【摘要】 金坛盐岩储气库的泥岩夹层对盐岩建腔构成了一定风险,因此如何识别泥岩夹层就成了关键问题。该区泥岩分布复杂,且受盐岩塑性影响,仅依据地震资料不能准确识别。笔者通过分析研究区的地震响应特征和测井响应特征,认为伽马测井曲线可以很好地区分泥岩夹层和盐岩层,因此将伽马曲线与地震信息建立联系,进行多参数岩性反演,并在此基础上对泥岩夹层在平面和空间上的展布特征进行预测。通过实际资料的应用表明,多参数岩性反演可以较为准确地反应出泥岩夹层的变化特征。更多还原

【Abstract】 Mudstone interlayer of Jintan rock salt gas storage constitutes a risk in cavity construction.How to identify the mudstone interlayer thus becomes a key problem in exploration.The mudstone interlayer distribution in this region is complex and the quality of seismic data is poor because of the influence of plasticity.As a result,it was hard to identify the mudstone interlayer accurately if only seismic data are used.Therefore,the features of seismic response and logging response of mudstone interlayer were analyzed,also the authors made a connection between gamma curves and seismic information,and carried out multi-parameters inversion.On such a basis,planar and special distribution features of mudstone interlayer were predicted.The application of practical data shows that multi-parameter lithologic seismic inversion can effectively reflect the features of mudstone interlayer variation.更多还原