It is an important work to check the sealing condition of the packer in oilfield water-flooding development.

井下封隔器的密封状况检查在油田注水开发过程中是一项非常重要的工作。

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A method on evaluation time that water cut fall or rise is given out through analyzing the polymer flooding of single well in Lamadian oilfield.

通过对喇嘛甸油田聚合物驱单井效果分析，给出了采油井阶段效果评价方法，即单井见效时间和含水回升时间早晚的确定方法。

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Abnormal high pressure systems have formed in Anan Block of Erlian oilfield due to long time of water flooding, kicks, lost circulation and hole collapse are frequently encountered.

二连油田阿南区块，由于长期注水，油气层出现明显的异常高压，地层原始压力遭到破坏，造成了井涌、井塌、井漏等复杂事故。

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