Badanie wpływu anizotropii i zailenia na prędkości rozchodzenia się fal podłużnych i poprzecznych oraz innych parametrów sprężystych skał klastycznych
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Study of the effects of anisotropy and shaliness on velocities of longitudinal and shear waves and other elastic parameters of clastic rocks
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Rock anisotropy has a significant effect on longitudinal and shear wave velocities, that are measured in acoustic logging. This can affect both a single layer (then it is related to the microstucture) and a sequence of layers (a large scale). This paper discusses elastic components of anisotropic media with so-called transverse isotropy (TI) and Thomsen coefficients characterizing the P-wave and S-wave anisotropy and $V_{P}/V_{S}$ ratio. The effect of shale rock content on parameters measured in acoustic logging was also studied.