 "Crude oil prices have firmed up since Opec’s November 2016 agreement to cut production by 1.2 million barrels per day")
It was meant to be a short, sharp shock. Instead, Opec members are facing a long, slow grind with no end in sight.
The deal reached with several non-Opec countries in 2016 to cut oil supply and drain excess inventories was meant to last just six months. But after last week's ugly slide into a bear market for prices, the agreement looks likely to drag into a third year as the group faces having to make further cuts in 2019.
Taking 1.8 million barrels a
