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伊通地堑位于松辽盆地的东侧,是新生代发育起来的小型裂谷盆地,近年在该区的第三系地层中获得了高产工业油流。本文介绍了该区的地质、构造、沉积环境,指出伊通地堑迅速而有节奏深降的基底和巨厚而有韵律的盖层沉积,为油气形成提供了雄厚的物质基础和良好的转化、保存条件。最后指出了在吉林省范围内勘探同类型盆地的可行性和研究寻找隐蔽油气藏新方法的必要性。
Located on the east side of the Songliao Basin, the Yitong Graben is a small rift basin developed in the Cenozoic. In recent years, high-yield industrial oil flow has been obtained in Tertiary strata of the area. This paper introduces the geology, tectonics and sedimentary environment in this area, points out the rapid and rhythmic deep down basement of the Yitong graben and its thick and rhythmical caprock deposition, which provides a solid material foundation and good transformation for oil and gas formation ,Storage Conditions. Finally, it points out the feasibility of exploring the same type of basins in Jilin Province and the necessity of studying new methods of finding subtle reservoirs.