木质素的衍生物可作为泥浆处理剂、堵水剂、调剖剂、增粘剂、表面活性剂驱油的牺牲剂。
Lignin derivatives can be used as additives to drilling mud, plugging agents, mobility control agents and sacrificial agents in surfactant flooding.
表面活性剂段塞注入时机越早，水驱效果越好；
The earlier the surfactant slug injects the better flooding effectiveness.
表面活性剂能够提高此类储层的微观水驱油效率10%左右。
Surfactants can improve the water displacing oil efficiency by about 10%.
在模拟大庆油田地层条件下，进行了水驱以及碱-表面活性剂-聚合物(asp)三元复合体系驱油效率的实验研究。
An experimental study was conducted about recovery efficiency on Brine flooding and Alkaline, Surfactant, Polyacrylamide flooding (ASP) in modeling Daqing Oil Field stratum.
利用国产露头砂岩岩心，研究了亲水条件下，无机盐对岩心采用表面活性剂溶液进行自发渗吸驱油的规律和采收率的影响。
The effect of inorganic salt on spontaneous imbibition and recovery factor of surfactant flooding has been studied under water-wet condition with outcrop sandstone cores.
岩心驱油降压模拟实验表明，表面活性剂体系驱替0.5倍孔隙体积(PV)，后续水驱替压力下降48%左右。
Core simulation experiments showed that the pressure of water drive could decrease by 48% after surfactant drive (0.5 PV).
岩心驱油降压模拟实验表明，表面活性剂体系驱替0.5倍孔隙体积(PV)，后续水驱替压力下降48%左右。
Core simulation experiments showed that the pressure of water drive could decrease by 48% after surfactant drive (0.5 PV).
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