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文留油田为复杂断块油田，已进入高含水期开发阶段，通过不断加深油藏微构造、沉积微相研究和剩余油分布规律研究，寻找剩余油富集区，并在经济评价的基础上设计调整井，打出了一批高效调整井，减缓了油田产量递减，改善了油田开发效果。
Wenliu Oilfield is a complex fault block oilfield and has entered the stage of development with high water cut. By continuously deepening reservoir micro-structure, study of sedimentary microfacies and distribution of remaining oil, the remaining oil-rich area is looked for and based on economic evaluation We have designed and adjusted well and have made a batch of highly efficient adjustment wells, which have slowed the production decline and improved the oilfield development effect.