Petroleum, natural gas and related hydrocarbons and all other gases and substances (whether liquid or solid and whether hydrocarbons or not) produced in association with the petroleum and natural gas and related hydrocarbons contained in an oil and gas reservoir.
Petroleum, natural gas and related hydrocarbons and all other gases and substances (whether liquid or solid and whether hydrocarbons or not) produced in association with the petroleum and natural gas and related hydrocarbons contained in an oil and gas reservoir.