Finally a the oretical economic limit was proposed,correlated with the equipment capacity,the variation of the liquid production of the system,the mean oil price and the equi pment investment.

• 最后，将热采系统设备的设计处理量与平均原油价格、产量变化规律和设备投资关联起来，给出了经济处理量的理论界限及其计算方法。