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Partial phase flow rate measurements for stratified oil-water flow in horizontal wells
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SONG Hongwei,GUO Haimin,GUO Shuai,SHI Hangyu
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Table 1 Comparison of results from experimental test and model calculation at the total flow rate of 100 m3/d.
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Experimental value | Value calculated by the model | Water cut/% | Test height/ mm | Turbine speed/ (r·s-1) | Fluid velocity/ (m·s-1) | Fluid velocity/ (m·s-1) | Relative error of fluid velocity/% | Total flow rate/ (m3·d-1) | Absolute error of the total flow rate/(m3·d-1) | Water cut/% | Relative error of water cut/% | 20 | 100 | 0.26 | 0.123 1 | 0.130 1 | 5.35 | 99.01 | 0.99 | 21.32 | 6.60 | 88 | 0.56 | 0.148 2 | 0.166 3 | 10.87 | 76 | 0.60 | 0.151 6 | 0.184 6 | 17.90 | 64 | 0.65 | 0.155 7 | 0.181 6 | 14.24 | 48 | 0.20 | 0.118 1 | 0.121 7 | 2.94 | 40 | 100 | 0.30 | 0.126 5 | 0.113 8 | 11.14 | 100.22 | 0.22 | 41.57 | 3.93 | 88 | 0.60 | 0.151 6 | 0.150 7 | 0.57 | 76 | 0.72 | 0.161 6 | 0.176 6 | 8.50 | 64 | 0.68 | 0.158 3 | 0.190 2 | 16.80 | 48 | 0.80 | 0.120 4 | 0.111 1 | 8.36 | 50 | 100 | 0.06 | 0.106 4 | 0.107 1 | 0.64 | 99.71 | 0.29 | 51.49 | 2.98 | 88 | 0.53 | 0.145 7 | 0.142 6 | 2.18 | 76 | 0.66 | 0.156 6 | 0.168 2 | 6.91 | 64 | 0.64 | 0.154 9 | 0.182 7 | 15.21 | 48 | 0.58 | 0.096 3 | 0.109 5 | 12.04 | 60 | 100 | 0.06 | 0.106 1 | 0.100 8 | 5.24 | 100.18 | 0.18 | 59.35 | 1.08 | 88 | 0.52 | 0.144 9 | 0.134 7 | 7.55 | 76 | 0.55 | 0.147 4 | 0.159 6 | 7.66 | 64 | 1.22 | 0.166 4 | 0.181 5 | 8.35 | 48 | 0.81 | 0.121 5 | 0.111 1 | 9.35 | 70 | 100 | 0.05 | 0.105 6 | 0.090 3 | 16.92 | 100.19 | 0.19 | 70.26 | 0.37 | 88 | 0.41 | 0.135 7 | 0.121 1 | 12.04 | 76 | 0.50 | 0.143 2 | 0.144 4 | 0.83 | 64 | 1.29 | 0.174 0 | 0.212 6 | 18.15 | 48 | 0.76 | 0.116 0 | 0.113 0 | 2.67 | 80 | 100 | | | 0.079 2 | | 100.59 | 0.59 | 79.47 | 0.66 | 88 | 0.02 | 0.103 1 | 0.106 8 | 3.49 | 76 | 0.89 | 0.130 2 | 0.140 8 | 7.50 | 64 | 1.62 | 0.210 1 | 0.236 6 | 11.19 | 48 | 0.78 | 0.118 2 | 0.111 9 | 5.63 | 90 | 100 | | | 0.062 2 | | 100.17 | 0.17 | 90.26 | 0.29 | 88 | 0.52 | 0.089 8 | 0.084 4 | 6.34 | 76 | 1.56 | 0.203 6 | 0.213 8 | 4.79 | 64 | 1.82 | 0.232 0 | 0.250 9 | 7.53 | 48 | 0.60 | 0.098 5 | 0.104 0 | 5.28 |
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