Geothermal Drilling.
Status Quo Our drilling site Schleidberg.
Our first drilling site, called “Schleidberg”, is currently being built in the north-east of the Insheim district. Currently, we are in the construction phase. This forms the basis for drilling the deep boreholes with our drilling rig at a later date. The drilling site construction phase also includes the installation of the standpipes. The standpipes play an important role in groundwater protection, as they form an impermeable barrier between the thermal water and the groundwater. As soon as the drilling work has been completed, thermal water can be extracted. The heat from the thermal water can then be captured at the drilling site and distributed to the surrounding communities. The Schleidberg drilling site will therefore play an important role in the redundant heat supply of Insheim and the entire project.
Procedure of a Drilling.
- Using seismic results to find a site
- Purchase of property
- Preparation of the drilling construction site
- Erection of drilling rig and equipment
- Start of drilling
- Closing work
- Connection and commissioning
Groundwater protection Standpipes.
To protect and insulate the groundwater, the aquifers are secured with so-called standpipes. The uppermost aquifer is penetrated with a thick-walled steel pipe. The subsequent drilling is carried out in several phases, with each section being secured by a further standpipe. Once the target depth of each section has been reached, the borehole is cased and the intermediate space cemented. The diameter decreases from section to section. The multi-walled steel pipes with additional cementing create several impermeable layers that separate the aquifer from the thermal water. Furthermore, permanent groundwater monitoring provides additional safety for the protection of the groundwater.
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