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低频信息的构造是波阻抗反演中极为重要的技术环节 ,低频信息构造的准确与否 ,直接影响波阻抗反演结果的准确性。低频分量的构建要作好井资料本身的标准化、环境校正和深时转换等 ,还要以地质理论为指导 ,顺解释层位横向递推 ,特别要作好遇见断层、岩性突变等情况下的处理。针对不同的地质情况应当采用不同的构建方法。本文根据实践经验和生产中遇见的具体问题 ,提出了一套低频分量的构建方法与技巧。
The construction of low-frequency information is an extremely important technological link in the inversion of wave impedance. Whether the low-frequency information is constructed correctly or not directly affects the accuracy of wave impedance inversion results. The construction of low-frequency components should make well data standardization, environmental correction and deep conversion, but also with geological theory as a guide, along the interpretation of the horizon horizontal recursion, in particular, to meet the case of fault, lithological mutation deal with. Different construction methods should be adopted according to different geological conditions. Based on the practical experience and the specific problems encountered in production, this paper presents a set of methods and techniques for constructing low-frequency components.