The investment benefits of Shengli oilfield from 1986 to 1998 are evaluated by using data envelopment analysis (DEA) method.An evaluation model of DEA is developed.The evaluation indexes are given.

• 运用数据包络分析方法(DEA)对胜利油田1986-1998年的投资效益进行了科学评价，建立了评价胜利油田经济效益的DEA计算模型，给出了评价指标。