OPTIMAL PHASING OF CHARGES IN A PERFORATING SYSTEM AND METHOD
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United States of America Patent
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Mar 28, 2017
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Mar 24, 2016
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Abstract
An optimal perforating gun method for accurate perforation in a deviated/horizontal wellbore is disclosed. The method includes a gun string assembly (GSA) deployed in a wellbore with shaped charges arranged in rows in a cluster and a total number of the shaped charges is equal to a total number of the rows. A total number of charges for each cluster in a stage is selected with the best statistical probability for a desired number of perforations in the cluster. The number of charges and the number of rows per each cluster in a stage is 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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