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Математическое моделирование процесса нагнетания углекислого газа в насыщенный метаном и его гидратом пласт

Authors: Musakaev, N. G.; Khasanov, M. Kh.;

Математическое моделирование процесса нагнетания углекислого газа в насыщенный метаном и его гидратом пласт

Abstract

We introduce the mathematical model and study the process peculiarities of gas hydrate formation at the injection of carbon dioxide into the porous medium initially saturated with methane and its hydrate. Self-similar solutions of the axisymmetric problem that describe the distribution of main parameters in the reservoir are obtained. It is shown that there are solutions, according to which the process can occur without dissociation of the source gas hydrate into methane and water, as well as with dissociation. The critical diagrams of solution existence for each type are built.

В статье представлена математическая модель и исследование особенностей процесса образования газового гидрата при нагнетании углекислого газа в пористую среду, насыщенную в исходном состоянии метаном и его гидратом. Построены автомодельные решения осесимметричной задачи, описывающие распределения основных параметров в пласте. Показано, что существуют решения, согласно которым процесс может происходить как без диссоциации исходного газогидрата на метан и воду, так и с ней. Построены критические диаграммы существования решений каждого типа.

Keywords

пas hydrates, автомодельное решение, axisymmetrical formulation, диссоциация, carbon dioxide, осесимметричная постановка, porous medium, газовый гидрат, self-similar solution, dissociation, диоксид углерода, exchange process, процесс замещения, пористая среда

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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
Green