Localization of sources and possible causes of gas imbalance in gas transmission systems using the hydraulic model of the system under consideration
UDC: 622.691.4.053
DOI: 10.33285/1999-6934-2023-4(136)-64-68
Authors:
VLADIMIROV ALEXANDER E.
1,
LYAPICHEV DMITRY M.1,
MATYUKHA DANIIL E.1,
OSTASHOV ANDREY V.1
1 National University of Oil and Gas "Gubkin University", Moscow, Russia
Keywords: gas transmission system, imbalance of gas, virtual gas metering unit, assessment of gas imbalance, localization of imbalance sources, adaptation of a hydraulic model
Annotation:
The article presents an approach to the of sources of gas imbalance detection in the gas transmission system (GTS) and localization of gas imbalance sources inside GTS using virtual gas metering units (VGMU), the principle of which is based on obtaining calculated values of gas volumes using a hydraulic model of the system under consideration. The article presents the procedure for adapting the hydraulic model by identifying the empirical parameters of the GTS operating modes, describes the procedure for calculating the uncertainty values of estimating the amount of gas passing through VGMU, as well as reflects the approach to conducting a qualitative assessment of the gas volume imbalance in the system limited by VGMU. The application of the approaches presented in the article will allow the detection and localization of gas imbalance sources in the sections of the unified gas supply system that are not equipped with gas metering units, which, in turn, will reduce both the time, required to detect gas imbalance sources and the values of gas imbalance in the unified gas supply system.
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