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Herrenknecht sets new drilling length record

The Terra Invader 350 ‘InnovaRig’ from Herrenknecht Vertical has set a new drilling length record of 4,937m while drilling for hot, thermal water in the Bavarian community of Kirchweidach.

The record was set while drilling the first of two planned wells for a new geothermal-powered electricity and heating plant.

The rig, which features a hook load of 410t, was operated by H Anger’s Söhne. It was specially developed in 2006, for tapping geothermal power at great depths.

The planned geothermal power plant will involve two diverted wells at maximum depths of 4,000m. The plant will have an installed output of 6-8MW. Up to 13,000MWh of heat will be decoupled per year and made available to consumers.

Owned and operated by GEOenergie Kirchweidach, the plant is due to be commissioned in mid-2012.


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