Analysis and Calculation of Threshold Pressure Gradient Based on Capillary Bundle

Table 5

Variation of velocity with distance from well center at different injection flow rate.

r (m)	Q/h (m^3/d/m)
	0.3	1	2	3	4.5	7.3
0.1	0.478	1.592	3.185	4.777	7.166	11.624
0.5	0.096	0.318	0.637	0.955	1.433	2.325
1	0.048	0.159	0.318	0.478	0.717	1.162
2	0.024	0.080	0.159	0.239	0.358	0.581
5	0.010	0.032	0.064	0.096	0.143	0.232
10	0.005	0.016	0.032	0.048	0.072	0.116
50	0.001	0.003	0.006	0.010	0.014	0.023
100	0.000	0.002	0.003	0.005	0.007	0.012
150	0.000	0.001	0.002	0.003	0.005	0.008