With the increase of injection gas composition's enriching degree, the development indicators become better and the oil recovery enhanced.
④随着注入气组成富化度的增加，各项开发指标随之变好，原油采出程度随之增加。
The feasibility of enhanced oil recovery (EOR) of Ren 11 fractured bottom water reservoir by gas injection was studied.
对任11裂缝性底水油藏注气提高采收率的可行性进行了研究，评价了注气地质特征和水驱开采特征。
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