There is a shaped charge (400) for making an asymmetrical perforation into a casing. The shaped charge (400) includes a case (402) extending along a symmetry axis X and having a back wall (404) and an open end (409); an explosive material (410) located within the case (402); a liner (420) located within the case (402), over the explosive material (410); a booster material (430); and an asymmetrical feature. The asymmetrical feature is selected to generate an asymmetrical perforation into the casing.
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