Tags oil and gas reserves PetroVietnam targets oil and gas increase in 2018 Wednesday, Jan 10, 2018 The Viet Nam National Oil and Gas Group (PetroVietnam or PVN) is targeting an increase of its oil and gas reserves by 10-15 million tonnes in 2018. PetroVietnam aims to increase oil and gas reserves Friday, Jan 06, 2017 The Vietnam National Oil and Gas Group (PetroVietnam) aims to increase its oil and gas reserves to 10-15 million tonnes and contribute VND74.6 trillion to the state budget in 2017.