I am told that there has been occasions when explosions are used to either break or cap wells - not this deep (as you say). But the point is that there is exper

I am told that there has been occasions when explosions are used to either break or cap wells - not this deep (as you say). But the point is that there is experience in such an activity; and those people seem to be pretty much saying the same as yourself (we don't have the experience)