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We develop a quantitative predictive model for the state of stress of avolume of crust encompassing the Duvernay Formation with a spatial extent ofover 150 km x 150 km centred near the municipality of Fox Creek. An averagedirection of the maximum horizontal compression SH is of N43{\deg}E, determinedfrom analysis of 20 borehole image logs. A model of the vertical stress SV,corrected for topographic variations, is provided from the integration of a 3Ddensity volume constructed from 1125 density logs. The minimum horizontalcompressions Sh and pore pressures PP are evaluated through analysis of 57 welltests carried out within the Duvernay Formation; 3D models developed by krigingof the observed values. Stress inversion of the focal mechanism solutions forthe earthquakes nearby validated the assumed Andersonian stress regime andprovided the shape-ratio of the stress which further allowed estimation ofmaximum horizontal compression SH. A program is provided allowing the user tocalculate the full set of components necessary to describe the states ofin-situ stress for a location of interest near the Duvernay formation withinour study area.

Quantitative constraints to the complete state of stress from the combined borehole and focal mechanism inversions: Fox Creek, Alberta