Oil actually does leak out of the gulf when the sea bottom shifts. Not anywhere near the amount portrayed in here but naturally it does happen. Think of it like a fart.

This has been covered up because there are companies that are fighting over who gets the rights to drill. The pocket for this particular well is enormous and can probably produce for 10-15 years. The engineers are trying to figure out where to position the next deck. Sad part is the deck still needs to be fabricated along with the piping. That's a good 2-3 years of fabrication.