General Info

Nance Petroleum is a subsidiary of St. Mary Land & Exploration Company, which is involved in the exploration, exploitation, development, acquisition and production of natural gas and crude oil. The company operates in five core areas throughout the United States. St. Mary Land & Exploration Company invests in oil- and gas-producing assets. It focuses on mature basins and has long-term relationships with suppliers and prospect generators. The company has nearly 700 billion cubic feet of proven reserves. Nance Petroleum is located in Billings, Mont.