Experimental Investigation of the Matching Relationship between Asphalt Particle and Reservoir Pore in Profile Control Process

Table 4

Experimental results.

Permeability; mD	Particle sizes (mm)	Concentration (mg/L)	Resistance coefficient			Residual resistance factor			Relative change of permeability %
			Average	Front	End	Average	Front	End	Average	Front	End
500	0.02	1000	6.39	7.56	5.05	2.5	2.5	2.16	57.54	60.34	53.82
	0.02	3000	19.27	22.16	15.94	6.96	6.96	8.7	87.13	85.64	88.5
	0.02	5000	25.05	26.64	23.23	10.78	10.78	8.71	89.81	90.72	88.81
1000	0.02–0.06	1000	4.75	7.63	4.37	3.39	3.81	2.91	70.52	73.77	65.64
	0.02–0.06	3000	17.57	19.94	14.13	6.08	6.65	6.52	83.56	84.2	82.75
	0.02–0.06	5000	29.06	34.19	24.65	8.11	10.13	5.8	87.67	90.13	82.75
2000	0.08–0.1	1000	8.87	9.50	8.15	5.07	7.12	2.72	80.27	85.96	63.21
	0.08–0.1	3000	12.67	14.24	10.87	6.33	7.12	5.43	84.21	85.96	81.6
	0.08–0.1	5000	24.07	30.85	16.30	8.87	11.87	5.43	88.72	91.57	81.6