研制出经济实惠的表面活性剂和驱油体系是关键。
To develop affordable surfactants and oil displacement systems is the key.
而注表面活性剂和聚合物的复配体系段塞后热水驱虽然提高采收率幅度较大，但吨油新增成本较高，经济上不合理。
The surfactant and polymer mixed system slug is well on recovery ratio but the additional cost of ton oil is higher, economic benefit is not satisfactory.
该模型可以用来预测三次采油中采用的二元混合表面活性剂在油藏中的色谱分离过程，因而可作为选择驱油体系的工具。
This model can also be used to predict the process of chromatographic fractionation of binary surfactant mixture used in tertiary oil recovery and to select oil-displacement system.
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