Oil Units is a fast and accurate unit conversion application for the oil and gas industry. It has many features, including: Over 350 units categorized in four areas: drilling, production, fluid properties, and general. Full descriptions of units and their symbols. Energy equivalent units. A simple and beautiful interface, designed for the field: no Internet connection is required. Test-run the application on www.petroleumapps.com/oilunits (Safari or Chrome only.)