The Optimal Development Strategy Selected for Layered Sandstone Reservoir by Creating a System Economic Model

Table 5

Water cut and cumulative oil production of block S.

Month number	Time (month)	Actual water cut (%)	Prediction water cut (%)	Relative error (%)	Actual cumulative oil production (10^4 t)	Actual cumulative water production (10^4 t)	Actual cumulative liquid production (10^4 t)	/	Prediction cumulative oil production (10^4 t)	Relative error (%)
68	201810	96.67	96.64	-0.033	202.94	2801.91	3004.85	14.81	202.79	-0.07
69	201811	96.76	96.70	-0.058	204.89	2860.30	3065.20	14.96	204.68	-0.10
70	201812	96.87	96.77	-0.105	206.97	2924.71	3131.69	15.13	206.52	-0.22
71	201901	97.01	96.83	-0.186	208.82	2984.83	3193.65	15.29	208.31	-0.25
72	201902	96.98	96.89	-0.095	210.58	3041.23	3251.80	15.44	210.04	-0.25
73	201903	96.98	96.95	-0.036	212.55	3104.59	3317.15	15.61	211.72	-0.39
74	201904	97.00	97.00	0.000	214.52	3168.21	3382.74	15.77	213.36	-0.54
75	201905	96.97	97.05	0.086	216.59	3234.30	3450.89	15.93	214.95	-0.76
76	201906	97.02	97.10	0.087	218.48	3295.95	3514.44	16.09	216.50	-0.91
77	201907	97.07	97.15	0.086	220.45	3360.89	3581.33	16.25	218.01	-1.11
78	201908		97.20						219.48
79	201909		97.25						220.91
80	201910		97.29						222.30
81	201911		97.34						223.67
…	……		……						……
116	202210		98.29						256.94
117	202211		98.31						257.61
118	202212		98.32						258.28
…	……		……						……
173	202707		98.92						284.11
174	202708		98.93						284.45
175	202709		98.93						284.78
176	202710		98.94						285.11