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Øystein Andersen

The drilling engineering software iQx played a pivotal role in achieving the successful drilling of the inaugural well at the Graben-Neudorf geothermal plant developed by Deutsche Erdwaerme.

The initial testing of the well drilled near Karlsruhe, Germany, concluded with remarkable success, exceeding expectations. As a result, the Graben-Neudorf-1 borehole now stands as Germany’s deepest borehole, reaching a temperature record of 4,000 meters. The temperature recorded exceeded 200°C from the geothermal water in the Deutsche Erdwaerme geothermal plant project borehole.

AGR’s drilling engineering software iQx was applied during well design and well completion. Implementing iQx Ex application, the immediate benefits of recording and analyzing experiences was the ability to identify what went well and what could have been improved during the drilling process. This self-assessment allowed Deutsche Erdwaerme to fine-tune their procedures, equipment, and ultimately enhance their capabilities for next drilling in the project.

Another crucial aspect was measuring performance against initial well time and cost estimates. The actual time and cost data collected in iQx CT was compared to the original projections modelled in iQx PLANS probabilistic time and cost application, enabling the Deutsche Erdwaerme drilling team to gauge the accuracy of their predictions. This performance evaluation was vital not only for internal purposes but also for keeping stakeholders informed about the project’s progress.

Furthermore, the data gathered was valuable for refining time and cost estimates for future wells and ensured that resources were allocated optimally.

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