河南油田注聚区块转后续水驱前整体调剖技术的矿场应用

Field application of overall profile control technology before follow-up water flooding in polymer injection block

河南油田聚驱现场应用结果表明,注聚区块注入聚合物段塞结束转后续水驱前,如果不及时进行整体深度调剖,很快就会发生窜流和快速指进,造成含水率快速上升,产油量快速递减。双河油田V1-10层系注聚结束转后续水驱前,及时应用了整体调剖技术,改善了吸水剖面,有效地防止了后续注水快速指进,延缓了产量递减,为进一步挖掘聚合物驱油技术的增油潜能,改善驱油效果,降低成本,实现经济有效地开采水驱剩余油做出贡献。双河油田V1-10层系现场实践证明,整体调剖技术不仅是一种单纯的降低产聚浓度、减缓产量递减的被动措施,更是一种有效的挖潜手段。

Field application of Henan oilfield indicated that in polymer injection block before follow-up water flooding and after polymer slug injection , if there is no timely overall depth profile control , channeling and fast fingering will easily happen , resulting in rapidly increased water cut and declined oil production.In V1-10 series of Shuanghe oilfield , the overall profile control technology has been timely applied , which improves the injection profile , effectively prevents the fast further water flood fingering , slows down the production decline and further digs oil increase potential of polymer flooding technology , as well as improves the oil displacement effect , reduces costs and achieves economic production of water flooding remaining oil.Field application of V1-10 formation series in Shuanghe oilfield has proved that the overall profile control technology is not only a simple and passive measure to reduce production concentration and to slow down production decline , but also a kind of effective means of tapping.