Project Final Report-07122-35-The goal of this project is to develop new reservoir and decision modeling tools to help operators determine optimal well spacing and completion strategies in unconventional gas reservoirs. These tools should help operators maximize revenue and profitability margins in tight gas reservoir development areas. The new modeling tools will be applied to the Barnett Shale play in Parker County, Texas, and to deep basin tight gas sands in the Berland River area of Alberta, Canada.