| Title | Estimation of Fracture Porosity and Permeability Using Radon as a Tracer |
|---|---|
| Authors | T. KUO |
| Year | 2019 |
| Conference | Stanford Geothermal Workshop |
| Keywords | Fracture porosity; Permeability; Radon; Strain; Earthquake |
| Abstract | A quantitative method using the precursory radon decline as a tracer to estimate fracture porosity and permeability is presented with the help of a case study. In an undrained fractured aquifer, the in-situ volatilization of dissolved radon could cause a decline of groundwater radon precursory to an earthquake. Based on the mechanisms of in-situ radon volatilization, mathematical models have been developed to correlate the radon decline with fracture porosity and permeability in the aquifer rocks. |