they probably get it at my generalized level of description but making it all work properly is extremely complex. I’d bet that when oil prices are high, DOD has a very difficult time retaining shaped charge experts. I only sat in on couple talks by those guys but was really interesting for anybody that likes stuff that goes boom.
One more thing: same sort of situations that can defeat shaped charges in combat can also defeat them in a well. If different charges along the cylinder are different distances from the tube wall or if the tubes are not perfectly concentric, then I’d expect heterogeneities in hole sizes and penetration. Things like bends in tubing can create problems. I’d bet there are many others. Tool technology that minimizes those effects is useful and the sort of thing that would b useful to know whether it is part of their technology.
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