Page 234 - Well Logging and Formation Evaluation

224 Well Logging and Formation Evaluation

Plotting the in-situ corrected porosities vs the density yields:

1.0

0.8
Por = (2.66-Den)/(2.66 – 0.766)

0.6
Por (frct)

0.4

0.2

0
1.95 2.15 2.35 2.55 2.75 2.95
Den (g/cc)

Grain density = 2.66 g cc fixed by core data)
(
Fluid density in oil leg = 0.7663 g cc
f
Plotting F vs. yields an m value of 1.9

Derivation of m

1000

100
FRF FRF
Model (m=1.9)
10

1
0.01 0.1 1
Por