S-wave anisotropy from two dipole sonic data processing methods, confronted with fracture permeability, logs and cores | Science and Technology for Energy Transition (STET)

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Fig. 16

Dipole Array Sonic tool in the borehole. Two birefringence detection processing routes: A) Alford type, 4x Rn response signal detection between source and mid array positions (~3 m). B) Azimuthal slowness measurement scan over the Rn array interval only (~1 m), independently for the azimuths of linearly polarized VS-fast and VS-slow principal shear modes.

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