Someone with links to some regulatory body in the industry, told me that the rumours abound that this particular well had a double check-valve type affair. And that one of the valves failed.
And was never repaired on economic grounds by the rig operators…
Who are American.
I just think its a tragedy, & sadly one thats likely to happen again as oil reserves once deemed too risky to plunder become more viable due to diminishing reserves in more accesible fields. Imagine what state the Poles will be in when they start drilling them on a big scale.