Guard watches coast for oil slick's first wave

[firstdown]

Originally Posted by saden1

One would think they'd have emergency capping system at the bottom of the sea. I guess simply sticking in a drill is cheaper.

If what I read was correct they have two shut off valves. One failed which shuts off the oil automatically and the other they cannot reach because the structured collasped around the valve. Sounds like they need 4 of them so two will shut off automatically and the others as a back up.