Editor's note: The OPEC Secretariat refuted claims made in the WSJ story mentioned below, stating that the conference call referenced by WSJ never occurred.
Saudi Energy Minister Prince Abdulaziz bin Salman has warned fellow OPEC+ ministers that if other producers continue to flout their output quotas in the agreement, oil prices could slump to $50 per barrel, The Wall Street Journal reported on Wednesday, citing OPEC delegates who attended a conference call last week.