... of hydrofracture geometry and seismic features. hydraulic fracture performance spectrogram hydraulic fracturing Reservoir Characterization seismic response shale block Upstream Oil & Gas transducer pair shale raypath fracture natural fracture coal block hydraulic fracture coal sample...

... subjected to normal stress and whether the variability in fracture specific stiffness is linked to the most conductive flow paths through a fracture. fracture stiffness experiment MPa Upstream Oil & Gas fluid front single fracture transducer pair west lafayette Reservoir Characterization...