German Water and Energy Group

Well rehabilitation and repair

Well rehabilitation and repair of wells is a subject which will be considered more and more and specially for cost reason. The necessity could be for many reasons, like:   Incrustation of the screen sections due to chemical/biological processes Clocking of slots due to small slot width Corrosion due to not adequate screen material Mechanical damages during installation and operation Later installation of sealing of annular space behind the casings Drawdown of the static water level A range of possibilities are available for rehabilitation and repair:   Removal of incrustation by mechanical systems and or chemicals Removal of incrustation Additional installation of none corrosive casing and screens Direct opening of casing and screens by mechanical and/or explosive perforation Cutting of old screens, extension of depth and installation of a new screen string For the rehabilitation technology as well as for the selection of material the support of our experts are available free of charge.