A new algorithm is suggested for joint calculation of three key parameters of reservoir rocks: permeability, electroacoustic constant, and velocity of second bulk compressional wave (slow wave). The algorithm is advantageous in the use of Stoneley waves which are most stable in acoustoelectric log waveform data.

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The dependence of the Stoneley attenuation length on the concentration and composition of salt in pore fluid observed in experiments may be associated with osmosis. The salinity dependence is relevant to methods in which the permeability of porous formations is estimated from its relationship with the Stoneley attenuation length.