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Acta Geodynamica et Geomaterialia

 
Title: DOWNHOLE MICROSEISEISMIC MONITORING OF SHALE DEPOSITS CASE STAUDY FROM NORTHERN POLAND
 
Authors: Swiech Eryk, Wandycz Pawel, Eisner Leo, Pasternacki Andrzej and Mackowski Tomasz
 
DOI: 10.13168/AGG.2017.0012
 
Journal: Acta Geodynamica et Geomaterialia, Vol. 14, No. 3 (187), Prague 2017
 
Full Text: PDF file (2.5 MB)
 
Keywords: Polish shale gas, Downhole microseismic processing, Anisotropy, Microseismic events
 
Abstract: Microseismic monitoring has become a standard technique to map the development of hydraulic fracturing. This study is a case study of a downhole monitoring of the hydraulic fracturing in a lateral well in Northern Poland. The downhole monitoring array detected a large number of microseismic events indicating successful development of a hydraulic fracture. We show evidence that some stages interacted with the pre-existing natural fault system also mapped from surface active seismic imaging. The mapped hydraulic fracture shows a slight asymmetry of the developed hydraulic fractures. We show that the observed microseismicity is consistent with microseismicity usually observed in the North American shale gas stimulations.
 
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