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Originally posted by icecold7
reply to post by who-me?
and what is the news then u tell me
Originally posted by who-me?
There seems to be something being missed here, this acoustic shut off mentioned in the OP does not turn off the oil flow. Get it? It is a control method and means of communication to make the BOP's shut off valves operate.
The actual BOP's valves failed to work. This is the problem. It doesn't matter how many control systems or backups you have or if they are electronic, hydraulic, pneumatic, manual or acoustic.
Ok here's an analogy "It doesn't make any difference which hand you use, if the light switch is broken, the light won't come on will it."
I can't be much cleared than that.