某油田开发建设项目后评估经济评价

根据某油田开发后的实际情况，对其重新进行经济评价，说明经过四年的开发，此油田已经显示出良好的经济效益，从整个计算期来看，也将具有一定的效益，将此次经济后评价与项目实施前的评价进行对比，分析两次评价中主要经济指标产生差异的原因，并提出今后发挥此油田效益的关键所在。

An Economic Post evaluation on Certain Oil Field Developmental Construction Project

According to the practical developed situation of certain oil field,the construction project was evaluated again. It is showed that after experiencing four years'development,this oil field has revealed quite good economic benefits. Even from the view of whole calculating period,it will also have definite profit. This paper compares the economic post evaluation with the pre evaluation that was carried out before the implementation of project,and analyzes the reasons resulted in the differences of main economic indicators for these two evaluations. The paper also points out the keys for bringing these economic benefits into play.