Study of structural changes in multifaceted gas pipelines

The study and generalization of the collection and transportation of multifaceted hydrocarbon mixtures produced in operating fields, as well as the acceptance of energy-efficient and resource-saving operational solutions, and the development of new approaches and methods for improving technological processes, are key conditions for the successful resolution of the posed issues. Complications occurring during the collection and transportation of hydrocarbon mixtures are often related to their multifaceted nature. In the preparation for transportation, if natural or associated gases are not dried to the required levels, it results in harmful phase transitions in the multifaceted mixtures within the transportation system. This, leads to the formation of harmful pulsations and causes the equipment and elements in the collection-transportation system to operate in a vibration mode. In practice, it is sometimes possible to encounter the transportation of gases with different quality indicators through a single pipeline. In such cases, natural gases may mix with each other or with associated gas. Studying the technological condition of the gas pipeline, examining quality changes in gas mixtures, diagnosing difficulties arising in the operation of the pipeline, and timely forecasting potential accident scenarios are significant issues. The paper investigates the variations in individual components of gas mixtures, mechanical impurities, gas humidity, and other indicators that do not conform to their initial values. The research demonstrates the possibility of diagnosing structural changes occurring during the transportation of natural and associated gases, as well as their mixtures, based on the component composition of the gas and certain physical-chemical indicators.