Acceleration of Gas Reservoir Simulation Using Proper Orthogonal Decomposition

Table 5

Computational time for real gas after improvement.

	Total CPU time	CPU time for EOS	CPU time for flow equations	Time contribution of EOS	Time contribution of flow equation
FDM	6240 s	5747 s	493 s	92%	8%
POD	23 s	0.02 s	22.98 s	0.09%	99.91%