Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark Allan Pederson0
William Richard Collins0
Date of Patent
March 12, 2019
0Patent Application Number
153130410
Date Filed
May 21, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus and method for specialized shaped charges that perforate similar sized diameter holes regardless of the fluid gaps between the shaped charge and the casing wall. Shaped charges having three conical or frusto-conical liner sections are disclosed, where the apex liner section has a larger conical angle than the outer liner section are disclosed.
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