论文部分内容阅读
临盘油田复杂小断块油藏已进入中后期开发阶段 ,调剖效果逐年变差。为此 ,在L10 6— 1断块中渗非均质油藏开展了交联聚合物深部改流矿场试验研究。介绍交联聚合物的作用机理、性能特点 ,并结合油藏实际情况 ,优化施工参数。通过在L10 6-1断块的L10 6-4井应用 ,水井油压上升了 2MPa ,PI值上升了 2 .6MPa ,吸水剖面得到了改善 ,对应油井累计增油 1678t,效果显著。
The complex small fault block reservoir in Lingpan Oilfield has entered the middle and late stage of development, and the profile control effect has become worse year by year. Therefore, the cross-linked polymer deep re-flow field test was carried out in the impermeable reservoir of L10 6- 1 block. Introduce the mechanism of the cross - linked polymer, performance characteristics, combined with the actual reservoir situation, optimize the construction parameters. Through the application of L10 6-4 in Block L10 6-1, the well hydraulic pressure increased by 2 MPa and the PI value increased by 2.6 MPa, the water absorption profile was improved, and the corresponding increase of oil well by 1678 t was achieved.