Influence of Oil Viscosity on Alkaline Flooding for Enhanced Heavy Oil Recovery

Table 3

Summary of sandpack flooding tests for Xia-8 and Binnan heavy oil.

Run no.	Heavy oil	Viscosity (mPa⋅s)	Permeability (mD)	Initial oil saturation (%)	Recovery (%)
					Water flooding	Alkali flooding	Total
1	Xia-8	18235	1425	83.4	34.7	20.1	54.8
2	Xia-8	3950	1380	82.7	37.6	20.4	58.0
3	Xia-8	1083	1580	85.9	43.3	8.9	52.2
4	Binnan	15030	1380	82.9	37.8	16.1	53.9
5	Binnan	2500	1425	83.7	39	16.9	55.9
6	Binnan	472	1380	87.1	42.9	3.9	46.8