One of the most important methods for well cementing evaluation is acoustic logging. Wave field formed<br>during measurements contains the comprehensive information regarding casing, formation and cement bond.<br>However, the interpretation of acoustic logging data is often ambiguous. Modeling of wave fields on the<br>basis of computer programs can increase the efficiency of well cementing evaluation methods.<br>We present a procedure and the results of acoustic and elastic field modeling based on the computer<br>program developed for the solution of two-dimensional wave equation in the heterogeneous medium<br>(borehole fluid, casing, cement, and formation) by finite difference method. The comparison of model results<br>and acoustic logging data for the different cements and probing signals leads us to the conclusion that the<br>proposed method could be an effective tool for the increase of the effectiveness of acoustic logging data<br>interpretation.


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