Earlier quoted context omitted.
That's not a stupid question it's an excellent one. If you don't take delivery you're in breach of contract. The penalties for that are going to depend on how the judicial process works out. This has never happened before, so I don't know how it will play out other than that it's going to be wildly messy. Probably far messier than anyone, myself included, is imagining.
At the risk of sounding stupid, I have to ask... Would it be possible to simply pump the oil back into the ground wherever the closest oil field is?
https://www.mlive.com/news/2016/01/michigan_has_most_undergr...
Also there's some underground cave like structures East of Grand Rapids where they store fuel as well.