US Patent 10227851 Consistent entry hole shaped charge
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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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Patent Inventor Names
Mark Allan Pederson0
William Richard Collins0
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Patent Jurisdiction
Patent Number
102278510
Date of Patent
March 12, 2019
0Patent Application Number
153130410
Date Filed
May 21, 2015
0Patent Primary Examiner
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US Patent 10227851 Consistent entry hole shaped charge
Infobox
Is a
Patent jurisdiction
Patent number
10227851
Date of patent
March 12, 2019
Patent application number
15313041
Date Filed
May 21, 2015
Patent primary examiner
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