OPTIMAL PHASING OF CHARGES IN A PERFORATING SYSTEM AND METHOD
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United States of America Patent
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Sep 28, 2017
app pub date -
Mar 24, 2016
filing date -
Mar 24, 2016
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Abstract
An optimal phasing perforating phased gun system and method for accurate perforation in a deviated/horizontal wellbore is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with shaped charges in clusters. Within a cluster, the charges are separated into individual banks with a phase angle between the charges in each bank and an offset angle between banks. The number of charges per cluster, the phase angle and the offset angle are optimized such that there is a maximum probability of perforating into a low compression region in an upward and downward direction.
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