哈得逊油田成藏研究.pdfVIP

第 卷第 期 35 4 Vol. 35, No. 4, 405 ~ 412 年 月 GEOCHIMICA 2006 7 July, 2006 哈得逊油田成藏研究 1 ! 1 1 2 米敬奎 ，张水昌 ，涂建琪 ，李新虎 ( 1. 中国石油勘探开发研究院，北京 100083; 2. 西安科技大学地质与环境工程学院，陕西西安 710054 ) 摘 要：对哈得逊油田的原油成分、原油和储层沥青族组分碳同位素、储层自生伊利石年龄和包裹体研究，以及该地 区沉积和构造历史的研究表明，哈得逊油田发生过两次油气充注，第一次油气充注发生在晚二叠纪，早期原油在油 田范围内只是经过，并没有聚集成藏。由于当时储层埋藏较浅，储层成岩作用弱，没有包裹体的形成。晚海西期由于 构造抬升，储层中残留的早期原油发生了降解，只保留了一些重质组分。目前油藏中保存下来的原油为喜马拉雅期 注入的、由02 + 03 源岩形成的原油。 关键词：成藏特征；自生伊利石年龄；生物标志化合物；哈得逊油田 中图分类号： 文献标识码： 文章编号： ( ) P593 A 0379 - 1726 2006 04 - 0405 - 08 Formation of Hadexun oilfield in Tarim Basin, NW China 1 ! 1 1 2 MI Jing-kui , ZHANG Shui-chang , TU Jian-gi and LI Xin-hu 1. Research Institute of Petroleum Exploration and Deuelopment, PetroChina, Beijing 100083, China; 2. School of Geology and Enuironment, Xifan Uniuersity of Science and Technology, Xifan 710054, China Abstract: Studies on the oiI composition, the carbon isotope of group component of oiI and bitumen from reservoir stone, the age of authigenic iIIite and incIusions, and the structure and sedimentary history of Tarim basin show that there were two oiI charges in Hadexun area. The first one took pIace in Late Permian, and the oiI onIy passed by and no oiI accumuIated in that area during this time. There are no incIusions grown in reservoir sandstone because of its shaIIow depth and poor diagenesis d