【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.更多还原

【Abstract】 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.更多还原