磨溪-高石梯地区龙王庙组古油藏成藏特征

Fault-Block Oil and Gas Field(2017)

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Abstract
为了确定磨溪-高石梯地区古油藏的分布范围,并进一步认识其流体性质及规模,文中利用储层定量颗粒荧光、全息扫描荧光技术,结合显微激光拉曼分析等手段,对该地区寒武系龙王庙组古油藏进行了深入剖析.磨溪-高石梯地区储层段龙王庙组沥青发育,定量荧光分析结果显示,各井储层颗粒定量荧光都存在相对的高值,半峰宽普遍较低,TSF光谱最常用的参数总体表现为低值,激光拉曼光谱显示出了沥青的特征.研究表明:该地区存在一定规模的古油藏,古油藏总体表现为正常油—轻质油,现今残余沥青成熟度较高,古油层主要以层状分布,多发生原位裂解,与现今气藏有较好的匹配关系.
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Key words
paleo-oil reservoir profile,quantitative fluorescence technique,Raman spectroscopy,bitumen,Moxi-Gaoshiti Area
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