Kejr Inc.

Jedidiah Eric Davis

Thomas M Christy

A screen point groundwater sampling system includes a drive head positioned between the upper end of a cylindrical housing and a lower end of a probe rod. A latching tool is provided to secure a mechanical pump to the drive head upon insertion of the latching tool into the inner bore of the drive head. The latching tool creates a water-tight seal between the drive head and the inlet of the mechanical pump to prevent contamination of the groundwater sample from water leaking into the probe rod string above the drive head. A frangible structure on the latching tool allows the mechanical pump to be removed from the drive head upon applying sufficient vertical force in an upward direction to shear the frangible structure. The latching tool can also be used to attach a sample tubing to the drive head for use with a pump located at the ground surface.

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Salina, KS, United States of America

Jedidiah Eric Davis