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Application of In-mine Geoelectric Methods for Detecting Tectonic Disturbances of the Coal Seam StructureNormal access

Authors: A. Gyulai, T. Ormos, M. Dobroka and J. Somogyi Molnár
Event name: 78th EAGE Conference and Exhibition 2016
Session: Near Surface - Water, Hazards, Mining
Publication date: 31 May 2016
DOI: 10.3997/2214-4609.201600665
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 2.69Mb )
Price: € 20

Summary:
In-mine geoelectric methods – the geoelectric seam-sounding and geoelectric transillumination – were applied for detection of fault zones in a coal mine. To determine the model parameters of the coal seam structure seam- and drift-sounding measurement were carried out along the boundary of the coal layer (roof sounding) and that of the floor (floor sounding). From the measured apparent resistivities the model parameters of the structure were determined using a joint inversion procedure (Dobróka et al., 1991).The measured data were interpreted using geoelectric tomography procedure. Good agreements were found between the location of tectonic zones predicted by the interpretation and those observed during the mining extraction.


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