川中地区茅口组白云岩储层地震预测
章学刚，姚文礼，宋学锋
（荆州学院资源勘查工程学院，湖北 荆州 434023）
摘要： 川中地区白云岩主要为晶粒白云岩亚类，包括泥质粉晶白云岩、中-细晶白云岩、泥质细晶白云岩、细晶灰质
白云岩等小类，大多零星分布。通过对川中地区茅口组白云岩储层的储集空间特征和地球物理特征的表述，明确白云岩
储层的地震响应特征，即白云岩储层地震振幅增强，纯的白云岩储层比灰岩波阻抗值高，从而利用地震属性和地震反演
方法预测白云岩储层在平面上呈块状、条带状分布，与研究区内断裂和裂缝分布区域和走向一致。
关键词： 地震特征；地震属性；地震反演；储层预测
中图分类号： P631.4      文献标志码： A      文章编号： 2095-0802-(2023)01-0025-03
Earthquake Prediction of Dolomite Reservoir in Maokou Formation in Central Sichuan Region
ZHANG Xuegang, YAO Wenli, SONG Xuefeng
(School of Resource Exploration Engineering, Jingzhou University, Jingzhou 434023, Hubei, China)
Abstract: The dolomites in central Sichuan are mainly subvariety grain dolomites, including argillaceous silty dolomite, mediumfine
crystalline dolomite, argillaceous fine crystalline dolomite, fine crystalline gray dolomite and other sub-types, which are
distributed sporadically. By describing the reservoir space characteristics and geophysical characteristics of dolomite reservoir in
Maokou Formation in central Sichuan region, this paper clarified the seismic response characteristics of dolomite reservoir, namely
the dolomite reservoir seismic amplitude increases, and the pure dolomite reservoir is higher than limestone wave impedance
values, and predicted that the dolomite reservoir in the plane is massive and zonal distribution using the method of seismic
attribute and seismic inversion, which is consistent with the distribution area and trend of faults and fractures in the study area.

Key words: seismic characteristics; seismic attribute; seismic inversion; reservoir prediction