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April 2016 Bulletin

A quantitative pore-scale investigation on the paragenesis of Wilcox tight gas sandstoneAyaz Mehmani*1, Kitty Milliken2 and Maša Prodanović1(1) Department of Petroleum and Geosystems Engineering, The University of Texas at Austin(2) Bureau of Economic Geology, The University of Texas at AustinCopyright 2015, Unconventional Resources Technology Conference (URTeC) DOI 10.15530/urtec-2015-2147717This paper was prepared for presentation at the Unconventional Resources Technology Conference held in San Antonio, Texas, USA, 20-22 July 2015. AbstractA process-based multiscale network modeling approach is introduced to predict the drainage capillary pressure and relative permeability-wetting phase saturation curves at early cementation, final cementation and feldspar dissolution of the Wilcox tight gas sandstone. Predictions based on a two-scale analysis of an X-ray tomographic image are conducted as well but computational limitations make conclusions uncertain in this paper. We emphasize process-based modeling informed from thin sections as a cheap method of making a priori predictions of tight gas sandstone transport properties at various times in the paragenesis.

  • Title: April 2016 Bulletin
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