四维地震资料处理中的互均衡技术及应用  

CROSS-EQUILIBRATION TECHNIQUE AND APPLICATION IN 4D SEISMIC DATA PROCESSING

作　　者：苏云[1] 余世新[2] 黄倩[2] 

机构地区：[1]成都理工大学信息工程学院,四川成都610059 [2]江汉油田物探研究院,湖北潜江433100

出　　处：《新疆地质》2009年第2期191-194,共4页Xinjiang Geology

摘　　要：近年来四维地震勘探技术迅速发展,由于各种因素,造成两次重复观测结果存在非一致性,主要表现在时间信号延迟、信号能量差异、信号带宽差异及相位差异4个方面.为有效利用四维地震勘探,需保护由流体及油藏引起的地震响应差异,消除非油藏引起的地震响应差异,应对监测数据进行互均衡校正.本文介绍了互均衡校正技术的理论基础,运用互均衡技术对某地四维地震资料进行了校正处理,较好地消除了非期望差异,验证了该方法的正确性和有效性.4D seismic exploration technology has been developed rapidly in recent years. However, two measurement data observed repeatedly are of non-uniformity because of various factors. These differences exist mainly in four areas： Signal time-delay, energy difference of signal, bandwidth difference of signal, phase difference of signal. In order to effectively protect the differences resulted from fluid and oil-gas reservoir and remove the differences resulted from others factors, we need calibrate the monitor data. This article describes the theory of cross-equilibration technique, and applies it in the 4D seismic data .The result shows that the non-anticipate differences had been removed well, which further confirms the correctness and effectiveness of this technique.

关 键 词：四维地震 互均衡 期望差异 非期望差异 

分 类 号：P631.44[天文地球—地质矿产勘探]