Abstract

Calcarenite is described as sand-size particles that are cemented together by carbonates, therefore it should be modeled as a poroelastic medium. Elastic and poroelastic models of calcarenite are compared. The poroelastic models include the baseline Biot model and the Biot-Stoll with contact squirt flow and viscous shear drag (BICSQS) model. Input parameters for the poroelastic models are developed. Reflection loss as a function of frequency and angle is computed. Model predictions of shallow water propagation loss over a calcarenite seabed are compared. Differences in propagation loss predictions are discussed.

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