考虑台站因素,计算波速比的置信度最低达到95%。
For the tight sandstone containing gas, only velocity ratio of P wave to s wave and Poisson ratio are sensitive to fluid variation.而对于致密含气砂岩,纵、横波速度比及泊松比对流体变化相对较为敏感。
The amplitude ratio anomaly and the velocity ratio anomaly in HBC area can be usually seen at anticlinal axis areas and small noses.在HBC地区的纵、横波振幅比异常和速度比异常多分布于构造的轴部和小鼻褶上。