Page 221 - Machine Learning for Subsurface Characterization
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Deep neural network architectures Chapter 7 191
FIG. 7.1 Well logs acquired in the shale petroleum system, where GR is gamma ray, ATRT is 2-feet
induction resistivity, AO30 is 1-feet induction resistivity, RXOZ is shallow induction resistivity,
RHOZ is electronic density, TNPH is neutron porosity, HDRA is density standoff correction,
DTCO is compressional sonic travel time, and PEFZ is photoelectric factor. Track 1 contains the
(See figure legend on next page)