Saudi Arabia and Russia are gambling with oil supplies | The Strategist

"However, Moscow declared it had had enough. While Russia had kept its oil wells idle, the US shale industry had added more than 1 million barrels a day to world supplies. Further cuts would simply hand further gains to the Americans. Moscow has also been angered by the US’s imposition of sanctions on contractors working on Russia’s Nord Stream 2 gas pipeline to Germany and also on its oil company Rosneft over its assistance to Venezuela."