A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Filters
Mineralogical and transport controls on the evolution of porous media texture using direct numerical simulation
2017
Water Resources Research
Preserved Fulltext
Acknowledgments This material is based upon work supported as part of the Center for Nanoscale Control of ...
In the latter, pore-scale textural changes coexist and interact with larger-scale processes such as the rapid growth of high-flow velocity pathways in the porous medium domain. ...
processes of flow and reactive transport. ...
doi:10.1002/2016wr020323
fatcat:uf3p4tf2ora65ly3knyhcx6tuq
Geophysical monitoring and reactive transport modeling of ureolytically-driven calcium carbonate precipitation
2011
Geochemical Transactions
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2011; you can also visit the original URL.
The file type is application/pdf.
Reactive transport modeling with TOUGHREACT successfully simulated the changes of the major chemical components during urea hydrolysis. ...
Reactive transport modeling results, geophysical monitoring data and micro-CT imaging correlated well with reaction processes validated by geochemical data. ...
Department of Energy, Office of Science, Office of Biological and Environmental Research under Awards DE-AC02-05CH11231 to LBNL and DE-FG02-07ER64404 to Robert Smith (U. Idaho). ...
doi:10.1186/1467-4866-12-7
pmid:21943229
pmcid:PMC3224111
fatcat:j5uedkr4lbcddnqfsggh3qyti4
Pore Scale Modeling of Reactive Transport Involved in Geologic CO2 Sequestration
2009
Transport in Porous Media
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
This work may shed some light on the fundamental physics occurring at the pore scale for reactive transport involved in geologic C02 sequestration. ...
The effects of porous media structure on reactive transport are investigated. The results are compared with continuum scale modeling and the agreement and discrepancy are discussed. ...
However, the underlying physical properties/processes associated with various growth methods are not clear and need to be identified through high resolution microscopic experiments. ...
doi:10.1007/s11242-009-9443-9
fatcat:mhwqwb2mwzeidjhq4xi6gfniei
Reactive Transportmodelling and Long Term Behaviour of CO2Sequestration in Saline Aquifers
2005
Oil & Gas Science and Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
The simulations highlight the performance of the reactive transport codes, particularly the possibility to represent in detail a source (or sink) term with the dissolution of the CO 2 bubble (or the precipitation ...
This study aimed at investigating the possible benefits of reactive transport modelling in the context of CO 2 sequestration. ...
ACKNOWLEDGEMENTS This study was realized by Aurélie Pipart as a part of her post-graduate work, at the École des mines de Paris, with financial support of Électricité de France. ...
doi:10.2516/ogst:2005014
fatcat:47bcmhwgsva67btsjdde72sdlq
An Overview of the Status and Challenges of CO2 Storage in Minerals and Geological Formations
2019
Frontiers in Climate
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
minerals, the permeability evolution, the pressure build-up in the reservoir, the large-scale impact of chemicophysical processes leading to clogging or cracking, the effects of potential geochemical ...
According to the IPCC (IPCC Special Report, 2018), atmospheric warming should be <2 • C to avoid the most serious consequences associated with climate change. ...
ACKNOWLEDGMENTS We also acknowledge the committee and staff from National Academies of Sciences, Engineering, and Medicine report, Negative Emissions Technologies and Reliable Sequestration: A Research ...
doi:10.3389/fclim.2019.00009
fatcat:iufnuaff55fojnns5hrc2wrhbq
Diagenetic Influence on Fracture Conductivity in Tight Shale and CO2 Sequestration
2014
Energy Procedia
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
The presence of quartz in shale gives a reasonably high mechanical strength whereas clays make shale easily deformable with a potential to creep. ...
Most sedimentary rock formations (tight or highly porous) have geochemical characteristics that can lead to significant reactive ion exchange processes in aqueous media in the presence of carbondioxide ...
Acknowledgements Funding for this research work was generously provided by the Craft & Hawkins Department of Petroleum Engineering, Louisiana State University and the GDL Foundation, Austin TX. ...
doi:10.1016/j.egypro.2014.11.532
fatcat:ijsujwogonbx3mitnzi37v6chi
Review of pore network modelling of porous media: Experimental characterisations, network constructions and applications to reactive transport
2016
Journal of Contaminant Hydrology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Pore network models have been applied widely for simulating a variety of different physical and chemical processes, including phase exchange, non-Newtonian displacement, non-Darcy flow, reactive transport ...
Current applications of pore network models are considered, with special emphasis on the effects of adsorption, dissolution and precipitation, as well as biomass growth, on transport coefficients. ...
Jivkov acknowledges the support of EPSRC via grant EP/K016946/1, "Graphene-based membranes", of EdF R&D for the Modelling & Simulation Centre, and of BNFL for the Research Centre for Radwaste & Decommissioning ...
doi:10.1016/j.jconhyd.2016.07.002
pmid:27442725
fatcat:24i6r2wkh5ci7m2ckbybhmwhhe
Carbon dioxide sequestration in underground formations: review of experimental, modeling, and field studies
2020
Journal of Petroleum Exploration and Production Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Some major challenges associated with CO2 injection have also been highlighted. ...
A considerable amount of research has been conducted in simulating and modeling CO2 sequestration in the subsurface. This review highlights some of the latest contributions. ...
Challenges associated with CO 2 sequestration Several challenges are associated with the implementation of a CO 2 sequestration project. ...
doi:10.1007/s13202-020-01028-7
fatcat:56rm73l7hzcpheeife4qxfolou
CO2–brine–caprock interaction: Reactivity experiments on Eau Claire shale and a review of relevant literature
2012
International Journal of Greenhouse Gas Control
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2014; you can also visit the original URL.
The file type is application/pdf.
More attention is required on the potential pore scale reactions that may become significant given the long time scale associated with geological carbon storage. ...
Carbonate and feldspar dissolution is reported in most studies, along with clay and secondary carbonate precipitation. ...
Department of ...
doi:10.1016/j.ijggc.2012.01.012
fatcat:yqtsergvpjcnhdwpmsxi7o4zme
The Influence of Microporous Cements on the Pore Network Geometry of Natural Sedimentary Rocks
2019
Frontiers in Earth Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
We investigate the pore network geometry and permeability of six natural sandstones and carbonate rocks. ...
beyond the resolution of the image. ...
ACKNOWLEDGMENTS The authors acknowledge insightful suggestions from Yiqiao Wu on the pore network models of the carbonate rocks. ...
doi:10.3389/feart.2019.00048
fatcat:5xt7qctm2reifnpetv5hgbkb6m
Reactive transport modeling: An essential tool and a new research approach for the Earth sciences
2005
Earth and Planetary Science Letters
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2015; you can also visit the original URL.
The file type is application/pdf.
in natural media, and scaling of reactive transport processes from the microscopic to pore to field scale. ...
Active topics of research include the development of pore scale and hybrid, or multiple continua, models to capture the scale dependence of coupled reactive transport processes. ...
Nicholas Woodward for providing financial support for this workshop and for ensuring that we followed through with a written product that summarized the principal issues that emerged. ...
doi:10.1016/j.epsl.2005.09.017
fatcat:lqtptlgofrgrfl6xxb76l5ocky
Multi-scale Model of Reactive Transport in Fractured Media: Diffusion Limitations on Rates
2019
Transport in Porous Media
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Reactive transport in fractured media is conceptualized as a multi-scale problem that couples a pore-scale component, which comprises Navier-Stokes flow, multi-component transport and aqueous equilibrium ...
Discrepancies in effluent magnesium concentrations exemplify the limitations of the approach because the multi-scale model requires calibration of reactive surface areas as Darcy-scale continuum models ...
In the pore space, terms associated with porous-media flow become negligible, and in the porous continuum, the terms associated with pore-scale flow become negligible. ...
doi:10.1007/s11242-019-01266-2
fatcat:yepd74bfibdk7o6s7qurmoixpu
Thermal Instability of a Power-Law Fluid Flowing in a Horizontal Porous Layer with an Open Boundary: A Two-Dimensional Analysis
2017
Transport in Porous Media
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Reactive transport in fractured media is conceptualized as a multi-scale problem that couples a pore-scale component, which comprises Navier-Stokes flow, multi-component transport and aqueous equilibrium ...
Discrepancies in effluent magnesium concentrations exemplify the limitations of the approach because the multi-scale model requires calibration of reactive surface areas as Darcy-scale continuum models ...
In the pore space, terms associated with porous-media flow become negligible, and in the porous continuum, the terms associated with pore-scale flow become negligible. ...
doi:10.1007/s11242-017-0863-7
fatcat:jlibgvx7z5hfhmpxdcz2x6ikba
Mineral sequestration of carbon dioxide in a sandstone–shale system
2005
Chemical Geology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Numerical simulations were performed with the reactive fluid flow and geochemical transport code TOUGHREACT to analyze mass transfer between sandstone and shale layers and CO 2 immobilization through carbonate ...
The limited information currently available for the mineralogy of natural high-pressure CO 2 gas reservoirs is also generally consistent with our simulation. ...
DE-AC03-76SF00098 with Lawrence Berkeley National Laboratory. [EO] ...
doi:10.1016/j.chemgeo.2004.12.015
fatcat:3ny76a5bijeh7crywv2qjqgobe
A reactive transport model for geochemical mitigation of CO2 leaking into a confined aquifer
2014
Energy Procedia
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Here we use the TOUGHREACT code to develop a series of two-dimensional reactive transport simulations of the hydrogeochemical characteristics of a newly formed CO 2 leak into an overlying aquifer. ...
Results show that a decrease in permeability of several orders of magnitude can be achieved with a high molar volume sealant, such that CO 2 flux rate is decreased. ...
Acknowledgements This study is part of a larger project, "Assessment of Leakage Detection and Intervention Scenarios for CO 2 Sequestration," supported by the CCP3; a joint industry project sponsored by ...
doi:10.1016/j.egypro.2014.11.495
fatcat:6wf7y43r4nfl5poqsz3dymo5b4
« Previous
Showing results 1 — 15 out of 1,583 results