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Pump-Down Packer Systems (PDPS)

Pump-Down Packer Systems (PDPS)

Model:PDPS
Country of Origin:Switzerland
Use:The execution of hydrogeological tests in horizontal boreholes during the boring operation under high groundwater pressures requires special measuring equipment.

Pump-Down Packer Systems (PDPS)

The execution of hydrogeological tests in horizontal boreholes during the boring operation under high groundwater pressures requires special measuring equipment.

Solexperts developed the so called Pump-Down Packer System, which is based on the cable core drilling methods. The packer system, as in the case of the inner core barrel, pumping is carried out through the drill string and at the end of the test, with the aid of an overshot and the wireline, it is retrieved.

By means of a loading chamber and a valve at the entrance to the borehole, the PDPS can be safely installed and removed. The borehole can be closed at any time, since no testing rod or cable is used.

The PDPS can also be used in the case of long boreholes, since the installation and removal times for the system and thus the operating times of the drilling equipment can be reduced considerably compared with conventional testing systems with testing rods and cables.

icon_pdf  Information sheet for the «Hydrologic Investigation using the Pump-Down-Packer System» as PDF

Picture
1. PDPS latching head    2. PDPS latching head and access valve    3. Monitoring of pumping phase

bild 01 prod ts pdps v2   bild 02 prod ts pdps v2   bild 03 prod ts pdps v2

 

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