Abstract: Sichuan Basin and Jianghan Basin are located in the cconomically developed South China,where carbonate rock is the thickest and distributes widest in continental China.There are many petroleum seepages in the area.The tectonic evolution history in South China is the most complex in continental China.The petroleum explorations in the area are thought to be prospective.Depending on the regularities of basin formation,timing of fault developing and distribution of folding and metamorphism,this paper has discussed the conditions of basin formation and hydrocarbon generation in South China.The effects of petroleum pool reservation condition in South China have been probed,which were resulted in by Caledonian,Indonesian and Yenshan crust formation and their reformation and superposition to previous structures.The conditions of basin formation and hydrocarbon generation are regularly changed from west to east in South China Plate.The crust movement was progressed from east to west,which reformed and destroyed the petroleum pool formation condition.All of these mean that the petroleum exploration in the area is very complicated.The characteristics mentioned above have absolutely controlled the regularities of the distribution of petroleum pools from east to west in Yangze plaeo-plate.The regularities are that Lower Paleozoic oil pools were distributed in the west of Jiangnan paleouplift,and Upper Triassic gas pools and Jurassic petroleum pools were located in Central and West Sichuan Basin.The regularities are useful to the studying and exploration of carbonate petroliferous prospect in South China.

Key words: South China Plate, Yangze Paleoplate, tectonic evolution, distribution characteristics of petroleum pools

摘要： 从华南板块在盆地的形成上、断裂发育的时代上和褶皱变质的时空展布上的有序性,探讨中国南方的成盆和成烃条件;从加里东、印支、燕山三次地壳变形作用及其对前期构造的改造和叠加,探讨南方油气藏的保存条件.在华南板块上,成盆和成烃条件从西向东有序性的发展,而改造和破坏成藏条件的地壳运动又从东向西推进,显示出异常复杂情况,并最终控制了扬子古板块内油气藏从东向西分布的规律性,即从江南隆起西缘的下古生界古油藏向川中和川西地区分布的上三叠统气藏和侏罗系油藏展布的特征.这种从东向西在空间上油气分布的宏观规律性的认识,有助于今后研究和勘探中国南方碳酸盐岩含油气远景的评价.

关键词: 华南板块, 扬子古板块, 构造演化, 油气藏分布规律