Terms for subject Oil and gas containing indigenous production

English	Russian
indigenous gas production	внутренняя добыча газа (добыча внутри страны 'More)
indigenous production	внутренняя добыча (добыча (нефти, газа) внутри страны eg. It illustrates the flow of gas from the point at which it becomes available from indigenous production or imports to the eventual final use of gas 'More)