Integrated Reservoir Studies in Stripper Oil and Gas Fields

The potential of stripper oil and gas fields for energy supply is large.With increasing energy demand, integrated reservoir studies, secondary and tertiary recovery, and infill drilling are becoming more common.The objective of this book was to optimize oil and gas production from stripper well fields.We integrated geologic and engineering data to build a detailed reservoir model for a stripper gas field.The objective was to provide insights to controls on gas production.For the stripper oil field,we evaluated the Green River formation of Monument Butte field,Utah. 3D geostatistical realizations were ranked using streamline simulation.Interwell connectivity vs well spacing was evaluated. A water-flood-only strategy provides more oil recovery than a primary-then-water-flood strategy.Infill drilling may effectively produce unswept oil and double oil recovery. CO2 injection is much more efficient than N2 and CH4 injection.Water-alternate-CO2 injection is superior to continuous CO2 injection.The results of this study should be applicable to similar stripper gas and oil fields. Together, the two studies demonstrate the use of integrated reservoir studies for improving oil and gas recovery.