In this section
Our research includes exploring fundamental pore scale fluid dynamics, developing digital rocks analysis techniques, increasing the accuracy of field scale reservoir simulation, and evaluating the feasibility of scaling up CO2 storage to climate relevant scales.
StrataTrapper Advanced Modelling of CO2 Migration and Trapping
THMC4CCS: ThorougH experiMental and numerical investigation of Coupled processes for geologiC Carbon Storage
@inproceedings{Jackson:2018:10.3997/2214-4609.201802949,
author = {Jackson, S and Mayachita, I and Krevor, S},
doi = {10.3997/2214-4609.201802949},
title = {High resolution modelling and steady-state upscaling of large scale gravity currents in heterogeneous sandstone reservoirs},
url = {http://dx.doi.org/10.3997/2214-4609.201802949},
year = {2018}
}
TY - CPAPER
AB - We investigate the impact of small-scale heterogeneities (<10m) and gravity on large scale O(100m) lateral CO2 plume migration at varying capillary number, Nc and gravity number, Ngv. For isotopically correlated heterogeneities, plume migration was slowed signicantly at low Nc and high Ngv. For anisotropic cases akin to sedimentary geological structures, the plume speed was correspondingly enhanced, with breakthrough times reduced by up to 20% at large correlation lengths. Using relative measures, the capillary pressure was found to be the major control on plume migration as opposed to permeability, at low Nc. Using single, homogenized upscaled functions, we were able to capture the effects of small scale heterogeneities at low or high Nc and moderate Ngv. However, the relative enhancement of the impact of heterogeneities at high Ngv (and low Nc) could not be captured using single homogeneous functions for the entire domain. Without including enhanced gravity effects in the upscaling procedure, which generate anisotropic upscaled functions, the full effects of small-scale heterogeneities in gravity segregated flow could be signicantly underestimated in large scale models, leading to inaccurate plume migration estimates.
AU - Jackson,S
AU - Mayachita,I
AU - Krevor,S
DO - 10.3997/2214-4609.201802949
PY - 2018///
TI - High resolution modelling and steady-state upscaling of large scale gravity currents in heterogeneous sandstone reservoirs
UR - http://dx.doi.org/10.3997/2214-4609.201802949
ER -