Downhole filter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 22, 2006
Grant Date -
Jul 8, 2004
app pub date -
Oct 24, 2003
filing date -
Oct 25, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A downhole filter comprises a tubular member having a wall defining a plurality of openings. The openings have an outer width less than an inner width. The parts of the opening defining the smaller width are defined by radially outer parts of the openings, such that particulates or sand prevented from passing through the openings will tend to be retained to the outside of the tubular member.
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Cited Art Landscape
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