Articles | Volume 27, issue 24
https://doi.org/10.5194/hess-27-4453-2023
https://doi.org/10.5194/hess-27-4453-2023
Research article
 | 
20 Dec 2023
Research article |  | 20 Dec 2023

A pulse-decay method for low (matrix) permeability analyses of granular rock media

Tao Zhang, Qinhong Hu, Behzad Ghanbarian, Derek Elsworth, and Zhiming Lu

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Short summary
Tight rock is essential to various emerging fields of energy geosciences such as EGS and CCUS, but its ultra-low permeability is not easily measurable as a rigorous and rapid theory-based measurement technique for sub-nanodarcy levels is lacking. For the first time, we resolve this by providing an integrated technique (termed gas permeability technique) with coupled theoretical development, experimental procedures, and a data interpretation workflow.