional sensors and measuring units, it is possible to measure natural radioactivity, temperature, induced medium polarisation at eight electric field decrease time intervals and apparent resistance per lowering-hoisting operation using single-core cable and information transfer immediately to log recorder, which sufficiently cheapens the hole logging and shortens the time required for logging works.
EFFECT: improving efficiency of logging works.
3 dwg
| Title | Year | Author | Number |
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