FILE PHOTO: PetroVietnam oil tanks are pictured in Vung Tau, Vietnam April 27, 2018. Picture taken April 27, 2018. REUTERS/Maxim Shemetov/File Photo HANOI : Affiliates of Vietnam's state oil firm PetroVietnam have made two new oil findings with combined initial reserves of 100.5 million barrels of crude oil, its exploration and production arm PVEP said on Tuesday. The discoveries are essential for the oil industry of Vietnam, which has been struggling to raise its crude oil output due to shrinking proven reserves, amid rising fuel demand.