It seems that the huge domes to cover the oil geyster did not work, but the fact is that even with the geyster stopped we have a large amount of oil floating on the surface of the ocean. Two gentlemen who most likely distribute Hay, have done a small scale experiment to test their idea. The idea seems very reasonable and the best solution I have seen. I would consider Hay a far better option that spraying chemicals into our oceans to dissolve the oil.
Check out the video here: