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中文摘要：
为了解决稠油易结蜡、卡泵及高能耗等导致的井筒举升难题，运用传热学基本理论，建立了油管电加热降黏举升工艺数学模型，计算出电加热井井筒温度场，给出了电加热井优化设计方法。以A井为例，对电加热系统的加热深度、电加热功率进行了优化，得到A井的最优加热深度为890m，最优加热功率为29．6kW，优化后电加热能耗降低了7．5％；采用不同功率分段加热降低井筒举升过程中的能耗，将A井的加热段均匀分为8段，每段长度为111．25m时，总加热功率为17．40kW，井筒举升能耗与恒功率电加热系统相比降低了41．22％，从而进一步实现稠油的节能开采。
英文摘要：
In order to solve the difficulties of easy-to-deposit of the wax, stuck pump, high-energy consumption and so on in the that the borehole lifting of heavy oil, the mathematical model of of the viscosity-reducing and lifting technologies by oil tube electric heating are established with the help of the general principles of heat transferring theory, and furthermore the borehole temperature fields are calculated for the electric heating well, finally the optimized design method for the well are presented. Taking Well A as example, the heated depths and heat powers are optimized for the electric heating system. The obtained most optimized depth is 890 m, the best heat power is 29.6 kW, the optimized heat-energy consumption is reduced 7.5 % ; the energy consumptions are reduced by divided different-power hearings in the course of borehole lifting： the heated interval of Well A is evenly divided into 8 sections, and the length of the each section is 111.25 m, the total heat power is 17.40 kW. Comparing with the electric heating system with constant power, the energy consumption of the lifting system is reduced 41.22%, so the energy-saving development of the heavy oil has been further come to ture.
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