IPC Subgroup
G01V 3/26 operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
Introduced: January 1980
Last revised: January 2006
Full Title
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation > specially adapted for well-logging > operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1 direct subcode
Child Classifications
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- G01V 3/28 using induction coils