CPC G01V 11/005 (2013.01) [E21B 47/08 (2013.01); G01V 3/28 (2013.01); G01V 5/04 (2013.01)] | 20 Claims |
1. A reduced length modular drill hole logging tool for use in the geological identification of requirements of a drill hole comprising:
a tool head;
a diameter and profile measurement system connected to the tool head, with a plurality of radially extendible and retractable caliper arms positioned about the system;
a gamma radiation detection system at least partially nested under the caliper arms, when retracted, of the diameter and profile measurement system;
one or more additional removable modules of geological data collecting sensors supported in a case configured to be received in the drill hole; and
a control module that communicates with the one or more modules and collects the geological data from the sensors, wherein said control module is housed within said tool head.
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