Laboratory characterization of fluid flow parameters in a porous rock containing a discrete fracture
Journal Article
·
· Geophysical Research Letters
- Univ. of Georgia, Athens, GA (United States)
A porous block of volcanic tuff with an embedded fracture was used to perform laboratory-scale water and gas flow experiments for the purpose of obtaining unsaturated fractured rock characterization parameters. Rock matrix properties included porosity, hydraulic diffusivity and the gas-phase diffusion coefficient. Fracture properties included apertures, transmissivity, hydraulic conductivity, and air-entry pressure. Gas tracer experiments using argon and helium are presented for estimating fracture hydraulic conductivity, fracture apertures and rock matrix porosities. 4 refs., 3 figs., 1 tab.
- OSTI ID:
- 150493
- Journal Information:
- Geophysical Research Letters, Journal Name: Geophysical Research Letters Journal Issue: 11 Vol. 22; ISSN GPRLAJ; ISSN 0094-8276
- Country of Publication:
- United States
- Language:
- English
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