IPC Definitions - January 01, 2012
E21B 47/003 - Definition
This group covers:
Processes or apparatus for finding the volume of the borehole.
References relevant to classification in this group
This group does not cover:
Measuring depth of borehole or well | E21B 47/04 |
Measuring diameter of borehole or well | E21B 47/08 |
Attention is drawn to the following places, which may be of interest for search:
Measuring volumes in general | G01F |