【摘要】 20世纪50年代在四川盆地实施的基准井钻探计划甚为成功,取得了6项显著成果:发现一个盐水温泉,发现中国第一个大气田,发现中国最古老的产气层,第一次取得盆地基底信息,发现并证实了四川盆地内的第一个大型古隆起(乐山—龙女寺古隆起),成功钻成当时中国最深的一口井。其地质效果可以归纳为:①为20世纪60年代我国"开气找油"的石油"大会战"提供了战场选择的依据;②获得四川盆地内完整的地层剖面并在古生界发现4个产气层(二叠系、奥陶系、寒武系和震旦系),为其后寻找大气田提供了方向;③获得的四川盆地基底资料,为中国基础地质科学研究提供了重要的依据。结论认为:一个盆地勘探之初,有计划地钻一些基准井并与地震剖面联系起来进行综合解释,是全面系统开展区域油气勘探的一套有效方法;20世纪50年代在川中"地台"实施的基准井计划,是四川盆地油气勘探战略转移的成功范例,为其后四川盆地近60年油气勘探开发事业的发展奠定了基础。更多还原

【Abstract】 The project of exploratory drilling of stratigraphic wells in the Sichuan Basin in the 1950s made great success,through which the following five great discoveries and one first record were prized by the State Council in China: the first brine spring,the first giant gas field,the first ancient gas pay zone,the first large paleo-uplift of Leshan-Longnüshi within the basin were found and proved,the first deepest well was drilled,and it was the first time to obtain the information of the basin basement.In addition,the geological effects achieved through this successful project are presented herein.(1) It provided the basis for the choice of battle sites in the "great battle" for finding more oil and gas resources in the 1960s.(2) A complete strata profile of the whole basin was got and four Paleozoic pay zones were discovered including the Tertiary,Ordovician,Cambrian,and Sinian formations,which directed the further discoveries of other giant gas fields.(3) The obtained basin basement data provided important reference for the researchers to study the basic geological sciences in China.In conclusion,(1) at the early period of gas exploration in a basin,the integrated geological interpretation through data from some stratigraphic wells combined with the seismic profiles was effective for overall and systematic regional oil and gas exploration;(2) this project was a successful example for the strategic shift of oil and gas exploration in the Sichuan Basin and had a good start for the oil and gas exploration and development in this basin in the following next 6 decades.更多还原