OIL FILTER FOR DOWNHOLE MOTOR
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United States of America Patent
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Issued Date -
Apr 28, 2011
app pub date -
Jan 31, 2008
filing date -
Jan 31, 2008
priority date (Note) -
Abandoned
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Abstract
An oil filter for use in an electric motor forming part of a downhole device such as an ESP, comprising a two-part filter including a first part formed from a porous material which acts to filter solid particulate material from the motor oil, and a second part comprising a sorbent for removing aqueous liquids from the motor oil.
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