What the Feds handed BP was a $68 Million "running tab" for reimbursement of the government's efforts to clean up the spill. It's the first of probably many such bills.
BP's problem right now isn't financial- that have the reserves to pay these bills. BP's big problem is its current public image, and that image isn't being helped by a CEO who makes makes dumb statements like "when you consider the amount of oil spilled, compared to volume of water in the Gulf, it's actually rather tiny." And this gem: "I'd like my life back."
He even went on to respond to the people holding protests against BP by using that old line about sticks and stones may break my bones... I don't he gets that with every indifferent, callous word he utters, he's directing people to get sticks and stones. :eyerole
As others have said, the BP rig was an experimental one that was not part of the "grid." So it's spill isn't affecting world oil supply, and therefore price. What will affect price is Obama's edict halting all off-shore drilling. The statistic I read is that we get 48% of our domestic supply from the Gulf.