泥砂岩薄互层时移测井曲线预测方法  

Prediction method of time-lapse log curve of thin shale-sand inter-bed reservoirs

作　　者：李景叶[1,2] 王守东[1,2] 陈小宏[1,2] 

机构地区：[1]中国石油大学(北京)油气资源与探测国家重点实验室,北京102249 [2]中国石油大学(北京)CNPC物探重点实验室,北京102249

出　　处：《西安石油大学学报（自然科学版）》2013年第1期47-51,4,共5页Journal of Xi’an Shiyou University（Natural Science Edition）

基　　金：国家自然科学基金项目(编号:41074098)资助

摘　　要：为满足泥砂岩薄互层储层时移地震研究需求,实现油藏开发后测井曲线预测,在岩石物理模型理论分析、实际岩心观察和测井数据分辨率分析基础上,提出在薄互层储层测井曲线预测时将砂岩薄层与泥岩薄层分开,并将油藏参数变化限定于砂岩薄层的方案,从而使计算过程符合实际油藏条件.建立了时移测井曲线预测工作流程,并利用实际薄互层油藏开发前测井曲线和开发前后温度、压力和饱和度变化参数,实现了油藏开发后测井曲线预测.实际油藏开发后测井曲线预测结果与油藏参数变化有很好一致性,变化范围合理.In order to meet the needs of time-lapse seismic research of thin shale-sand inter-bed reservoirs,it is proposed that,in the prediction of logging curve of thin shale-sand inter-bed reservoirs after reservoir development,thin sand layers and shale layers should be studied separately,and it is assumed that the parameters of the reservoirs should change only in the sand layers,which accords with real conditions of the reservoirs.The work flow for the prediction of time-lapse log curve is established.The logging curves of a developed thin shale-sand inter-bed reservoir are predicted by using the log data before reservoir development and the variation of temperature,effective pressure and water saturation before and after reservoir development as inputs.The predicted log curves accord with the variation of the reservoir parameters,and the variation of the reservoir parameters is in reasonable ranges.

关 键 词：泥砂岩薄互层 时移测井曲线预测 有效压力 含油饱和度 

分 类 号：TE122[石油与天然气工程—油气勘探] P631.84[天文地球—地质矿产勘探]