Bakken drillers could struggle to grow oil production as they may soon run into transportation bottlenecks. The latest snag comes from a new law in Washington State, set to take effect at the start of 2020, that would prevent refineries in the state from unloading oil from a rail car that has a Reid vapor pressure over 9 psi. That metric is a measurement of volatility in the oil. Importantly, a lot of oil from the Bakken has vapor pressure over that threshold. The law is aimed at reducing the risk of explosive train derailments that reached epidemic…
