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本文以理论资料为例证,指出水平迭加剖面对地层产状有根本性的歪曲。其甚者,可使地层倾角由上倾变成下倾或由下倾变成上倾,使地层产状由凸变凹或由凹变凸。这种歪曲,是上复地层产状和速度横向变化对下面地层产状的影响。一般来说,水平迭加剖面上地层的产状有“向上看齐”的趋势。对二维地层模型,本文提出了一个求解地层参数即恢复地层产状的方法。
This paper takes the theoretical data as an example, and points out that the horizontal superimposed profile has a fundamental distortion of the formation. Moreover, the dip angle of the strata may be changed from up dip to down dip or from dip to dip, so that the formation of the formation is convex or concave convex. This distortion is the effect of the lateral formation of the upper strata and the lateral variation of velocity on the underlying formation. In general, the formation of superimposed horizontal profile has the tendency of “upward alignment”. For two-dimensional model, this paper presents a method to solve the formation parameters to restore the formation of formation.