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Utilization of existing deep geological wells for acquisitions of geothermal energy

DOI: 10.1615/ICHMT.2004.IntThermSciSemin.680
pages 557-564

Tomasz Kujawa
Department of Heat Engineering, Technical University of Szczecin, al. Piastow 17, Szczecin, Poland

Wladyslaw Nowak
Department of Heat Engineering, West-Pomeranian University of Technology al. Piastow 17, PL 70-310 Szczecin, Poland

Aleksander A. Stachel
Department of Heat Engineering, Technical University of Szczecin, al. Piastow 19, PL 70-310, Szczecin, Poland


The aim of the work is to assess the possibility and usefulness of winning the geothermal energy from the existing production well Jachowka K-2. Hence, the initial assumption essential to estimate both, a heat flow transferred between a deposit and a heat carrier and a heat flow permeated through the barrier are discussed.
To gain the goal the authors have worked out a computational model, which allowed them to determine the volume of a gained geothermal heat flux with the use of a double-pipe geothermal heat exchanger with the dead centre [12]. In the final part of the article there are the results of calculations of a heat flux possible to gain in the investigated well at the depth of L = 3950 m.

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