The use of progression cavity pumps in the exploitation of geothermal energy from deep boreholes

Geonauka ◽  
2015 ◽  
Vol 03 (01) ◽  
pp. 1-8
Author(s):  
Željko Vukelić
Keyword(s):  
Geothermal Energy ◽  
Deep Boreholes

scholarly journals Selected technical aspects of well construction for geothermal energy utilization in Poland

2018 ◽  
Vol 7 (2) ◽  
pp. 188-199 ◽  
Author(s):  
Barbara Tomaszewska ◽  
Anna Sowiżdżał ◽  
Anna Chmielowska
Keyword(s):  
Geothermal Energy ◽  
Energy Utilization ◽  
Injection Wells ◽  
Geothermal Resources ◽  
Geothermal Heating ◽  
Current State ◽  
Exploratory Wells ◽  
Deep Boreholes ◽  
Deep Geothermal Energy ◽  
Domestic Law

Abstract Geothermal resources have been used in Poland since the 90s of the last century. Since then, several geothermal heating plants, recreation and balneological centers have been operated. Accessing geothermal resources is possible due to deep boreholes that are either brand-new wells or old but revitalized petroleum and/or exploratory wells. In this case, the construction of production and injection wells is of significant importance. The utilization of deep geothermal energy resources is strongly dependent on the binding domestic law regulations – primarily in case of acquiring the concession enabling an execution of geological and drilling works, and subsequently a proper exploitation. The paper presents the current state of development of the geothermal energy sector in Poland, indicating examples of exploitation systems based on deep boreholes. Furthermore, the constructions of existing wells are discussed extensively. The existing examples of old but reconstructed wells in Poland, are characterized. The importance of national law and its influence on the development of a geothermal investment is highlighted, as well.

Analytical solution for estimating the influence of a pre-existing ground water flow on a geothermal heat production-injection well system

2011 ◽  
Vol 2 (1) ◽  
pp. 13-17
Author(s):  
I. David ◽  
M. Visescu
Keyword(s):  
Ground Water ◽  
Water Flow ◽  
Geothermal Energy ◽  
Flow Direction ◽  
Energy Resource ◽  
Hot Water ◽  
Injection Well ◽  
Production Well ◽  
Ground Water Flow ◽  
The Earth

Abstract Geothermal energy source is the heat from the Earth, which ranges from the shallow ground (the upper 100 m of the Earth) to the hot water and hot rock which is a few thousand meters beneath the Earth's surface. In both cases the so-called open systems for geothermal energy resource exploitation consist of a groundwater production well to supply heat energy and an injection well to return the cooled water, from the heat pump after the thermal energy transfer, in the underground. In the paper an analytical method for a rapid estimation of the ground water flow direction effect on the coupled production well and injection well system will be proposed. The method will be illustrated with solutions and images for representative flow directions respect to the axis of the production/injection well system.

Utilization of geothermal energy in Hungary with Bóly in the focus

2012 ◽  
Vol 7 (1) ◽  
pp. 107-112
Author(s):  
Judit Pálné Schreiner
Keyword(s):  
Geothermal Energy

Geothermal energy in perspective

1994 ◽  
Author(s):  
William Clark, II
Keyword(s):  
Geothermal Energy
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