The Effect of Hydraulic-Natural Fracture Networks on the Waterflooding Development in a Multilayer Tight Reservoir: Case Study

Table 4

The comparison of production performance before and after the refracturing operations.

Well	Sand layer for reperforation and fracturing	Before treatments			After treatments
		Fluids production m^3/d	Oil production t/d	Water cut%	Fluids production m^3/d	Oil production t/d	Water cut%
w47	C6^1-2-3	1.32	0.39	65.9	3.11	0.95	63.7
wj5071	C6^1-2-4	0.52	0.39	12.5	3.89	2.7	17.4
w2073	C6^1-2-3	1.18	0.49	50.6	7.25	2.62	56.9
w8083		1.08	0.82	9.6	5.51	3.88	16.2
w9063	C6^1-2-1	0.97	0.52	36.2	6.25	2.35	55.2
wj9061	C6^1-2-3	1.35	0.97	14.3	3.48	2.49	14.8
w2074	C6^1-2-1	2.42	1.13	44	4.4	1.23	66.8
w3012	C6^1-2-1	4.68	0.16	95.9	4.82	1.23	72.9