A mathematical model and relevant index prediction for constant-temperature electric heating of dual-horizontal- well SAGD start-up
Xiaoxiong LIU,Youwei JIANG,Yongbin WU,Jialu WANG
Table 2 Parameters for calculation of conservation indexes of electric heating than steam heating.
Name of the parameter Value of the parameter Name of the parameter Value of the parameter
Transmission efficiency of steam 76.13% Transmission efficiency of electricity 99.56%
Latent heat of vaporization for steam 1.639 5×106 J/kg Electricity-heat conversion & transmission efficiency 95%
Heat value of fuel oil 41.86×106 J/kg Heat value of fuel gas under standard condition 39.82×106 J/m3
Thermal efficiency of the oil-burning furnace 87.89% Thermal efficiency of the gas-burning furnace 86.78%
Steam quality coefficient at the furnace outlet 0.8