根据替驱提高采收率措施的实践，氮气将成为气体驱替的主要气源。
According the practice of EOR measures, nitrogen gas will become the main gas origin of displacement.
CO 2驱既可实现提高原油采收率又可实现CO2气体的埋存，是一项非常有前景的三次采油技术。
Carbon dioxide gas flooding is a promising tertiary oil recovery technology, not only on enhanced oil recovery, but also on CO2 sequestration.
气体、表面活性剂与聚合物三种物质完全分开交替分段塞注入时压力升幅最小，耗时最长，采收率最小。
The medium pressure and EOR result from the alternate injection of gas and liquid. The consuming time of simultaneous injection is the shorter than that of alternate of gas and the liquid.
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