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随着油田开发进入中后期,产出水的管理起着更重要的作用。进行生产测井以识别生产中的含水层段和注入井中的漏失层情况就变得很有必要。使用带外部密封的膨胀裸眼衬里(OHC)系统封堵水平生产井和注入井中的水。膨胀管和地层之间的密封是由弹性体与地层流体接触的膨胀能力得到提高的。
As oilfield development enters the middle and late stages, the management of output water plays a more important role. It has become necessary to conduct production logs to identify aquifers in production and runoff in injection wells. Use an expanded naked eye liner (OHC) system with an external seal to shut off both the horizontal production well and the water in the injection well. The seal between the expansion pipe and the formation is enhanced by the ability of the elastomer to contact the formation fluid.