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中文摘要：
认识储层烃类包裹体的捕获机制对于解释包裹体分析结果有着重要的意义。通过人工合成烃类包裹体实验，对碳酸盐岩储层烃类包裹体的不混溶捕获现象进行了探讨。通过对人工合成烃类包裹体的显微荧光、均一温度测试和拉曼光谱分析，埘不混溶包裹体内捕获的物质进行了辨别。根据包裹体的相态特征和实验分析结果．可以将实验合成的不混溶包裹体归纳为两大类和六小类，即烃。水不混溶包裹体和烃类不混溶包裹体两大类，六小类包括：烃-烃-水、烃-水、烃-烃、气-烃、气．烃．水及气-烃-烃-水不混溶包裹体。通过对不同类型的不混溶烃类包裹体捕获行为分析可知，流体包裹体不混溶的捕获机制受到流体相态分异、流体与矿物间的界面效应、油气裂解和非热力学平衡态等因素的影响。流体微观行为对流体包裹体形成过程有较大的制约作用。
英文摘要：
An enhanced understanding of the trapping mechanism of hydrocarbon-bearing inclusions in reservoirs is helpful to explain the results of fluid inclusion analysis. The study discussed the immiscible trapping phenomena of the hydrocarbon-bearing inclusions in carbonate reservoirs by synthetic inclusion experiments. To identify the fluid components trapped in the immiscible inclusions, the synthetic hydrocarbon-bearing inclusions were analyzed by fluorescence microscope, homogenization temperature, and in situ low temperature Raman spectroscopic analysis. Based on their phase behaviors and compositions, the synthetic immiscible inclusions can be divided into two groups （water-hydrocarbon immiscible inclusions and hydrocarbon-hydrocarbon immiscible inclusions） and six subgroups （ i.e. hydrocarbon-hydrocarbon-water, hydrocarbon-water, hydrocarbon-hydrocarbon, gas-hydrocarbon, gas- hydrocarbon-water, and gas-hydrocarbon-hydrocarbon-water immiscible inclusions）. Comparison of the trapping behavior of different immiscible inclusions indicates that the mechanism of immiscible trapping is mainly related with fluid phase behavior, interface effect between fluids and minerals, oil cracking, and non-thermodynamic equilibrium. The experimental results also show that the micro-behavior of fluids may have a remarkable effect on the formation of fluid inclusions.
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