A Synergy between Controlled Salinity Brine and Biosurfactant Flooding for Improved Oil Recovery: An Experimental Investigation Based on Zeta Potential and Interfacial Tension Measurements

Table 2

Basic properties of core plugs.

Core plug	L (cm)	D(cm)	(%)	k (mD)
Wettability samples
C04	7.61	3.72	30	131
C07	7.63	3.75	31	129
C08	7.60	3.78	27	127
C23	7.62	3.74	33	130
C24	7.63	3.79	30	127
C25	7.64	3.74	25	130
C28	7.64	3.79	25	127
Core flooding samples
C13	7.64	3.76	0.30	130
C16	7.61	3.79	0.31	127
C27	7.61	3.78	0.28	127
C30	7.66	3.72	0.26	132