Fluid inertia controls mineral precipitation and clogging in pore to network-scale flows

W Yang, MA Chen, SH Lee, PK Kang - Proceedings of the National …, 2024 - pnas.org
Mineral precipitation caused by fluid mixing presents complex control and predictability
challenges in a variety of natural and engineering processes, including carbon …

Carbonation-induced properties of alkali-activated cement exposed to saturated and supercritical CO2

MH Samarakoon, PG Ranjith, F **ao, BLA Isaka… - International Journal of …, 2021 - Elsevier
Carbonation of well cement under high-temperature and high-pressure conditions is a
significant concern in geological sequestration projects. This study evaluates the …

3D micro-structural changes of an artificial flow channel in wellbore cement under geologic CO2 storage conditions: Combined effect of effective stress and flow

M Gan, L Zhang, Y Wang, K Mei, X Fu, X Cheng… - … and Building Materials, 2022 - Elsevier
Understanding CO 2-induced micro-structural changes at the imperfections in wellbore
cement is vital for assessing the risk of CO 2 leakage through wellbore cement under …

Performance of colloidal silica grout at elevated temperatures and pressures for cement fracture sealing at depth

AG Pagano, G El Mountassir, RJ Lunn - Journal of Petroleum Science and …, 2022 - Elsevier
Hydrocarbon well decommissioning requires the long-term sealing of abandoned wells.
Current plug and abandonment (P&A) operations are not always able to address all …

Geochemical assessment of mineral sequestration of carbon dioxide in the midcontinent rift

A Abousif, D Wronkiewicz… - … Gases: Science and …, 2024 - Wiley Online Library
This study examines the potential of Midcontinent Rift rocks to facilitate long‐term CO2
sequestration by providing the necessary Ca and Mg for carbonate mineralization. Surface …

Experimental study on the corrosion behavior of wellbore cement with a leaking channel under different acidic environments

M Gan, L Zhang, Y Wang, Q Qin, T **ao, Y Yin… - International Journal of …, 2024 - Elsevier
In the scenario of geologic CO 2 storage, the injection of CO 2 can create a carbonic acid-
rich environment in the reservoir, and Cl--and SO 4 2--rich low-pH environments may form in …

[HTML][HTML] Impact of cement composition, brine concentration, diffusion rate, reaction rate and boundary condition on self-sealing predictions for cement-CO2 systems

J Iyer, MM Smith - International Journal of Greenhouse Gas Control, 2024 - Elsevier
Geological CO 2 storage (GCS) plays an important role in curbing CO 2 emissions by
reducing the carbon footprint of difficult to decarbonize operations and achieve negative CO …

Saline brine reaction with fractured wellbore cement and changes in hardness and hydraulic properties

J Gonzalez-Estrella, J Ellison, JC Stormont… - Environmental …, 2021 - liebertpub.com
The integrity of cemented wellbores is fundamental to the containment of subsurface
greenhouse gases and hydrocarbons, while minimizing migration of deep subsurface …

Alteration of Fractured Foamed Cement Exposed to CO2-Saturated Water: Implications for Well Integrity

Y Min, S Montross, R Spaulding, M Brandi… - Environmental …, 2021 - ACS Publications
Geologic CO2 storage (GCS) is a method to mitigate the adverse impact of global climate
change. Potential leakage of CO2 from fractured cement at the wellbore poses a risk to the …

On the Flow of CO2-Saturated Water in a Cement Fracture

DN Tafen, B Kutchko, M Massoudi - Geosciences, 2023 - mdpi.com
Cement fractures represent preferential leakage pathways in abandoned wells upon
exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical …