In this subchapter:
(1) "Underground hydrocarbon storage facility" or "storage facility" means a subsurface sand, stratum, or geological formation used for the underground storage of hydrocarbons, and includes surface or subsurface rights and appurtenances necessary for the operation of the facility.
(2) "Hydrocarbons" means oil, gas, or products of oil or gas, as those terms are defined by Section 85.001 of this code.
(3) "Waste" means surface or subsurface waste, as defined by Section 85.046 of this code, of hydrocarbons, including, but not limited to, the physical or economic waste or loss of hydrocarbons in the creation, operation, maintenance, or abandonment of an underground hydrocarbon storage facility.
(4) "Commission" means the Railroad Commission of Texas.