正韵律厚油层层内夹层对水平井挖潜效果的影响分析

Analysis of intrastratal interbed influence on the result of tapping the potential of the horizontal well in positive rhythm and thick oilbearing formations.

水平井技术在特高含水期正韵律厚油层剩余油挖潜中应用取得了较好的效果。在影响水平井开发效果的多种因素中 ,层内夹层的影响是比较重要的方面。该文论述了夹层控制下的剩余油分布特征 ,研究了夹层面积和剩余油富集厚度对水平井开发效果的影响 。

Horizontal well technology achieves good result in tapping the potential of remaining oil in positive rhythm and thick oilbearing formations at extrahigh watercut period. Among various factors of affecting development result of the horizontal well, the influence of intrastratal interbed is more important. Remaining oil distribution features under the control of interbed are discussed. The impact of interbed area and remaining oil enrichment thickness on development result of the horizontal well is studied. The achievements in study provide reference for tapping the potential of the remaining oil in the same type of reservoir.