In one of the most significant unplanned crude shortages of the year, the Forties pipeline system was closed due to a crack, sending oil prices soaring
The closure of one of the most important pipelines in the oil market sent Brent prices soaring on Monday, with one analyst claiming it was “one of the most significant unplanned crude oil shortages we have seen this year”. Oil prices have since lost those gains, with markets apparently recovering from the original price shock.
https://oilprice.com/Energy/Energy-General/Brent-Pipeline-Closure-Confuses-Oil-Markets.html