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Abstract

Summary

Brine intrusion into drinking water resources induced by energy or carbon storage operations in the deep subsurface are a major concern when employing these storage options. A modeling study of salt leakage from a deep storage formation into a drinking water aquifer is conducted, where brine leakage is induced by injection of salt water. Results show that salt rises due to injection pressures and thermohaline circulation, with permeability being the most sensitive parameter. Salt is rising to the drinking water aquifer by geological layer to layer, so that brine not from the deepest formation but the formation below the aquifer is shifted to the aquifer. Numerical tests show that the model code used can be used on meshes on the order of millions of nodes, thus allowing for a realistic representation of the induced flow and transport processes.

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/content/papers/10.3997/2214-4609.201414249
2015-10-13
2024-04-18

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References

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Assessing the Impact of Deep Brine Injection on Shallow Drinking Water Resources
Conference Proceedings 2015, 1 (2015); https://doi.org/10.3997/2214-4609.201414249
/content/papers/10.3997/2214-4609.201414249
/content/papers/10.3997/2214-4609.201414249
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