Calculate Density Log Porosity - Shale Corrected - Dewan (1983)

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Density Log Porosity- Shale Corrected - Dewan (1983)

As for the neutron log case, Dewan (1983) proposed a correction for the porosity derived from the density log, taking into consideration the shale volume value and the density value of a nearby shale at the interest depth. The equation is the following:

Where:
• ɸD= density log porosity
• ɸDe= density log porosity- shale corrected
• ɸDsh= density log porosity in a nearby shale
• Vshale= shale volume

Calculate Density Log Porosity (ɸde) - Shale Corrected- Dewan (1983)
ɸd: Decimal		Vsh: Decimal
ɸdsh: Decimal

Made by Henry Herrera