辽河油区稠油储层砂岩特征及原油微观分布

通过对辽河油区稠油储层砂岩岩石学特征和含油薄片荧光特征的研究．总结出四种孔障类型，三种孔隙充填状况。在此基础上．对原油荧光性质和微观分布进行了分析，认为稠油砂岩中不同沥青组分的原油在微观分布上具有一定的差异性。即沥青质沥青分布于粒间孔隙中，油质沥青分布干微孔中，而胶质沥青分布于二者之间。

THE SANDSTONE CHARACTERIZATION OF HEAVY OIL RESERVOIR AND MICRO DISTRIBUTION OF CRUDE OIL IN LIAOHE OIL ZONE

Based upon the study of sandstone petrologic characterization and the fluorescence features of oil bearing thin section of heavy oil reservoir of Liaohe oil zone, four types of pore and three kinds of pore filling condition are recognized. Based upon this, analysis was made upon the fluorescence property and micro distribution of crude oil. It is considered that micro distribution of crude oil varies with the crude oil containing different asphaltine types, i.e., asphaltine asphalt is distributed over the intergranular pores, oil asphalt is distributed over micro pores, and gel-asphalt is distributed over both of them.