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针对二区以往笼统注聚方式下,层间矛盾突出、层间干扰影响聚驱开发效果的现状,孤东采油厂研发应用同心双管分层注聚工艺,有效地改善了注聚剖面,使得次要层得到发挥,进一步提高了注聚效益。
Aiming at the current situation that the general contradiction between layers and the inter-layer interference affect the development effect of poly flooding under the general injection-gathering mode in the Second District, the application of concentric double-tube stratified injection polymerization technology in Gudong Oil Production Plant has effectively improved the injection polygon profile, The secondary layer has been played to further improve the profitability of injection.