This report records the mineralogy of core samples from two wells in Phillips County, Montana. These wells are located in the Bowdoin gas field in north-central Montana. The gas is produced from low-permeability reservoirs at shallow depths (less than 610 m) over an area of 1554 km2.
This information is being released to aid in improving recovery technology and well log interpretation. We acknowledge the financial support of the Department of Energy Tight Gas Sands program.