酸性GBK组分和储层微生物群落对Usinskoye油田原油驱替效率和组分的影响

A. G. Shcherbakova, V. S. Ovsyannikova, L. I. Svarovskaya, L. Altunina
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引用次数: 0

摘要

以无机酸、多元醇和表面活性剂的加合物为基础,研制了一种酸性组合物。该成分包括甘油和尿素,在模拟生物降解和驱油过程物理模拟的条件下,刺激储层微生物群的生长和碳氢化合物氧化活性。生物降解导致含氧和芳香族结构的比例增加,而环烃在基团组成中的比例下降。揭示了单芳烃、双芳烃和三芳烃分子质量分布的变化。酸成分和烃类氧化菌群的联合使用增加了低渗透和高渗透岩心样品模型的驱油量。以无机酸、多元醇和表面活性剂的加合物为基础,研制了一种酸性组合物。该成分包括甘油和尿素,在模拟生物降解和驱油过程物理模拟的条件下,刺激储层微生物群的生长和碳氢化合物氧化活性。生物降解导致含氧和芳香族结构的比例增加,而环烃在基团组成中的比例下降。揭示了单芳烃、双芳烃和三芳烃分子质量分布的变化。酸成分和烃类氧化菌群的联合使用增加了低渗透和高渗透岩心样品模型的驱油量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of the acid GBK composition and reservoir microflora on the displacement efficiency and composition of the oil from the Usinskoye oilfield
An acid composition based on an adduct of an inorganic acid, a polyol and a surfactant has been developed at the Institute of Petroleum Chemistry, SB RAS. The composition, which includes glycerin and urea, stimulates the growth and hydrocarbon-oxidizing activity of the reservoir microflora under conditions of simulated biodegradation and physical modeling of oil displacement process. Biodegradation results in an increase in the proportion of oxygen-containing and aromatic structures, while the proportion of cyclic hydrocarbons in the group composition has decreased. The changes in the molecular mass distribution of mono, bi- and triaromatic hydrocarbons were revealed. The combined use of the acid composition and the hydrocarbon-oxidizing microflora provided an increased displacement of oil from models of core samples with low and high permeability.An acid composition based on an adduct of an inorganic acid, a polyol and a surfactant has been developed at the Institute of Petroleum Chemistry, SB RAS. The composition, which includes glycerin and urea, stimulates the growth and hydrocarbon-oxidizing activity of the reservoir microflora under conditions of simulated biodegradation and physical modeling of oil displacement process. Biodegradation results in an increase in the proportion of oxygen-containing and aromatic structures, while the proportion of cyclic hydrocarbons in the group composition has decreased. The changes in the molecular mass distribution of mono, bi- and triaromatic hydrocarbons were revealed. The combined use of the acid composition and the hydrocarbon-oxidizing microflora provided an increased displacement of oil from models of core samples with low and high permeability.
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