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Изучение нефтяной составляющей в модельных растворах пластовых вод

Authors: Russkikh, Irina V.; Gulaya, Elena V.; Gossen, Liliya P.;

Изучение нефтяной составляющей в модельных растворах пластовых вод

Abstract

В работе исследовали процессы растворения нефтей в воде с разной минерализацией, рН среды и временем контакта смеси «минерализованная вода-нефть». Показано, что максимальное количество нефтяных компонентов экстрагируется из воды в условиях слабой минерализации и кислой среды. Установлено, что на групповой состав нефтяных углеводородов, выделенных из воды, влияет время контакта на границе раздела «минерализованная вода-нефть». С увеличением времени контакта повышается количество ароматических соединений, переходящих в воду из легкой нефти, что свидетельствует об образовании в растворе устойчивой дисперсной системы. Для тяжелой нефти уменьшение содержания ароматических углеводородов связано с наличием большого количества высокомолекулярных соединений, которые образуют неустойчивую дисперсную систему. Характер изменения относительного содержания кислородсодержащих соединений с увеличением времени контакта свидетельствует об обратимости процесса растворения нефтяных компонентов легкой нефти, тогда как для тяжелой нефти отмечается их увеличение в смеси «минерализованная вода-нефть».

The processes of oil dissolution in water with different mineralization, pH and time of "mineralized water-oil" contact, were examined in present work. It is shown, that a maximum quantity of oil components extracts from water in the conditions of a weak mineralization and the acid medium. It is established, that the group composition of oil hydrocarbons dissolved in water is influenced by contact time on intersection of "mineralized water-oil" mixture. The growth of quantity of aromatic compounds passed to water from light oil along with increasing of contact time indicates formation of steady disperse system in a solution. For heavy oil the small content of aromatic hydrocarbons is connected with presence of a considerable quantity of high-molecular compounds which form unsTable disperse system in a solution. The behavior of relative content of oxygenic compounds testifies to reversibility for process of light oil components dissolution along with contact time increasing, whereas increasing of their concentration in "mineralized water-oil" mixture is marked for heavy oil.

Country
Russian Federation
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Keywords

IR-spectrometry, рН, обращение фаз эмульсий, нефтяная дисперсная система, spectral coefficients, спектральные коэффициенты, время контакта, the emulsion phase reversal, рН среды, contact time, минерализация воды, oil disperse system, ИК-спектрометрия, a water mineralization, oil components, нефтяные компоненты

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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