FrozenNorth wrote:

A hack-saw could have easily cut the communication wires to the BOP.
I don't think BOPs are autonomous devices (like a sprinkler system).
How could a BOP know the rig above it has caught fire or been blown
away? Bwhahahahaha!


Less pressure or increased flow come to mind.

Right. That's the way I would design it. But that implies some sort of
self-awareness on the part of the BOP. We don't know whether they are that
smart.