利用有限元素法计算了井孔附近存在垂直裂缝时井孔中的声波全波波列。数值计算结果表明 ,在接收的声波全波列波形中 ,即存在折射的纵波 ,又存在来自井孔附近垂直裂缝的反射纵波。数值计算结果与实验结果具有很好的一致性。结果表明 ,有限元素法是研究复杂地层充液井孔中声场的有效工具。 The finite element method was used to calculate the full wave train of sound waves in the well bore with vertical cracks near the well bore. The numerical results show that there are refracted longitudinal waves and the reflected longitudinal waves from vertical fractures near the wellbore in the received wave train. The numerical results are in good agreement with the experimental results. The results show that the finite element method is an effective tool to study the acoustic field in wellbore filled with complicated formations.