Building a mathematical model to prevent hydrate formation in gas pipelines

Keywords: natural gas, mathematical model, laminar mode, hydrate formation, pipeline, inhibitor, pressure change


Development of mathematical models of laminar gas flow in certainty and uncertainty conditions were considered. All factors that influence to character of flow of gas in pipeline and conditions of arising of hydrate inside of pipeline wall are analyzed. Results of analyze were used for development mathematical model of gas flow in pipeline that allow to calculate main parameters of hydrate deposition process. Model of gas flow consist of three non-linear differential equations that can be solved by exist soft wares. Two and three-dimension characteristic obtained, that describe of quantity of hydrate deposited at given process depending on time.

Besides, the effectiveness of using DELPHI 7 software to determine the preparation of gas for transportation and the hydrates formed during transportation and its prevention based on the results of the application software was discussed. As a result, the change in cross-sectional area of the pipeline of hydrates formed on the inner surface of the pipeline is shown in 3D. Hydrate formation and elimination are visually represented by graphs. The results of theoretical and practical studies of changes in the inner surface of the pipeline depending on temperature and pressure have been identified. All this was investigated during quasi-stationary gas flow in the pipelines and the results were obtained.

The assumes regarding calculation of parameters of gas flow were determined and necessary recommendations for applying of developed model in different conditions with taking account of temperature and pressure variation and depending on time of hydrate deposition were presented. The diagram of gas-hydrate separation boundary considered for detailed analysis of process


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Author Biographies

Abdulaga Gurbanov, Azerbaijan State Oil and Industry University

Department of Transportation and Storage of Oil and Gas

Ijabika Sardarova, Azerbaijan State Oil and Industry University

Department of Electronics and automation

Javida Damirova, Azerbaijan State Oil and Industry University

Department of Electronics and Automation


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Changing of thickness of hydrate layer in dependence on distance from compressor station and time

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How to Cite
Gurbanov, A., Sardarova, I., & Damirova, J. (2022). Building a mathematical model to prevent hydrate formation in gas pipelines. EUREKA: Physics and Engineering, (5), 12-20.
Chemical Engineering