Field gas used as fuel to run drilling equipment, compressor engines and other stationary internal combustion engines not used on the roads of this state: Provided , That any royalty payments shall have previously been paid to the appropriate mineral owners pursuant to the terms of any existing lease. For purposes of this exemption, "field gas" means "natural gas" or any derivative thereof, extracted from a production well, storage well, gathering system, pipeline, main or transmission line that is used as fuel to power field equipment. The term "Sfield gas" does not include compressed natural gas, liquefied natural gas, liquefied petroleum gas, gasoline, diesel, kerosene or other fuels used to power motor vehicles.
Field gas used as fuel to run drilling equipment, compressor engines and other stationary internal combustion engines not used on the roads of this state: Provided, That any royalty payments shall have previously been paid to the appropriate mineral owners pursuant to the terms of any existing lease. For purposes of this exemption, "field gas" means "natural gas" or any derivative thereof, extracted from a production well, storage well, gathering system, pipeline, main or transmission line that is used as fuel to power field equipment. The term "field gas" does not include compressed natural gas, liquefied natural gas, liquefied petroleum gas, gasoline, diesel, kerosene or other fuels used to power motor vehicles .
W. Va. Code § 11-14C-9a