赛汉塔拉和文留地区的横波资料解释

横波地震勘探在我国还处于初期阶段。在东濮凹陷文留地区和内蒙赛汉塔拉地区开展的横波地震勘探工作，取得了一些有意义的结果。1. 获得了v_s、v_p/v_s、σ和岩性及油气变化的关系曲线，这些曲线可以作为岩性解释和烃类检测的依据。2. 纵波主频约为横波主频的2～2.5倍，而且横波的频带比较窄，这和以往的结论是不一致的。 3.把纵横波剖面分别和井孔中地层连接时，横波剖面更为可靠。横波剖面对于识别小断层、小幅度构造和追踪薄砂层也更有效果。

The interpretation of shear wave data from Saihantala and Wenliu areas

Shear wave seismic exploration in China is only at its initial stage,Significant achievements have been scored in the shear-wave explorations in Saihantala area,Neimenggu and in Wenliu area,Dongpu depression.1.Curves,namely,v_s v_p/v_s or δ versus sand content,have been plotted.These curves can be used as the basis for lithology interpreration and hydrocarbon detection.2.The conclusion was drawn that th dominant frequency of P-wave is 2-2. 5 times as large as that of S wave and the frequency band of S wave is less wide.This conclusion is different from the former one.3.When P-wave section and S-wave section are correlated with well formations respectively,we can find S-wave section has better correlation with well formations. S-wave section favours the discovering of minor faults and small structures,and the tracing of thin sand bed.