Newest recognition of exploitation parameters based on Chochołów PIG-1 borehole in the aspect of temperature effect

Bielec, Bogusław; Operacz, Agnieszka

doi:10.12912/23920629/99550

Cited by 3 publications

(2 citation statements)

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“…The analysis confirmed the studies conducted by many scientists which revealed that the chemical composition of geothermal water of the Podhale Trough is stable over time [33,37,[56][57][58][59][60]. The results of our study were compared to archival data and are in the range of natural changes in the chemical composition of investigated geothermal water (Figure S1).…”

Section: Resultssupporting

confidence: 88%

Inorganic Chromium Speciation in Geothermal Water of the Podhale Trough (Southern Poland) Used for Recreational Purposes

2020

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The results of total chromium determination (by ICP-OES method) in samples collected from nine working wells named GW1–GW9, exploiting geothermal water from the Podhale Trough (southern part of Poland, near the Tatra Mountains), which is used for recreational purposes, were implemented for hydrogeochemical modeling to indicate dominating chromium speciation. The reliability of the results was determined by the application of a quality assurance/quality control program, both in the laboratory and during field work. Based on chromium speciation, the risk associated with the utilization of geothermal water was calculated. The outcome showed that the concentration of Cr(III) is almost equal to the total chromium concentration (1–2 µg∙L−1). Crtot concentrations were also used in a health risk assessment in the case of epidermal absorption (EDIderm) during bathing in thermal pools and four assumed scenarios in relation to the handling of geothermal water. The effect of the very low Crtot concentration in the analyzed water on health risk calculation was estimated as low (hazard quotient value <10−7). In the case of risk matrix analysis, the environmental risks were estimated as moderate, major and very severe, dependent on the assumed scenario.

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Section: Resultssupporting

confidence: 88%

Inorganic Chromium Speciation in Geothermal Water of the Podhale Trough (Southern Poland) Used for Recreational Purposes

2020

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“…Most wells are self-flowing due to high artesian pressure (up to 27 bar). Wellhead temperature of produced water varies from 20 °C in the southern part of the system up to 90 °C in the central and western part (Kępińska 2006;Miecznik 2017;Bielec and Operacz 2018). Waters' mineralization ranges from below 1 to ca 3 g/dm 3 .…”

Section: A Brief Overview Of Geothermal Conditions In Polandmentioning

confidence: 99%

Reconstruction of geothermal boreholes in Poland

et al. 2020

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IntroductionBorehole reconstruction involves a number of technical and research measures which ultimately result in well and reservoir conditions that enable their commercial use. In terms of geothermal needs and goals, borehole reconstruction can be carried out in three areas, i.e.:• the reconstruction of a damaged or decommissioned well; • the restoration of an existing well; • the repair of entire or part of an existing well.Further, borehole reconstruction can be complete or partial. AbstractThe beginnings of geothermal implementation research in Poland date back to 1989-1993 when the Mineral and Energy Economy Research Institute of the Polish Academy of Sciences (MEERI PAS) launched the first geothermal installation in the Podhale region, using the reconstructed Bańska IG-1 well. The knowledge acquired during these 30 years has highlighted the importance of geothermal energy-among other things, borehole reconstruction operations and the need for their further refinement. The technologies developed have been used in virtually all geothermal heating systems operating in Poland. Examples of successful reconstruction work include the Bańska IG-1 and Biały Dunajec PAN-1 wells operated by the PEC Geotermia Podhalańska S.A. geothermal company. The Mszczonów IG-1 well, which is operated by the Geotermia Mazowiecka S.A. heating company, has also undergone considerable work almost 24 years after its complete closure. Reconstruction processes can also be important in adapting existing wells for geothermal purposes. After World War II, more than 8000 boreholes deeper than 1000 m were drilled in Poland. They were primarily made for the purpose of geological surveys and hydrocarbon exploration. Some of these boreholes can be adapted for operation in geothermal systems. The paper presents selected methods of reconstructing abandoned, disused (not abandoned and not decommissioned) or damaged boreholes in order to use them in the geothermal water extraction process. Four examples of borehole reconstruction, designed and carried out with the participation of MEERI PAS in Kraków, are discussed in more detail.

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Sustainable Utilization of Low Enthalpy Geothermal Resources to Electricity Generation through a Cascade System

2020

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The article presents an assessment of the potential for using low temperature geothermal water from the C-PIG-1 well (Małopolskie Voivodship, southern Poland) for electricity generation, as the first stage in a geothermal cascade system. The C-PIG-1 well is characterised by a temperature of geothermal water of 82 °C and a maximum flow rate of 51.22 kg/s. Geothermal water is currently only utilised for recreation purposes in swimming pools. In such locations, with the potential to use renewable energy for energetic purposes, the possibility of comprehensive management of the geothermal waters extracted should be considered both in the first stage of the cascade and after recreational use. Thermodynamic calculations were conducted assuming the use of the Organic Rankine Cycle (ORC) or Kalina Cycle. Two variants were analysed—the use of the maximum flow rate of geothermal waters and partial use with an assumption of a priority for recreational/heating purposes. The analysis and calculations indicate that the gross capacity in the most optimistic variant will not exceed 250 kW for the ORC and 440 kW for the Kalina Cycle. As far as the gross electricity generation is concerned, for ORC this will not exceed 1.9 GWh/year and for the Kalina Cycle it will not exceed 3.5 GWh/year.

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Newest recognition of exploitation parameters based on Chochołów PIG-1 borehole in the aspect of temperature effect

Cited by 3 publications

References 3 publications

Inorganic Chromium Speciation in Geothermal Water of the Podhale Trough (Southern Poland) Used for Recreational Purposes

Inorganic Chromium Speciation in Geothermal Water of the Podhale Trough (Southern Poland) Used for Recreational Purposes

Reconstruction of geothermal boreholes in Poland

Sustainable Utilization of Low Enthalpy Geothermal Resources to Electricity Generation through a Cascade System

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