Table 6: The results of calibration of storage tank with deflection of actual storage tank with correction by BP neural network.

Site 1Site 2Site 3Site 4
OH/cmTOR/LOH/cmTOR/LOH/cmTOR/LOH/cmTOR/L

0 264.718013394.6716035163.23 24055909.19
10 705.239015892.60 17037978.8525058008.41
20 1703.4510018487.9418040764.0026059932.14
30 3105.1511021163.0119043501.0027061654.34
40 4783.19 12023900.97 20046176.5628063142.53
50 6682.45 13026685.6221048772.3229064351.76
60 8767.9914029501.2122051271.70 30065207.10
70 11012.9915032332.2123053656.90

Where OH is oil height and TOR is theoretical oil reserve.