Linear and nonlinear models of gas movement

The consistent development of the oil and gas industry, techniques and technologies in the world is inextricably linked with the processes of transferring various substances, heat and mechanical energy over long and short distances. For example, according to the British Petroleum company's data on world energy statistics for 2020, "in the last year, gas consumption in the world averaged 78 billion cubic meters or 2.5%increased to In particular, gas consumption increased in the USA (27 billion cubic meters) and China (24 billion cubic meters). . Development of this volume of gas and delivery to the consumer requires the development of the pipeline system based on innovative ideas. The same opinion can be expressed in relation to devices that transmit oil and oil products, heat and mechanical energy through pipelines. In this regard, the development and improvement of new mathematical models for gas transportation processes and their introduction into production are of great importance.