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Definition of the technological regimes of the natural gas transportation system is co-related with the physical and chemical features of the gas. The results of the chemical analyses of gas in the gas turbine compressor station are laid out in the article: various levels of changes of the composition of gas at various points are described.Technological losses of gas are determined, as the result of change in its specific weight in the process of compression, cooling down and separation at the compressor station.Gas losses in the sub water main gas pipelines are analyzed.Changes of the content of the gas carbonate in the composition of the gas are analyzed, its degradation alongside the pipeline and existence of the CO2 in the composition of the low-pressure oil associated gas is described in comparison with the high-pressure natural gas, which is 3,8 times more. The problems, caused by the presence of the gas carbonate in the composition of the natural gas, are highlighted.The physical properties of natural gas are characterized by its specific gravity, temperature, pressure, volume and other parameters, and chemical properties by its composition, stability of gas-forming components.It should be noted that the physical and chemical properties of gas vary within certain limits, depending on the time, both on the reservoir and on the same reservoir. Therefore, in order to regulate the parameters of the gas transportation system, it is necessary to periodically examine and take into account the physical and chemical properties of the gas.Keywords: Natural gas, carbon dioxide,compressor station, gas pipeline, gas well.

ANALYSİS OF THE İMPACT OF PHYSİCAL AND CHEMİCAL FEATURES OF THE NATURAL GAS TO THE PARAMETERS OF THE GAS TRANSPORT SYSTEM