I would think that would work,at least temporarily,I think the main issue they may be fighting is the depth of the water,there are a few companies that specialize in unmanned subs built just for this type of thing,lord only knows what they have even tried. Someone needs to just man up and do it. If anything else this should start a precedent as what not to do in such a disaster. Cleaning it all up if they ever cap it is gonna take the longest amount of time.They should just light it on fire like they were going to originally.