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Application of Aggregate Gas-Oil Block at Compressor Stations

Authors: Semen S. ZATSEPIN graduated from Gubkin Russian State University of Oil and Gas in 2015. He is first rank engineer at the Engineering Center of OOO „Gazprom transgaz Moscow”. He is post-graduate student of Gubkin Russian State University of Oil and Gas (National Research University). He is author of 1 scientific publication.E-mail: cemenz@mail.ru
Sergey M. KUPTSOV graduated from Gubkin Moscow Institude of Petrochemical and Gas Industry in 1973. He is Doctor of Technical Sciences, prof. of the Dept. of Thermodynamics and Heat Engines of Gubkin Russian State University of Oil and Gas (National Research University). He is specialist in thermal processes in the oil and gas industry. He is the author of more then 90 scientific and educational works. E-mail: kuptsov_sm@mail.ru

Abstract: The use of secondary energy resources in the natural gas transportation system is considered. The heat released into the lubrication oil of the gas turbine engine and the centrifugal compressor is lost in the atmosphere, although it can be effectively utilized.
Devices that regenerate the heat flow released into the oil have not been used at compressor stations of main gas pipelines yet.
A variant of generating additional electric power, cooling the oil and heating the fuel gas is proposed.
The main characteristics and operation mode of the aggregate gas-oil block are calculated. This device allows to bring the heat flow from the hot oil to the fuel gas supplied to the combustion chamber of the gas turbine engine.
An assessment of the economic effect of the implementation of this unit is also given.

Index UDK: 622.691.4:536.246

Keywords: compressor station, heat exchange, turboexpander, temperature, gas turbine engine, heat exchanger

1. Theoretical foundations of heat engineering. Part 1 Thermodynamics in the technological processes of the oil and gas industry: textbook. B.P. Porshakov, A.F. Kalinin, S.M. Kuptsov et al. M.: RSU of Oil and Gas named after I.M. Gubkin, 2005, 148 p. (in Russian).
2. Zatsepin S.S., Kuptsov S. M. The Use оf Turbo-Expander Units On Gas-Distributing Stations. Territorija Neftegaz [Oil and Gas Territory], 2016, no. 12, p. 50-53 (in Russian).
3. Kalinin A.F., Kuptsov S.M., Lopatin A.S. Determination of the thermodynamic characteristics of natural gas for solving energy-technological problems. Scientific and technical collection. Series: Sectoral energetics and energy saving problems, 2004, no. 1, p. 3-9 (in Russian).
4. Kalinin A.F., Kuptsov S.M. Forecasting the temperature and pressure of natural gas at the boundaries of linear sections of gas mains. Scientific and technical collection. Series: Sectoral energy and energy saving problems, 2004, no. 1, p. 10-21 (in Russian).