Energy Demodulation Algorithm for Flow Velocity Measurement of Oil-Gas-Water Three-Phase Flow

Table 5

The comparison of experimental values and the actual values for oil-gas-water three-phase flow gas velocity and liquid velocity.

Condition	Experiment value	The gas velocity actual value	Measurement error	Experiment value	The oil velocity actual value	Measurement error
10o1g1w8	0.378	0.368	2.72%	0.336	0.368	8.69%
10o1g2w7	0.743	0.737	0.81%	0.375	0.368	1.90%
10o2g2w6	0.698	0.737	5.29%	0.755	0.737	2.44%
15o3g3w9	1.124	1.105	1.72%	1.072	1.105	2.98%
15o3g6w6	2.194	2.211	0.77%	1.181	1.105	6.88%
15o4g1w10	0.387	0.368	5.16%	1.355	1.474	8.07%
15o4g3w8	1.152	1.105	4.25%	1.589	1.474	7.80%
20o2g2w16	0.768	0.737	4.20%	0.755	0.737	2.44%
20o4g6w10	2.304	2.211	4.21%	1.589	1.474	7.80%
20o6g2w12	0.668	0.737	9.36%	2.304	2.210	4.25%
20o6g6w8	2.304	2.210	4.25%	2.194	2.211	0.77%
20o8g2w10	0.688	0.737	6.65%	2.880	2.948	2.31%
30o2g4w24	1.440	1.474	2.31%	0.781	0.737	5.97%
30o8g6w16	2.304	2.211	4.21%	2.711	2.947	8.01%
30o8g8w14	2.880	2.947	2.27%	3.072	2.947	4.24%
30o12g10w8	3.840	3.684	4.23%	4.608	4.421	4.23%