R850-21-200. Classification of Oil, Gas and Hydrocarbons

Oil, gas and hydrocarbon leases may cover oil; natural gas, including gas producible from coal formations or associated with coal-bearing formations; natural gas liquids; other hydrocarbons (whether the same is found in solid, semi-solid, liquid, vaporous, or any other form); sulfur; helium; and other gases not individually described. The oil, gas and hydrocarbon category shall not include coal, oil shale, asphaltic-bituminous sands or gilsonite.