If it only started with an explosion on the rig, that would be possible but still not likely.
But it would be extremely difficult to cause a blowout from the deep reservoir first, then the multiple things that followed to get us to the point we are today.
Then we have storys of....
"FEDERAL INVESTIGATION: The Obama administration has launched a full investigation of last week's oil rig explosion. Homeland Security Secretary Janet Napolitano and Interior Secretary Ken Salazar say they will devote every available resource to the inquiry.
http://www.dallasnews.com/sharedcontent/dws/news/texassouthwest/stories/DN-oilrigbox_28tex.ART.State.Edition1.4c79fd6.html
Yea I just feel better already...