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
The principal aim of natural and associated gas preparation to transportation is provision of normal transportation inside field niacin gas pipelines. Developed gas and gas condensate field, production of which consists of great amount of different aggressive admixtures and mineral salts, require efficient of natural gas for further transportation. The results of aforesaid system phase state test investigation are given in the article. Its presently at water phase and salt composition. A Principals physical and chemical factors of inhibitor composition under different proportion of components were determined under laboratory conditions. New inhibitor composition, was selected on the base of experimental investigation results there also was developed the technology of inhibitor application for gas field treatment. Since the efficiency of gas storage and transportation processes depends on the compliance of these processes with the requirements of the related equipment and relevant technologies, the operating modes of gas lift lines and compressor stations should be regularly examined. There is no doubt that the efficiency of storage and transportation of natural and associated gas is ensured at a distributed level, provided that the technological equipment is reliable, durable and operates in accordance with the requirements. One of the most important issues is to improve the used technology to prevent hydrate formation in the process of production, storage and transportation of gas condensate in complex conditions. On the basis of scientific a research and field surveys there were developed new scientific a technical measure to increase the efficiency of the installation for preparation of gas
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