The 12th Five-Year Plan Outline has indicated that we should promote innovation on energy production and ways of utilizing energy and give priority to energy saving. Different oil fields vary from reserves, output to production life. In accordance with the traditional economic production forecasting methods, we can calculate the oilfield economic limit production by balancing the cost and oil price. If the economic factors are considered; however, the social benefits will descend because oil field output and utilization rate decrease on condition of economic limit production. If economic benefits, social benefits and resource benefits are considered integratedly, we can calculate the oilfield economic limit production and maximize the benefits.