... histogram determination storage capacity porosity nelson reservoir barnett shale cumulative production equation 1 canada fractured reservoir coefficient complex reservoir recovery tight gas formation carbonate reservoir classification upstream oil & gas cumulative...

..., shales were mainly classified as conventional reservoir cap-rock or non-reservoir, due to poor productivity. However, recent production growth from the Antrim Shale in the Michigan Basin and the Barnett Shale in the Fort Worth Basin (5) has promoted these two shale gas reservoirs into the top ten largest...