Modelling of P-wave velocity changes in coal seams with increased depth: a case study
Abstract Seismic profiling in a coal seam enables the determination of anomalous changes in the P-wave velocity compared to reference velocity at a specific mining depth, indicating potential stress changes. This information can improve the coal exploitation processes in advance at greater depths, e...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2025-01-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-87417-6 |
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| author | Maciej Łapczyński Zenon Pilecki Krzysztof Krawiec Artur Słomian Elżbieta Pilecka Tomasz Łątka |
| author_facet | Maciej Łapczyński Zenon Pilecki Krzysztof Krawiec Artur Słomian Elżbieta Pilecka Tomasz Łątka |
| author_sort | Maciej Łapczyński |
| collection | DOAJ |
| description | Abstract Seismic profiling in a coal seam enables the determination of anomalous changes in the P-wave velocity compared to reference velocity at a specific mining depth, indicating potential stress changes. This information can improve the coal exploitation processes in advance at greater depths, especially in seismic hazard areas. This study aims to update the empirical mathematical formula for calculating reference P-wave velocities in coal seams by including new data measured at greater depths. The research was performed at the Zofiówka Coal Mine in the geological and mining conditions of the Upper Silesian Coal Basin in Poland. The analysis involved the study of 276 velocity values including 24 new velocity values measured at depths ranging from 704 to 1073 metres in the period 2009–2024. Through regression analysis, the standard model was modified. The new model provides more reliable velocity anomaly calculations and accurately reflects the geomechanical conditions at greater depths in the Zofiówka Coal Mine. The calculation procedure can be utilised to develop velocity models for various geological and geomechanical conditions in underground mines that exploit coal seams at continuously increasing depths. |
| format | Article |
| id | doaj-art-6a47c26deff640b7a450d6311f4e85e4 |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-6a47c26deff640b7a450d6311f4e85e42025-02-02T12:17:21ZengNature PortfolioScientific Reports2045-23222025-01-0115111210.1038/s41598-025-87417-6Modelling of P-wave velocity changes in coal seams with increased depth: a case studyMaciej Łapczyński0Zenon Pilecki1Krzysztof Krawiec2Artur Słomian3Elżbieta Pilecka4Tomasz Łątka5Mineral and Energy Economy Research Institute of the Polish Academy of SciencesMineral and Energy Economy Research Institute of the Polish Academy of SciencesMineral and Energy Economy Research Institute of the Polish Academy of SciencesJSW SA KWK Borynia-Zofiówka-BzieCracow University of TechnologyUniversity of WarsawAbstract Seismic profiling in a coal seam enables the determination of anomalous changes in the P-wave velocity compared to reference velocity at a specific mining depth, indicating potential stress changes. This information can improve the coal exploitation processes in advance at greater depths, especially in seismic hazard areas. This study aims to update the empirical mathematical formula for calculating reference P-wave velocities in coal seams by including new data measured at greater depths. The research was performed at the Zofiówka Coal Mine in the geological and mining conditions of the Upper Silesian Coal Basin in Poland. The analysis involved the study of 276 velocity values including 24 new velocity values measured at depths ranging from 704 to 1073 metres in the period 2009–2024. Through regression analysis, the standard model was modified. The new model provides more reliable velocity anomaly calculations and accurately reflects the geomechanical conditions at greater depths in the Zofiówka Coal Mine. The calculation procedure can be utilised to develop velocity models for various geological and geomechanical conditions in underground mines that exploit coal seams at continuously increasing depths.https://doi.org/10.1038/s41598-025-87417-6Seismic profilingRefracted P-waveCoal seamsState of stress |
| spellingShingle | Maciej Łapczyński Zenon Pilecki Krzysztof Krawiec Artur Słomian Elżbieta Pilecka Tomasz Łątka Modelling of P-wave velocity changes in coal seams with increased depth: a case study Scientific Reports Seismic profiling Refracted P-wave Coal seams State of stress |
| title | Modelling of P-wave velocity changes in coal seams with increased depth: a case study |
| title_full | Modelling of P-wave velocity changes in coal seams with increased depth: a case study |
| title_fullStr | Modelling of P-wave velocity changes in coal seams with increased depth: a case study |
| title_full_unstemmed | Modelling of P-wave velocity changes in coal seams with increased depth: a case study |
| title_short | Modelling of P-wave velocity changes in coal seams with increased depth: a case study |
| title_sort | modelling of p wave velocity changes in coal seams with increased depth a case study |
| topic | Seismic profiling Refracted P-wave Coal seams State of stress |
| url | https://doi.org/10.1038/s41598-025-87417-6 |
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