不同类型有机黏土超压下残留烃特征
发布时间：2018-09-12 13:49
【摘要】：为研究黏土矿物类型对页岩油中轻烃和重烃数量及变化规律的影响,借助人工合成的十六烷基三甲基氯化铵—蒙脱石和十六烷基三甲基氯化铵—伊利石有机黏土,使用压力机对合成有机黏土的柴油饱和样进行超压下孔缝排烃模拟实验。结果表明:在深层,纯黏土矿物选择残留重烃,纯蒙脱石较纯伊利石残留烃量更大;十六烷基三甲基氯化铵的介入直接使蒙脱石选择性残留轻烃,但没有改变伊利石的选择性残留特征;含十六烷基三甲基氯化铵的蒙脱石黏土页岩残留烃品质较好,多为轻烃化合物,十六烷基三甲基氯化铵含量对其影响相对较小;含十六烷基三甲基氯化铵的伊利石黏土页岩残留烃品质较差,多为重烃化合物,十六烷基三甲基氯化铵含量越多越利于残留烃的保存。
[Abstract]:In order to study the effect of clay mineral types on the quantity and variation of light and heavy hydrocarbons in shale oil, the synthetic hexadecyl trimethyl ammonium chloride montmorillonite and hexadecyltrimethyl ammonium chloride-Illite organic clay were synthesized. The oil saturated sample of synthetic organic clay was simulated by pressure press under overpressure. The results show that in the deep layer, the residual heavy hydrocarbon is selected by pure clay minerals, and the residual hydrocarbon content of pure montmorillonite is higher than that of pure Illite, and the intervention of cetyltrimethylammonium chloride directly results in the selective residual light hydrocarbon of montmorillonite. The residual hydrocarbon quality of montmorillonite clay shale containing cetyltrimethylammonium chloride is better, most of them are light hydrocarbon compounds, and the content of cetyltrimethylammonium chloride has little effect on it. The residual hydrocarbon quality of Illite clay shale containing cetyltrimethylammonium chloride is poor and it is mostly heavy hydrocarbon compound. The more the content of cetyltrimethylammonium chloride is, the better the preservation of residual hydrocarbon is.
【作者单位】： 中国科学院油气资源研究重点实验室;中国科学院大学研究生院;同济大学海洋地质国家重点实验室;
【基金】：国家自然科学基金项目“不同赋存状态有机质的生排烃特征研究”(41072107) 青年科学基金项目“准噶尔盆地东部石炭系凝灰质烃源岩有机质富集机制”(41503048)
【分类号】：P618.13
，
本文编号：2239193
[Abstract]:In order to study the effect of clay mineral types on the quantity and variation of light and heavy hydrocarbons in shale oil, the synthetic hexadecyl trimethyl ammonium chloride montmorillonite and hexadecyltrimethyl ammonium chloride-Illite organic clay were synthesized. The oil saturated sample of synthetic organic clay was simulated by pressure press under overpressure. The results show that in the deep layer, the residual heavy hydrocarbon is selected by pure clay minerals, and the residual hydrocarbon content of pure montmorillonite is higher than that of pure Illite, and the intervention of cetyltrimethylammonium chloride directly results in the selective residual light hydrocarbon of montmorillonite. The residual hydrocarbon quality of montmorillonite clay shale containing cetyltrimethylammonium chloride is better, most of them are light hydrocarbon compounds, and the content of cetyltrimethylammonium chloride has little effect on it. The residual hydrocarbon quality of Illite clay shale containing cetyltrimethylammonium chloride is poor and it is mostly heavy hydrocarbon compound. The more the content of cetyltrimethylammonium chloride is, the better the preservation of residual hydrocarbon is.
【作者单位】： 中国科学院油气资源研究重点实验室;中国科学院大学研究生院;同济大学海洋地质国家重点实验室;
【基金】：国家自然科学基金项目“不同赋存状态有机质的生排烃特征研究”(41072107) 青年科学基金项目“准噶尔盆地东部石炭系凝灰质烃源岩有机质富集机制”(41503048)
【分类号】：P618.13
，
本文编号：2239193
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