The sonic log parameters from an exploratory well in a reservoir are as follows

Q. The sonic log parameters from an exploratory well in a reservoir are as follows: Measured P-wave transit time (โˆ†๐‘ก๐‘™๐‘œ๐‘”) = 85 ยตs/ft

True resistivity (Rt) = 10 ohm-m Matrix transit time (โˆ†๐‘ก๐‘š๐‘Ž) = 45 ยตs/ft Fluid transit time (โˆ†๐‘ก๐‘“๐‘™) = 205 ยตs/ft

Formation water resistivity at reservoir temperature (Rw) = 0.1 ohm-m

The hydrocarbon saturation (in percentage) in the reservoir is__________(round off to 1 decimal place).

Ans: 59-61

Using the given eq

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