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Royal IHC: Advancing contactless drilling: Pulsed Power testing at TNO Rijswijk

Posted on December 1, 2025

๐€๐๐ฏ๐š๐ง๐œ๐ข๐ง๐  ๐œ๐จ๐ง๐ญ๐š๐œ๐ญ๐ฅ๐ž๐ฌ๐ฌ ๐๐ซ๐ข๐ฅ๐ฅ๐ข๐ง๐ : ๐๐ฎ๐ฅ๐ฌ๐ž๐ ๐๐จ๐ฐ๐ž๐ซ ๐ญ๐ž๐ฌ๐ญ๐ข๐ง๐  ๐š๐ญ ๐“๐๐Ž ๐‘๐ข๐ฃ๐ฌ๐ฐ๐ข๐ฃ๐ค

Over the past three years, IHC Miningโ€™s Pulsed Power team has been a proud partner in the international DEEPLIGHT Project, playing a key role in developing a new contactless drilling technology based on Electro Pulsed Power (EPP). This technology uses high-voltage electrical discharges to break rock ๐‘ค๐‘–๐‘กโ„Ž๐‘œ๐‘ข๐‘ก mechanical contactโ€”reducing wear, improving efficiency, and enabling new possibilities in hard-rock dredging, underwater mining, and deep geothermal drilling.

And now, our newly developed EPP drilling device is undergoing extensive testing at the TNO – Rijswijk Centre for Sustainable Geo-energyโ€”one of the few facilities capable of safely and realistically simulating deep drilling environments. Suspended in a drilling tower and connected to a full mud circulation system, the device is being pushed to perform under real-world conditions.

These weeks our Pulsed Power team โ€“ Tom Willenbroek, Mohammed Azimi, Robert Plat and Bert van Heesch โ€“ is focusing on:

  • Achievable drilling speeds
  • Energy requirements
  • Optimal operational settings

They are also assessing the deviceโ€™s robustness and reliability, while gaining valuable insights into practical challenges in the drilling industry.

The results from these tests will guide the next round of improvementsโ€”bringing us another step closer to a prototype capable of deep drilling.

Exciting progress toward the future of geothermal energy as a clean and sustainable source of power.

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