This issue of Arizona Geology notes areas with best potential for future discovery and describes the process of exploring and drilling for oil and gas in Arizona. It summarizes many aspects of the oil and gas exploration and production process incorporating geology, leasing, permitting, engineering (drilling and production), economics/business, environmental concerns, and regulatory responsibilities of an operator. This issue is a good primer for anyone wanting to drill a well in Arizona. Download Here Additional reports about oil and gas in Arizona are available online at the AZGS document repository by clicking here. Current articles about oil and gas are available in Arizona Geology Magazine by clicking here.