(一) 翻开世界石油勘探史就可发现,我国是世界上最早开发和使用油气的国家。早在两千年前的秦汉时代,就有有关石油及天然气的记叙。晋朝常琢著的《华阳国志》就谈到公元前250年四川广都用土法钻井,钻至天然气层发生井喷,用竹管输气,引气煮盐。那时,对油气的寻找没有什么科学的方法,可谓是“直接找油”。一直到十七世纪,随着 (I) Looking beyond the history of petroleum exploration in the world, we can see that China is the first country in the world to develop and use oil and gas. As early as two thousand years ago in the Qin and Han dynasties, there was a narrative about oil and gas. The Huayang National Records, often scrutinized by the Jin dynasty, talked about the use of soil drilling methods in Guangshu of Sichuan Province in 250 BC. At that time, there was no scientific way to look for oil and gas. It was “looking for oil directly.” Until the seventeenth century, with