Page 178 - The Geological Interpretation of Well Logs

- THE GEOLOGICAL INTERPRETATION OF WELL LOGS -

GR CPI Geologic Lithology
column description

OTZ MUDS TONE

QTZ WACKE < 20PU

QT2Z AMENTE GAS < 20 PU
QTZ WACKE GAS < 20PU
QTZ ARENITE GAS < 20PU

WS] O1Z WACKE GAS < 20PU

QT2 WACKE « SPU

QTZ WACKE GAS < 20PU

Figure 11.26 Lithology derived from computer analysis. CPI
{computer-processed interpretation) provides mineral, porosity
and fluid volumes. The geologic columa is more related to
*geological’ lithology (modified from Darling et ai., 1991).

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