Multi-capacitor system for electromagnetic logging tool

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United States of America Patent

PATENT NO 8836335
APP PUB NO 20130335091A1
SERIAL NO

13495182

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus for estimating a property of an earth formation penetrated by a borehole includes: a borehole carrier; a first switchable-magnet; a first energy storage device coupled to the first switchable magnet; a second switchable-magnet; a second energy storage device coupled to the second switchable-magnet; at least one voltage source having a first polarity and a second polarity opposite of the first polarity; and an electrical circuit configured to charge the first energy storage device and the second energy storage device at the same time and to sequentially discharge the first energy storage device and the second energy storage device, the electrical circuit being further configured to charge the first and second energy storage devices to the first polarity and then charge the first and second energy storage devices to the second polarity after the first and second energy storage devices are discharged.

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Patent Owner(s)

  • BAKER HUGHES INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Morris, Steven Allen Spring, US 6 23

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