Stable Arch
Stable Arch :
(n.) Perforating. The geometric profile around a correctly placed perforation. With the removal of perforating debris and the crushed zone by flushing orstimulation treatment, the exposed formation forms an arch that is capable of withstanding the differential pressure and the forces created by fluid flowduring production. An unstable formation interface, such as shattered formation surrounding the perforation tunnel, may result in plugging or collapse of the perforation tunnel. See: Crushed Zone, Differential Pressure
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