Deformation bands evolving from dilation to cementation bands in a hydrocarbon reservoir (Vienna Basin, Austria)
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Highlights
► Deformation bands are analyzed in drill cores from a hydrocarbon reservoir. ► Dilation along deformation bands provided fluid pathways through the sandstone. ► Fe-rich dolomite crystallized in the bands forming low porosity zones. ► Cementation bands retain H2S-rich fluids and predate hydrocarbon charging.
Keywords
Deformation bands
Porosity
Stable isotopes
Subseismic deformation
Reservoir compartmentalization
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