注水管柱能否靠自重下放到井底是一个十分重要的技术问题。
It is a very important technical question whether water injection string can rely on string weight to go through the well hole or not.
分层注水管柱有效率低一直是困扰临盘油田开发生产的一大难题。
Low separate flooding string efficiency is one of the main problems in the exploitation of the Lin-pan Oilfield.
经实验室验证，复合接箍对回注水管柱螺纹防腐具有一定的可行性，可以延长回注水油管柱的整体使用寿命。
Lab experiments show that such tubing collar is feasible to some degree in preventing corrosion of the screw thread of water cycling pipe, thus extending the service life of water cycling pipe.
经实验室验证，复合接箍对回注水管柱螺纹防腐具有一定的可行性，可以延长回注水油管柱的整体使用寿命。
Lab experiments show that such tubing collar is feasible to some degree in preventing corrosion of the screw thread of water cycling pipe, thus extending the service life of water cycling pipe.
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