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Faults can act both as seal and as pathways for fluid migration and therefore correct evaluation of fault zone properties is one of key element for conventional hydrocarbon reservoir management. Nevertheless, the unconventional plays deformed by faults became increasingly in demand for petroleum industry. Lower Paleozoic sediments in central part of Baltic Basin are considered as potential unconventional shale gas system. Key TOC-rich intervals in the area of interest are Caradoc Sasino Formation and Lower Llandov...

Proper estimation of geomechanical parameters of the shale gas reservoir has a crucial influence on the stimulation treatments designing and therefore on hydrocarbon production from unconventional reservoir. The brittleness is the most commonly used parameter for locating the geomechanical hotspots in the reservoir. This parameter can be estimated using elastic, dynamic rock properties such as Poisson Ratio and Young Modulus obtained from sonic logs. The seismic waves velocities recorded by the sonic logging tool ...