The following articles have been published in German language in various professional trade magazines. In order to provide you with the contents, we have translated them into English. You can find the original sources on our german website.
High-pressure impulse technology is transforming well development and rehabilitation in the US market. Compared to conventional jetting and gas impulse methods, the bi-rotational impulse process achieves deeper penetration, higher specific capacity gains and faster project completion without the routine use of chemicals. Find out how this advanced method can improve efficiency and long-term well performance.
Water wells lose capacity over time due to deposits and natural ageing, often long before operators anticipate. Field projects in Germany demonstrate that the HPI-Process®, which uses high water pressure in conjunction with the MAXINOZ® bi-rotational nozzle unit, can efficiently remove blockages and restore capacity in a short operating time. This article summarises the approach […]
Aging wells often deteriorate in performance due to iron and manganese deposits clogging the filter slots and the surrounding gravel pack. A field report from Aichhalden, Germany, shows how an eight-hour High-Pressure Impulse (HPI-Process®) rehabilitation using high-pressure water dramatically restored flow efficiency. The result was a performance increase of over 560%.
Wells often lose performance due to deposits clogging them up, especially in iron- and manganese-bearing groundwater. This makes rehabilitation essential to restore yield and reduce downtime. The HPI-Process® by ETSCHEL Brunnenservice GmbH uses high-pressure water impulses to mechanically remove hardened deposits, eliminating the need for chemical agents. A documented field comparison shows that the patented […]
A practical field test in the Donauried groundwater area compared the new MAXINOZ® nozzle rotation unit from ETSCHEL with the long-used UNINOZ® configuration in the development of high-pressure impulse wells. Across six renovated wells, the MAXINOZ® unit removed significantly more sand and undersize particles, indicating greater effectiveness at greater depths through the gravel pack and […]
Drinking-water wells often lose capacity due to clogging and biological deposits as they age, raising operating costs and risking supply reliability. A field test conducted by a municipal utility in Karlsruhe on ten wells demonstrates how Etschel Brunnenservice’s JET Master® High Pressure Impulse (HPI) process, when combined with the MAXINOZ® nozzle rotation unit, can restore […]
Iron and manganese deposits can steadily reduce the performance of wells, increase energy demand and trigger sand carryover. A field report from the ‘Moos bei Plattling’ well field demonstrates how the HPI (High Pressure Impulse) Process, which is chemical-free, restored free filter slots and significantly improved specific yield using the JET Master® system and the […]
A horizontal filter well can lose performance when fine sand and silt clog screens and gravel packs—especially in older well designs. This case study from Moers (Germany) shows how a purely mechanical rehabilitation using the High Pressure Impulse-Process® with the JET Master® system restored measurable capacity across multiple horizontal strings. The results include string-level gains […]
Newly drilled wells often underperform due to restrictions in flow caused by sand, drilling additives and filter-cake residues. This article explains how the High Pressure Impulse Process® (HPI), which uses high-pressure water, targets these deposits more effectively than conventional development methods. Field and test results demonstrate measurable improvements in both specific yield and sand removal […]
