73 posted on 05/29/2010 2:51:13 PM PDT by Sooth2222
("Suppose you were an idiot. And suppose you were a member of congress. But I repeat myself." M.Twain)
Since I first heard how a BOP works I’ve been amazed it didn’t have a spring return to a failed closed position. Why the hydraulic system was blown up, the valve would not work. That’s HAZOP step 1.
