In the link below Saudi announces it is slashing oil exports to the US. US oil production is already down 2 million barrels per day since the beginning of the year. A floor for WTI has been established at $40/barrel and is starting to firm up. With the cut in oil imports into the US expect oil price to continue to rise. Looks like using $40 Flat as a price scenario to sell Noble was a scare tactic used by management to influence the BOD.
https://www.msn.com/en-us/money/markets/saudi-arabia-turns-off-america-s-oil-taps-again/ar-BB17KnvY