Oil
Oil means all nongaseous hydrocarbon substances other than those substances leasable as coal, oil shale, or gilsonite (including all vein-type solid hydrocarbons). Oil includes liquefiable hydrocarbon substances such as drip gasoline and other natural condensates recovered or recoverable in a liquid state from produced gas without resorting to a manufacturing process.
Source
25 CFR § 211.3
Scoping language
As used in this part, the following words and phrases have the specified meaning except where otherwise indicated: