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麦盖提斜坡玛南构造带鹰山组原油包裹体荧光光谱特征

Shanghua SI,Honghan CHEN,Wanling XIONG,Peijun LI,Ziye LU

Xinjiang Petroleum Geology（2017）

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Abstract
为查明麦盖提斜坡玛南构造带鹰山组油气成藏规律,对原油包裹体的荧光光谱进行定量化描述,利用其主峰波长λmax红绿熵Q及Qr535等属性参数,识别出玛南构造带鹰山组储集层中发育橙色、黄绿色、蓝绿色、蓝白色4种荧光颜色的原油包裹体,它们分别代表了在4幕原油充注,原油包裹体主峰波长λmax与QF535分布在4个区域,荧光光谱QF535逐渐减小,反映了包裹体所捕获原油的成熟度逐渐增高.其中Ⅰ幕、Ⅱ幕和Ⅲ幕原油充注对现今鹰山组油气藏的贡献大于Ⅳ幕,Ⅰ幕为早期低成熟度原油充注,Ⅱ幕、Ⅲ幕和Ⅳ幕为晚期较高成熟度原油充注.
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Key words
Tarim basin,Maigaiti slope,Ma'nan structural belt,Yingshan formation,oil inclusion,fluorescence spectrum,hydrocarbon accumulation stage
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