DEVICE AND METHOD FOR ENHACNING WELL PERFORATING
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United States of America Patent
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Issued Date -
Apr 18, 2019
app pub date -
Apr 4, 2018
filing date -
Oct 18, 2017
priority date (Note) -
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Abstract
A perforation enhancement cap for a shaped charge contains a shell and a pack of a solid propellant disposed inside the shell. The shell has a tubular straight section and a rounded cap. The rounded cap has a hole. The propellant pack has a through hole. The straight section, the rounded cap, the hole in the rounded cap, as well as the through hole are disposed about a common longitudinal axis. The through hole has a conical frustum section with its larger base facing the inside of the enhancement cap. The enhancement cap is adapted to receive the shaped charge to-form an enhanced perforation charge assembly for perforation and fracturing the formation.
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