An experimental study was conducted about recovery efficiency on Brine flooding and Alkaline, Surfactant, Polyacrylamide flooding (ASP) in modeling Daqing Oil Fieldstratum.
"The mineral stratum is articulated by a continuous roof which cantilevers over the entry plaza and folds down over the interior soccer field," they added.
“矿物岩层由连续屋顶连接，大跨度屋顶铰接悬臂结构从入口广场延伸到室外足球场直至地面。”他们补充道。
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The results indicated that the field in the stratum is composed of a series of cylinder wave which has the attenuation different from the country rock.