Calculate Porosity - Sonic Log (Wyllie et al., 1958)

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List of equations assignment

Porosity - Sonic Log (Wyllie et al., 1958)

The calculation of sonic derived porosity, can be done from the time average Wyllie (Wyllie et al., 1958) equation, which is expressed the following way:

Where:
• ɸS= sonic porosity
• Δtma= matrix interval transit time
• Δtlog= interval transit time of the formation (from the sonic log)
• Δtfl= fluid interval transit time

Calculate Sonic Derived Porosity
Δtlog: µs/ft		Δtma: µs/ft
Δtfl: µs/ft

Made by Henry Herrera