Sample extraction system for boreholes
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United States of America Patent
Stats
-
May 29, 2007
Grant Date -
Dec 30, 2004
app pub date -
Jul 1, 2004
filing date -
Mar 20, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For use in drawing samples of e.g water from a well. The sampling pipe is formed as an extrusion in polyethylene. The profile includes three equi-spaced channels. The profile, being triangulated, is rigid and resistant to buckling, which allows the sampling pipe to be coiled for transport to the site. Sample-tubes, pumps, etc, can be inserted into the channels. The channels can be plugged for isolation of sampling ports at different depths.
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Cited Art Landscape
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