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Advanced Petrophysics by Dr. Ekwere J. Peters

By Dr. Ekwere J. Peters

Quantity three of complicated Petrophysics provides the ideas to the a hundred and fifty end-of-chapter routines and initiatives in Volumes 1 and a couple of.

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Extra resources for Advanced Petrophysics

Example text

10 Archie’s equation: The given data are used to determine the best values for a and m. 1 shows the log-log plot of F versus f. 5131. 1. 4). 5 and n = 2. 602. 551. 5% less than Archie’s equation in this case.

5131. 1. 4). 5 and n = 2. 602. 551. 5% less than Archie’s equation in this case.

What has been calculated is the total porosity because the pore volume determined by subtracting the mineral grain volume from the bulk volume is the total pore volume, which includes the isolated pores if present. 7a where A is the cross-sectional area of the core. 7b Method 1 Apply the integrated form of Darcy’s Law to the core before it was cut. Apply Darcy’s Law to each piece after the core has been cut into N equal pieces. 7b Method 2 The total permeability of the core is the harmonic average of the permeabilities of the pieces in series.

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