Physical Simulation of Colayer Water Flooding in Low Permeability Carbonate Reservoir in Middle East

Table 1

Physical parameters of core samples.

Sample number	Length (cm)	Diameter (cm)	Permeability (10^−3 μm^2)	Porosity (%)	Irreducible water saturation (%)	Injection-production patterns
(I)	6.263	3.786	6.061	23.05	42.99	Co-in
(II)	6.239	3.797	7.659	24.48	25.89	Si-in
(III)	6.364	3.787	15.491	20.53	27.87	Co-in
(IV)	6.502	3.551	19.447	14.52	26.99	Si-in

Note. Co-in represents 2-layer coinjection separate production; Si-in represents single layer injection and production.