基于地层水组成的水合物形成平衡条件下含气储层与井联合作业中水合物塞的形成模拟

IF 0.5 4区工程技术 Q4 MECHANICS

Journal of Applied Mechanics and Technical Physics Pub Date : 2023-06-02 DOI:10.1134/S002189442302013X

I. I. Rozhin, G. I. Ivanov

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引用次数: 0

摘要

利用天然气在多孔介质中非等温过滤的广义数学模型和改进的天然气水合物在管道中形成(沉积)的准平稳模型，求解气藏-井系统联合运行的共轭问题，预测温度、压力、气体含水率和井流截面的变化。发现较厚的永久冻土层的存在加速了井中水合物的形成。结果表明，考虑地层水矿化度，水合物完全封堵井的时间延长。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

SIMULATION OF HYDRATE PLUG FORMATION DURING JOINT OPERATION OF A GAS-BEARING RESERVOIR AND A WELL UNDER THE EQUILIBRIUM CONDITIONS OF HYDRATE FORMATION DEPENDING ON STRATUM WATER COMPOSITION

查看原文本刊更多论文

SIMULATION OF HYDRATE PLUG FORMATION DURING JOINT OPERATION OF A GAS-BEARING RESERVOIR AND A WELL UNDER THE EQUILIBRIUM CONDITIONS OF HYDRATE FORMATION DEPENDING ON STRATUM WATER COMPOSITION

A generalized mathematical model of the non-isothermal filtration of natural gas in a porous medium and a modified quasi-stationary model of gas hydrate formation (deposition) in pipelines are used to solve the conjugate problem for the joint operation of the gas reservoir–well system and predict the changes in temperature, pressure, gas moisture content, and well flow section. It is found that the presence of a thick permafrost layer accelerates hydrate formation in the well. It is shown that when the salinity of stratum water is taken into account, the time of complete plugging of the well with hydrates increases.

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来源期刊

Journal of Applied Mechanics and Technical Physics 物理-力学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.