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Oh, I just thought of another issue too. A liquid well-control incident with this thing would indeed suck for the reasons given, but there's a lot of gasses down there too. What happens if there's a gas well-control incident?

It could be flammable natural gas. It may or may not burn or explode in the wellbore, since there's not going to be much oxygen down there. How about at the surface though? Flammable gas erupting out your wellbore with this system sounds very not fun. They have megawatts of electricity flowing around, do you think all of that meets industry standards for avoiding explosions in an environment of flammable gasses? I think there's high potential for a very big boom, and maybe the whole well turning into a giant blowtorch you have no way to control.

Or it could be a poisonous gas like H2S. Poisonous gasses billowing out of your wellbore with this system also sounds like a major pain.

So, who wants to come up with a practical way for this thing to deal with that too? The oilfield has proven methods for preventing it in the first place and dealing with it if it happens anyways. Trip your annular blowout preventer, evacuate the rig, and circulate heavy kill mud until the gas stops flowing.

Maybe these guys could flood the well to stop it. Which means they also need to keep many tankers full of fluid on-hand, and after it works, they're back in the initial situation of needing to figure out how to seal the leak and evacuate the fluid again. I seriously can't think of a good way to do any of that.



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