本論文研究水沖排方法實驗室工作包括：(1)設計及組裝實驗室岩心水沖排設備；(2)量測岩心孔隙率、滲透率、原始含水飽和度及殘留含油飽和度。並以國道322.5 K 油料污染場址為例，採集未擾動土壤樣本進行實驗室試驗。研究主要工作包括：現地污染場址土壤樣本採集、水沖排試驗裝置設計、孔隙率及滲透率試驗、油水沖排試驗、試驗結果分析等。試驗結果孔隙率為0.381至0.435；滲透率試驗結果可分為滲透率高與滲透率低的兩組：滲透率高的組介於0.01098公分/秒 至0.00977 公分/秒，其中原始含水飽和度為16.0%至18.5%，殘餘含油飽和度為13.8%；滲透率低的組介於0.00121 公分/秒 至0.00111 公分/秒，其中原始含水飽和度為30.7%至23.2%，殘餘含油飽和度為6.0%。

　　This thesis investigated a waterflooding process. The laboratory tasks consist of: (1) designing and assembling core waterflooding equipment, and (2) measuring porosity, permeability, connate water saturation, and residual oil saturation for soil samples. Undisturbed soil samples taken from national highway 322.5K were used in laboratory experiments. Experimental results showed the porosity of the soil samples ranging from 0.381 to 0.453. Permeability of the soil samples could be grouped into two classes, i.e., high permeability ranging from 0.01098 cm/sec to 0.00977 cm/sec and low permeability ranginging from0.00121 cm/sec to 0.00111 cm/sec. The connate water saturation ranged from 16.0 % to 18.5 % and from 30.7 % to 23.2 % for the high and low permeability group, respectively. The residual oil saturation was 13.8 % and 6.0 % for the high and low permeability group, respectively.

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