Redundant firing system for wellbore tools
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United States of America Patent
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Oct 18, 2016
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app pub date -
Apr 1, 2015
filing date -
Apr 3, 2014
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Abstract
An apparatus for detonating an explosive body associated with a downhole tool includes a plurality of firing heads, each firing head including an initiating explosive body generating a high-order input when detonated; and a funnel configured to detonate the explosive body associated with the downhole tool by using a single high-order output. The funnel has a body that includes: a plurality of input openings, each input opening positioned next to an associated initiating explosive body to receive the generated high-order input, a single output opening, and a flow path connecting the plurality of input openings with the single output opening.
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