312 IAC 29-2-100 "Petroleum storage well" defined

Sec. 100. "Petroleum storage well" means a well that is used for the injection of: (1) petroleum, other than crude oil, coal bed methane, or natural gas; or (2) any hydrocarbon that is a gas under standard temperature and pressure other than coal bed methane or natural gas; into an underground geologic formation or structure or the subsequent withdrawal therefrom. The term does not include a well that is used for the injection or withdrawal of any hydrocarbon that is a liquid at standard temperature and pressure. For purposes of this article, the term includes propane and butane or mixtures thereof, also commonly referred to as liquid petroleum gas.