Numerical Simulation of Time-Varying Characteristics in a High-Permeability Sandstone Reservoir: A Case of Gaoqian Southern Area

Table 9

Comparison of actual and simulated permeability of typical wells.

Times		8 years		18 years
Well number		G215-6	G217-6	GX110-7	GX208-4
Ng12a	Actual permeability	319	419	15	0.1
	Simulated permeability	400	323	18	0.1
Ng12b	Actual permeability	217	775	263	178
	Simulated permeability	379	429	320	190
Ng13-1a	Actual permeability	457	190	161	0.1
	Simulated permeability	374	156	267	0.1
Ng13-1b	Actual permeability	125	40	198	0.1
	Simulated permeability	179	26	240	0.1
Ng13-2a	Actual permeability	185	641	244	0.1
	Simulated permeability	172	473	361	0.1
Ng13-2b	Actual permeability	1100	73	25	320
	Simulated permeability	840	64	29	350
Ng13-2c	Actual permeability	931	51	142	270
	Simulated permeability	720	50	180	115
Ng13-3a	Actual permeability	157	327	130	228
	Simulated permeability	114	279	173	256
Ng13-3b	Actual permeability	293	108	25	230
	Simulated permeability	236	100	30	120
Average relative error (%)		23	18	29	26.2