The quasi-acoustic logs can not only reflect the variation of interval velocity and impedance, but can resolve some problems like identifying lithologic character, differentiating thin layers, etc.

• 针对歧口凹陷南大港地区地层实测声波时差曲线对砂、泥岩的岩性反映不明显，无法进行储层反演预测的问题，采用了拟声波构建技术。