發(fā)布時間：2019-04-11 07:20

【摘要】：對多個砂巖油藏中流體包裹體進(jìn)行研究后發(fā)現(xiàn),石英顆粒中普遍發(fā)育一類油-氣-水不混溶包裹體。這類包裹體非均一捕獲了油-水兩相,表現(xiàn)出油-氣-水三相共存、均一溫度異常高、同一組合內(nèi)包裹體氣/液比和均一溫度分布離散且無規(guī)律、氣泡緊靠包裹體內(nèi)壁、降溫后不共結(jié)等特征。因鏡下特征與鹽水包裹體相近,其異常高的均一溫度易對測試結(jié)果造成嚴(yán)重影響,仔細(xì)觀察包裹體的熒光特征和降溫后的共結(jié)現(xiàn)象能夠準(zhǔn)確地進(jìn)行識別。包裹體內(nèi)油相組分以瀝青質(zhì)為主且吸附在包裹體內(nèi)壁上,反映這類包裹體的普遍發(fā)育與礦物顆粒對原油瀝青質(zhì)中極性組分的選擇性吸附作用有密切關(guān)系。
[Abstract]:After studying fluid inclusions in several sandstone reservoirs, it is found that a kind of oil-gas-water immiscible inclusions are generally developed in quartz grains. The heterogeneous inclusions capture the oil-water phase, showing that the oil-gas-water phase co-exists, and the homogeneous temperature is unusually high. The gas / liquid ratio and the homogeneous temperature distribution of the inclusion in the same combination are discrete and irregular, and the bubbles are close to the wall of the inclusion body. The characteristics of non-cojunction after cooling. Because the microscopic features are close to that of saline inclusions, its unusually high homogeneous temperature is easy to cause serious influence on the test results. Careful observation of the fluorescence characteristics of inclusions and the co-junction phenomenon after cooling can be accurately identified. Asphaltene is the main oil phase component and adsorbed on the wall of the inclusion body, which indicates that the general development of these inclusions is closely related to the selective adsorption of polar components in crude asphaltene by mineral particles.
【作者單位】： 中國石油大學(xué)地球科學(xué)學(xué)院;中國石油化工股份有限公司中原油田分公司勘探開發(fā)研究院;中國石油化工股份有限公司中原油田分公司博士后工作站;
【基金】：國家重大科技專項(2011ZX05002-002;2011ZX05001)資助
【分類號】：P618.13

【共引文獻(xiàn)】

相關(guān)期刊論文 前10條

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