High voltage explosive assembly for downhole detonations
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United States of America Patent
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Dec 26, 2017
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N/A
app pub date -
Dec 9, 2014
filing date -
Aug 20, 2011
priority date (Note) -
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Abstract
A downhole explosive detonation comprises a high voltage electro-explosive initiator comprising an input high voltage power supply with a low impedance shunting fuse, a flexible electrical link and a capacitor discharge unit. Explosive is initiated in a direction approximately parallel, or in another version perpendicular to the capacitor discharge unit. A unique configuration and construction of the assembly allows installation through a small service port in the gun housing structure for more efficient gun arming. A real time downhole voltage monitoring is described that transmits voltage readings to the surface during a firing sequence.
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