Table 4: Percentage of difference between in depth velocity distributions obtained from numerical and analytical models and experimental results for long reservoir.

–	t=2s		t=4s
	3D numerical model	Ritter’s solution	3D numerical model	Ritter’s solution
Gauge	Average Difference (%)	Average Difference (%)	Average Difference (%)	Average Difference (%)
G2	8	30	6	4
G6	5	31	7	23