Simulation of Monopole and Multipole Seismoelectric Logging

Table 1

Medium properties used at input for numerical calculations.

Property	Fast; formation	Slow; formation	Borehole; fluid
Porosity 𝜙	0.2	0.2	—
Permeability 𝜅0, μm^2	1.0	1.0	—
Tortuosity 𝛼∞	3.0	3.0	—
Bulk modulus solid 𝐾𝑠, Pa	35.70×10^9	33.40×10^9	—
Bulk modulus fluid 𝐾𝑓, Pa	2.25×10^9	2.25×10^9	2.25×10^9
Frame bulk modulus 𝐾𝑏, Pa	14.39×10^9	2.61×10^9	—
Frame shear modulus 𝐺𝑏, Pa	13.99×10^9	2.83×10^9	—
Density solid 𝜌𝑠, Kg/m^3	2650	2650	—
Density fluid 𝜌𝑓, Kg/m^3	1000	1000	1000
Fluid viscosity 𝜂, Pa.s	0.001	0.001	0.001
Salinity 𝐶0, mol/L	0.01	0.01	0.01
Permittivity of fluid 𝜀𝑓	80𝜀0	80𝜀0	80𝜀0
Permittivity of solid 𝜺𝐬	4𝜀0	4𝜀0	—