CO 2 Injection via a Horizontal Well into the Coal Seam at the Experimental Mine Barbara in Poland

Kamil Stańczyk (), Robert Hildebrandt, Jarosław Chećko, Tomasz Urych, Marian Wiatowski, Shakil Masum, Sivachidambaram Sadasivam, Thomas Kempka, Christopher Otto, Priscilla Ernst and Hywel Rhys Thomas
Additional contact information
Kamil Stańczyk: Department of Acoustics, Electronics and IT Solutions, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland
Robert Hildebrandt: Department of Underground Research and Surface Maintenance, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland
Jarosław Chećko: Department of Geology and Geophysics and Surface Protection, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland
Tomasz Urych: Department of Geology and Geophysics and Surface Protection, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland
Marian Wiatowski: Department of Energy Saving and Air Protection, Central Mining Institute, Plac Gwarków 1, 40-166 Katowice, Poland
Shakil Masum: Geoenvironmental Research Centre, School of Engineering, Cardiff University, Cardiff CF24 3AA, UK
Sivachidambaram Sadasivam: Geoenvironmental Research Centre, School of Engineering, Cardiff University, Cardiff CF24 3AA, UK
Thomas Kempka: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany
Christopher Otto: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany
Priscilla Ernst: GFZ German Research Centre for Geosciences, 14473 Potsdam, Germany
Hywel Rhys Thomas: Geoenvironmental Research Centre, School of Engineering, Cardiff University, Cardiff CF24 3AA, UK

Energies, 2023, vol. 16, issue 20, 1-32

Abstract: This study, conducted as part of the ROCCS project, investigates the potential of coal seams for CO 2 sequestration through in situ tests. The in situ tests, performed at Experimental Mine Barbara in Mikołów, Poland, involved injecting CO 2 through a horizontal well into a coal seam, with variable well lengths and injection parameters. The experiments included monitoring for CO 2 leakage and migration within the coal seam. The objective was to examine the correlation between the CO 2 injection rate and the coal–CO 2 contact area, monitoring for any potential leakage. The total mass of CO 2 injected was about 7700 kg. Significant leakage, probably due to the formation of preferential pathways, prevented pressure buildup in the injection well. The results provide insights into challenges regarding CO 2 injection into coal seams, with implications for the design of commercial-scale CO 2 storage installations.

Keywords: coal seam; in situ tests; horizontal wells; adsorption; CO 2 storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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