裂缝性油藏聚合物微球调剖效果及流线场分析

Effectiveness Evaluation and Streamline Field Analysis of Polymer Microspheres Profile-controlling in Fractured Reservoirs

基于实际裂缝性油藏聚合物微球试验区调剖前后的动态数据分析,建立了试验区井组流线模型,综合评价了试验井组聚合物微球调剖效果,提出了调剖后注水井压力响应特征与油井见效特征。应用试验井组流线模型,从可视化流线场角度对比了试验区注入聚合物微球前后流线及波及系数的变化。最后,根据试验区注聚合物微球效果评价,提出了提高裂缝性油藏波及系数的措施。

Based on the dynamic data analysis of polymer microsphere test area in the fractured reservoirs both before and after profile-control,a streamline model in the test area was established and the effect of microsphere profile control in wellblock was evaluated.The pressure response characteristics of water-injected and response wells were proposed.The streamline model is used to contrast the swept effect of streamline and factor variation of the microsphere both before and after its injection.Based on the result of polymer injection evaluation,measures are proposed to improve the swept effect in the fractured reservoirs.