Please use this identifier to cite or link to this item: http://repository.kpi.kharkov.ua/handle/KhPI-Press/55692
Title: Phenomenological model of an open-type geothermal system on the basis of oil-and-gas well
Authors: Fyk, Mykhailo
Biletskyi, V. S.
Keywords: heat-transfer medium; oil-and-gas fields; geothermal system; natural fluid; single-stage heat pump; phenomenological model; hydraulic system
Issue Date: 2020
Citation: Fyk M. Phenomenological model of an open-type geothermal system on the basis of oil-and-gas well / M. Fyk, V. Biletskyi // Ukrainian School of Mining Engineering : E3S Web Conf., October 23, 2020. – Electronic text data. – 2020. – Vol. 201, No. 01035. – Access mode: https://www.e3s-conferences.org/articles/e3sconf/abs/2020/61/e3sconf_usme2020_01035/e3sconf_usme2020_01035.html, free (date of the application 13.01.2022.).
Abstract: This paper relates to mining-well technologies. A theoretical and methodological approach is proposed to modeling geothermal well systems, which includes the development of: principal technological scheme of a geothermal system; schemes of transformation and movement of energy and a heat-transfer medium; the geothermal system phenomenological model; analysis of subprocesses and obtaining their mathematical models and, on this basis, the mathematical model of the geothermal model as a whole. An example of an advanced open-type geothermal well system is studied, which is based on the oil-and-gas well with one loop of circulation and the parallel connection of heat pumps at characteristic points of the system. The subprocesses of the developed phenomenological model are analysed and the characteristic features of their mathematical description are revealed; in particular, it is substantiated that the redistribution of heat power entering from a fluidsaturated bed is substantially dependent on the lateral wellbore geometry. Another important feature is to model the downhole heat pump and the modes in the scheme as a whole, which is based on the mass flow rate of a heat-transfer medium in its circulation loop. A generalized formula is presented for the heat power of the analysed advanced geothermal well system.
DOI: doi.org/10.1051/e3sconf/202020101035
URI: http://repository.kpi.kharkov.ua/handle/KhPI-Press/55692
Appears in Collections:Кафедра "Видобування нафти, газу та конденсату"

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