Denver-based Gasco Energy (AMEX:GSX) is an independent exploitation and production company focused on developing tight gas sands in the United States Rocky Mountains. The company’s leasehold is in two prolific hydrocarbon-bearing basins, the Uinta Basin of Utah and the Greater Green River Basin of Wyoming. SEC-defined proved reserves at December 31, 2006 were 42.2 Bcfe, 100% of which were in Utah and 95% were natural gas. Gasco's properties are located near major pipelines in the Rocky Mountains. Questar's 20-inch diameter system passes through Gasco's Riverbend Project. Additional gas deliverability is available to markets on both U.S. coasts through several interstate and intrastate pipelines including: Colorado Interstate Gas, Northwest Pipeline, El Paso Natural Gas, Questar, the Pony Express Pipeline, Trailblazer Pipeline, TransColorado, and the Kern River Pipeline.