20世纪80年代,我国石油企业生产处于上产期,其经济效益主要通过大规模的增加石油产量得到实现,是外延扩张型的发展模式。目前,我国的三大主力油田开发已进入中后期,产量逐年下降,只有通过精细管理,降低生产成本,走内涵式提高的发展模式,才能不断地增加企业的经济效益。据有关部 In the 1980s, the production of petroleum enterprises in China was in the upper period, and its economic benefits were mainly achieved through the large-scale increase of oil production. It is an extension and expansion mode of development. At present, the development of the three major oilfields in our country has entered the middle and late stages and the output has been declining year by year. Only through elaborate management, lower production costs and a more integrated model of development can the economic benefits of the enterprises be continuously increased. According to the ministry