Abstract
The article is devoted to the search and identification of possible invariant measures aimed at reducing gas shortages among consumers in the event of emergencies at critical facilities of the gas industry. The study was carried out on the example of the Unified Gas Supply System of Russia and is a logical development of the topic of searching and identifying critical objects of the system. The article presents a list of the most common sections of gas pipelines, the throughput of which is insufficient in the situations under consideration. As measures to reduce gas shortages among consumers in emergencies at critical facilities, the expediency of both a short-term increase in the throughput of the sections and the laying of additional sections of main gas pipelines is shown. Conclusions are drawn on the need to search for such sections of gas pipelines and to apply measures to them aimed at increasing the efficiency of the Russian gas industry in emergencies.
Highlights
Due to the significant deterioration of fixed production assets, in the absence of significant financial investments in their reconstruction, the number of major accidents in energy systems has increased in recent years
The calculation scheme used to simulate the operation of the gas transmission network takes into account all the main features of the functioning of the Unified Gas Supply System of Russia and contains:
Among these objects: 25 arcs between nodal compressor stations and 36 nodes, including 30 nodal compressor stations, 5 head compressor stations at the exits from large gas fields and a compressor station at one underground gas storage. These calculations were carried out using a software package [28] that reflects in detail the functioning of the gas transmission network in Russia and allows simulating various conditions for the functioning of its facilities, including complete shutdown
Summary
Due to the significant deterioration of fixed production assets, in the absence of significant financial investments in their reconstruction, the number of major accidents in energy systems has increased in recent years. The Oil and Gas of Russia complex allows the researcher, when analyzing the calculation results, to identify potential bottlenecks or network sections that limit the system's performance Most often, these facilities can cause shortage of the required amount of gas to consumers. At the same time, depending on the scale of emergencies with gas supply, not in all cases when solving the problem of bypassing bottlenecks, these gas shortages at consumers can be reduced to zero Cij - unit costs for flow along the arc (i, j); Aij - unit costs per flow incrementally yij; Gij - unit costs per flow in increments gij
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