REVERSE BURN POWER CHARGE FOR A WELLBORE TOOL
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United States of America Patent
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Issued Date -
Dec 3, 2020
app pub date -
May 28, 2020
filing date -
May 29, 2019
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Abstract
A power charge and method for actuating a wellbore tool with a power charge. The power charge may include a first volume containing a first energetic material and a second volume containing a second energetic material positioned within the first energetic material. The second energetic material may be a faster burining material compared to the first energetic material. The wellbore tool may include a power charge cavity, an initiator positioned in an initiator holder adjacent to the power charge within the power charge cavity, and a gas diverter channel for directing to an expansion chamber gas pressure generated by combustion of the power charge, to actuate the wellbore tool. The method may include inserting the initiator into the initatior holder within the power charge cavity and initiating combustion of the first energetic material and the second energetic material.
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