Search Results - "BIRKHOLZER, Jens"

25 years of DECOVALEX - Scientific advances and lessons learned from an international research collaboration in coupled subsurface processes by Birkholzer, Jens T., Tsang, Chin-Fu, Bond, Alexander E., Hudson, John A., Jing, Lanru, Stephansson, Ove

“…This paper provides an overview of an international research collaboration for advancing the understanding and modeling of coupled…”
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DECOVALEX-2019: An international collaboration for advancing the understanding and modeling of coupled thermo-hydro-mechanical-chemical (THMC) processes in geological systems by Birkholzer, Jens T., Bond, Alexander E.

“…The DECOVALEX Project is an international research collaboration for advancing the understanding and modeling of coupled thermo-hydro-mechanical-chemical…”
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Analytical solutions for pressure perturbation and fluid leakage through aquitards and wells in multilayered-aquifer systems by Cihan, Abdullah, Zhou, Quanlin, Birkholzer, Jens T.

“…Large‐scale groundwater pumping or deep fluid injection in a multilayered subsurface system may generate pressure perturbation not only in the target…”
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Adsorption and Capillary Condensation-Induced Imbibition in Nanoporous Media by Cihan, Abdullah, Tokunaga, Tetsu K, Birkholzer, Jens T

“…Multiphase flow phenomena in nanoporous media are encountered in many science and engineering applications. Shales, for example, possessing complex nanopore…”
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Early detection of brine and CO2 leakage through abandoned wells using pressure and surface-deformation monitoring data: Concept and demonstration by Jung, Yoojin, Zhou, Quanlin, Birkholzer, Jens T.

“…•We develop a method for early detection of brine and CO2 leakage.•We use pressure and surface-deformation anomalies as leakage signals.•The location and…”
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Long-term modeling of the thermal–hydraulic–mechanical response of a generic salt repository for heat-generating nuclear waste by Blanco Martín, Laura, Rutqvist, Jonny, Birkholzer, Jens T.

“…A modeling effort has been undertaken to investigate the long-term response of a generic salt repository for heat-generating nuclear waste, including processes…”
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The DECOVALEX international collaboration on modeling of coupled subsurface processes and its contribution to confidence building in radioactive waste disposal by Birkholzer, Jens T., Bond, Alexander E., Tsang, Chin-Fu

“…The long-lived radiotoxicity of the high-level radioactive waste generated by nuclear power plants requires safe isolation from the biosphere for many hundreds…”
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Diffusion‐to‐Imbibition Transition in Water Sorption in Nanoporous Media: Theoretical Studies by Cihan, Abdullah, Tokunaga, Tetsu K., Birkholzer, Jens T.

“…The ability to predict multiphase fluid transport in nanoporous rocks such as shales is critical for many geoscience applications, for example unconventional…”
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Large-scale impact of CO2 storage in deep saline aquifers: A sensitivity study on pressure response in stratified systems by BIRKHOLZER, J, ZHOU, Q, TSANG, C

“…Large volumes of CO2 captured from carbon emitters (such as coal-fired power plants) may be stored in deep saline aquifers as a means of mitigating climate…”
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Pressure Buildup and Brine Migration During CO2 Storage in Multilayered Aquifers by Cihan, Abdullah, Birkholzer, Jens T., Zhou, Quanlin

“…Carbon dioxide injection into deep saline formations may induce large‐scale pressure increases and migration of native fluid. Local high‐conductivity features,…”
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Modeling the performance of large-scale CO2 storage systems: A comparison of different sensitivity analysis methods by Wainwright, Haruko M., Finsterle, Stefan, Zhou, Quanlin, Birkholzer, Jens T.

“…•Sensitivity analyses using a basin-scale reservoir model for a CO2 storage system.•Comparison of a local sensitivity, Morris and Sobol’/Saltelli…”
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Discrete Dilatant Pathway Modeling of Gas Migration Through Compacted Bentonite Clay by Kim, Kunhwi, Rutqvist, Jonny, Harrington, Jon F., Tamayo-Mas, Elena, Birkholzer, Jens T.

“…A coupled multiphase fluid flow and discrete fracturing model is applied to simulate bench-scale gas migration experiments on compacted bentonite. The…”
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Permeability Decline by Clay Fines Migration around a Low‐Salinity Fluid Injection Well by Cihan, Abdullah, Petrusak, Robin, Bhuvankar, Pramod, Alumbaugh, David, Trautz, Robert, Birkholzer, Jens T.

“…Migration of clay fines can be a concern when less saline fluids are injected into brine‐saturated sandstone formations containing clays. If the salinity near…”
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Impact-driven pressure management via targeted brine extraction—Conceptual studies of CO2 storage in saline formations by Birkholzer, Jens T., Cihan, Abdullah, Zhou, Quanlin

“…► Pressure management via brine extraction increases capacity of storage formations. ► This study introduces the concept of impact-driven pressure management…”
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On the detection of leakage pathways in geological CO2 storage systems using pressure monitoring data: Impact of model parameter uncertainties by Jung, Yoojin, Zhou, Quanlin, Birkholzer, Jens T.

“…•We examine the impact of model uncertainties on detection of leakage pathways.•We use pressure anomalies monitored as leakage signals.•Leakage detection…”
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Elastically-homogeneous lattice models of damage in geomaterials by Asahina, Daisuke, Aoyagi, Kazuhei, Kim, Kunhwi, Birkholzer, Jens T., Bolander, John E.

“…This study involves the development of the auxiliary stress approach for producing elastically-homogeneous lattice models of damage in geomaterials. The…”
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Effect of Dissolved CO2 on a Shallow Groundwater System: A Controlled Release Field Experiment by Trautz, Robert C, Pugh, John D, Varadharajan, Charuleka, Zheng, Liange, Bianchi, Marco, Nico, Peter S, Spycher, Nicolas F, Newell, Dennis L, Esposito, Richard A, Wu, Yuxin, Dafflon, Baptiste, Hubbard, Susan S, Birkholzer, Jens T

“…Capturing carbon dioxide (CO2) emissions from industrial sources and injecting the emissions deep underground in geologic formations is one method being…”
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Experimental analysis of spatial correlation effects on capillary trapping of supercritical CO2 at the intermediate laboratory scale in heterogeneous porous media by Trevisan, Luca, Pini, Ronny, Cihan, Abdullah, Birkholzer, Jens T., Zhou, Quanlin, Illangasekare, Tissa H.

“…Several numerical studies have demonstrated that the heterogeneous nature of typical sedimentary formations can favorably dampen the accumulation of mobile CO2…”
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TOUGH–RBSN simulator for hydraulic fracture propagation within fractured media: Model validations against laboratory experiments by Kim, Kunhwi, Rutqvist, Jonny, Nakagawa, Seiji, Birkholzer, Jens

“…This paper presents coupled hydro-mechanical modeling of hydraulic fracturing processes in complex fractured media using a discrete fracture network (DFN)…”
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Identifying chemicals of concern in hydraulic fracturing fluids used for oil production by Stringfellow, William T., Camarillo, Mary Kay, Domen, Jeremy K., Sandelin, Whitney L., Varadharajan, Charuleka, Jordan, Preston D., Reagan, Matthew T., Cooley, Heather, Heberger, Matthew G., Birkholzer, Jens T.

“…Chemical additives used for hydraulic fracturing and matrix acidizing of oil reservoirs were reviewed and priority chemicals of concern needing further…”
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