Subsea blowout preventer - Deepwater Horizon (video)
This is an animated illustration of what the subsea blowout preventer from Cameron looks like on Deepwater Horizon and what happened to it during the Macondo blowout event.
See also
This is an animated illustration of what the subsea blowout preventer from Cameron looks like on Deepwater Horizon and what happened to it during the Macondo blowout event.