,,Sources quoted by Reuters and WSJ said the strikes had reduced production by five million barrels a day - nearly half the kingdom's output.''
,,The Khurais oilfield produces about 1% of the world's oil, and Abqaiq is the company's largest facility - with the capacity to process 7% of the global supply.''
,,The Saudi air force has been pummelling targets in Yemen for years. Now the Houthis have a capable, if much more limited, ability to strike back. It shows that the era of armed drone operations being restricted to a handful of major nations is now over.''
Source : BBC