甘肃西部共28个沉积盆地(图1)。总面积45万平方公里,沉积岩面积约15万平方公里。勘探工作自1930年开始,解放前仅在老君庙、青土井、海石湾作过少量工作,解放后广泛进行了勘探。已找到油田,并有一定规模的地质储量。回顾甘肃西部特别是酒泉西部盆地的勘探历程,有许多经验教训值得总结。本 A total of 28 sedimentary basins in western Gansu (Figure 1). The total area of ​​450,000 square kilometers, sedimentary rock area of ​​about 150,000 square kilometers. Since 1930, the exploration work has only done a small amount of work in Laojun Temple, Qingtujing and Hai Shiwan before liberation, and extensive exploration has taken place after the liberation. Have found oil fields, and have a certain amount of geological reserves. Reviewing the exploration history of western Gansu, especially the Jiuquan West Basin, there are many lessons to be learned. this