陕西榆林是著名的革命老区，90年代初，继神府煤田的发现和开发之后，陕北地下油气田的发现，使这里再次成为举世瞩目的热土，随着被列为国家能源重化工基地，给榆林经济发展带来了前所未有的机遇。　　为了实现资源的有效利用，榆林地区的决策者决定：建自己的炼油厂。作为整 Shaanxi Yulin is a famous revolutionary old district. In the early 1990s, following the discovery and development of the Shenfu coalfield, the discovery of the underground oil and gas fields in northern Shaanxi has once again become a hot spot for the world’s attention. Along with being listed as a national energy and heavy chemical industry base, Yulin’s economic development has brought unprecedented opportunities. In order to make effective use of resources, decision makers in Yulin decided to build their own refineries. As a whole