塔里木盆地轮古地区流体包裹体特征与油气成藏过程
张泽 , 杨宪彰 , 郝芳 , 田金强 , 陈永权 , 罗新生 , 张科 , 王新新 , 丛富云
地球科学 ›› 2024, Vol. 49 ›› Issue (07) : 2407 -2419.
塔里木盆地轮古地区流体包裹体特征与油气成藏过程
Fluid Inclusion Characteristics and Hydrocarbon Accumulation Process in Lungu Area, Tarim Basin
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明确轮古地区流体包裹体特征与油气成藏过程.通过对轮古地区的岩心样品岩石学观察、流体包裹体系统分析测试和原油荧光测定,结合均一温度‒埋藏史投影法,并模拟烃源岩生烃史,恢复油气成藏过程.结果表明,轮古地区奥陶系发育三期油包裹体,分别发黄褐色、黄绿色和蓝色荧光,伴生的盐水包裹体均一温度范围分别是70~100 ℃、80~110 ℃、100~120 ℃.全区三期油包裹体对应3个充注期,分别是加里东晚期‒海西早期、海西晚期和喜山期.轮古西部地区的原油的主充注期为加里东晚期‒海西早期,轮古中部地区的原油的主充注期为海西晚期,轮古东部地区的原油的主充注期为喜山期.
塔里木盆地 / 轮古地区 / 深层油气藏 / 流体包裹体 / 主成藏期 / 石油地质.
Tarim Basin / Lungu area / deep oil and gas reservoir / fluid inclusion / main accumulation period / petroleum geology
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国家创新群体基金项目(41821002)
国家自然科学基金面上项目(41872159)
中石油重大科技项目(ZD2019-183-002)
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