Fluid inclusion evidence for petroleum accumulation in northern Qaidam Basin

查看全文 作　　者：YANG [1,2,3]Yunfeng;LI [1,3]Xianqing;FENG [1,2]Songbao;WANG [1,2]Kangdong;KONG [1,2]Longxi;DONG [1,2]Peng;XU [1,2]Feng;PENG [4]Dehua;CHEN [4]Yan

机构地区：[1]State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China;[2]College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China;[3]State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China;[4]Research Institute of Exploration and Development, Qinghai Oilfield Company, PetroChina, Dunhuang 736202, China

出　　处：《Chinese Journal Of Geochemistry》索引2010年第29卷第4期,共9页

基　　金：supported by the National Largesized Oil and Gas fields Science and Technology Research Program (Grant No. 2008ZX05007-03);the National Natural Science Foundation of China (Grant No. 40572085);the New-century Excellent Talent Program of Ministry of Education (Grant No. NCET-06-0204);the Open Fund of State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum (Grant No. 2009004);the Scientific Research Project of the Qinghai Oilfield Company (Grant No.QHKT/JL-03-013) 摘　　要：Based on the results of fluid inclusion study(microscopic characteristics,homogenization temperatures and grains with oil inclusions),the pool-forming time of the Nanbaxian and Mabei 1 oilfields in northern Qaidam Basin was discussed in this paper.Fluid inclusions in northern Qaidam Basin are relatively abundant,including aqueous inclusions and hydrocarbon inclusions.These inclusions are small(5-10 μm),and mainly distributed in quartz fissures,overgrowths and cementations.The abundances of grains with oil inclusions(GOI) are commonly low.The GOI values of most samples are between 2.0%-10.5%,and those of about 40 percent of total samples exceed 5%.The homogenization temperatures of fluid inclusions in different samples are markedly dissimilar,indicating that these inclusions were formed in different periods.According to the measured homogenization temperatures of fluid inclusions and in combination with burial history and thermal evolution history,the Nanbaxian and Mabei 1 oilfields are deduced,which have experienced two hydrocarbon charging periods,with the former of N1-N21 and N22-N23,and the latter of N1 and N1 end-N2,respectively. 关键词：柴达木盆地北缘流体包裹体油气聚集证据均一温度印度政府玛北油田石油包裹体

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Fluid inclusion evidence for petroleum accumulation in northern Qaidam Basin

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