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塔中隆起北坡顺托果勒区块志留系储层油气充注历史——以顺9井流体包裹体分析为例 预览 被引量:16

Hydrocarbon charging history for Silurian reservoirs of Shuntuoguole block in the north slope of Tazhong uplift,Tarim Basin:constraints from fluid inclusion of Well Shun 9
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摘要 受多期构造运动影响,塔里木盆地志留系储层油气成藏具有独特性。运用流体包裹体系统分析技术和方法,特别是单个油包裹体显微荧光分析技术,对顺托果勒低凸起顺9井柯坪塔格组油气成藏期次进行了划分,并确定其油气成藏时期。结果表明,位于斜坡带的顺托果勒低凸起顺9井区柯坪塔格组第1期成藏时间为417.5~409.5Ma;第2期成藏发生在335.0~231.5Ma,属于海西晚期,是该井区最主要的成藏期,油源可能来自于寒武系—下奥陶统烃源灶和中上奥陶统烃源灶;第3期发生在20.1~19.7Ma,属于喜马拉雅中晚期,油源可能来自于中上奥陶统烃源灶;天然气成藏时间为23.5~15.3Ma,气源可能来自于寒武系—下奥陶统烃源灶。 Affected by multistage tectonic movements,hydrocarbon accumulation in Silurian reservoirs of Tarim Basin is of uniqueness.Through systematical analysis methods for fluid inclusions,especially micro-beam fluorescent analysis method on a single fluid inclusion,we aimed to classify Kepingtage Formation hydrocarbon charging events of Well Shun 9 in Shuntuoguole low uplift and define their individual hydrocarbon accumulation ages.Results showed that Kepingtage Formation of Well Shun 9 located in the slope of Shuntuoguole low uplift is characterized by three oil charging episodes and one natural gas accumulation episode,the first oil charging episode occur in 417.5~409.5 Ma;the second oil charging episode occurr in late Hercynian(335.0~231.5 Ma),which is the major hydrocarbon accumulation period of this well field,oil might be from the Cambrian-Lower Ordovician and Middle-Upper Ordovician source rocks;the third episode occurr in middle-late Himalayan(20.1~19.7 Ma) oil are from the Middle-Upper Ordovician source rock,natural gas accumulation time is 23.5~15.3 Ma,and gas may be from the Cambrian-Lower Ordovician source rock.
作者 熊万林 陈红汉 云露 李慧莉 丰勇 吴悠 苏奥 XIONG Wanlin CHEN Honghan YUN Lu LI Huili FENG Yong WU You SU Ao(1.Key Laboratory of Tectonics & Petroleum Resource of the Ministry of Education,China University of Geosciences,Wuhan 430074,China;2.Institute of Petroleum Exploration & Development,Sinopec Northwest Oilfield Company,Urumqi 830011,China;3.Faculty of Earth Science,Yangtze University,Jingzhou 434023,China)
出处 《石油学报》 EI CAS CSCD 北大核心 2013年第2期239-246,共8页 Acta Petrolei Sinica
基金 国家重点基础研究发展计划(973)项目(2012CB214804) 国家重大科技专项(2008ZX05008-003-30)资助
关键词 塔中隆起北坡 志留系 顺托果勒低凸 油气成藏期次 流体包裹体 north slope of Tazhong uplift Silurian Shuntuoguole low uplift hydrocarbon charging event and age fluid inclusion
作者简介 通讯作者:熊万林,男,1987年9月生,2010年获中国地质大学(武汉)学士学位.现为中国地质大学(武汉)硕士研究生,主要研究方向为含烃流体地质。Email:xiongwanlinl987@163.com.
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