Liwei Zhang

Institute of Rock and Soil Mechanics

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Xiaochun Li

Institute of Rock and Soil Mechanics

Robert Dilmore

National Energy Technology Laboratory

Kaiyuan Mei

Southwest Petroleum University

Xiaowei Cheng

Fudan University

Yee Soong

National Energy Technology Laboratory

Manguang Gan

Institute of Rock and Soil Mechanics

Hejuan Liu

University of Chinese Academy of Sciences

Quan Xue

South China University of Technology

David V. Nakles

University of North Dakota

Xiuxiu Miao

China University of Mining and Technology

Cooperative Institutions

Institute of Rock and Soil Mechanics

University of Chinese Academy of Sciences

Chinese Academy of Sciences

Scania (Sweden)

National Energy Technology Laboratory

Southwest Petroleum University

China University of Geosciences

United States Department of Energy

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation

Quintessa (United Kingdom)

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Effects of Fe and Al ions during hydrogen sulphide (H2S)-induced corrosion of tetracalcium aluminoferrite (C4AF) and tricalcium aluminate (C3A)

Journal of Hazardous Materials (2020)

Kaiyuan Mei Xiaowei Cheng Tao Gu Youzhi Zheng Pimin Gong

Aluminate

10.1016/j.jhazmat.2020.123928

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Citations (15)

Contents

Greenhouse Gases Science and Technology (2016)

Aniruddha Sharma Vasiliki Gemeni Charalampos Vasilatos Nikolaos Koukouzas Christos Kanellopoulos

10.1002/ghg.1551

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Citations (0)

Simulation of uranium mobilization potential in a deep aquifer under geological carbon storage conditions

Applied Geochemistry (2020)

Qihuang Wang Xiuxiu Miao Yan Wang Manguang Gan Syed Mobashar Aftab

Uraninite

Carbonate minerals

Uranyl

10.1016/j.apgeochem.2020.104620

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Citations (12)

Effects of CO2–water–rock cycling cycles on sandstone pore structure

Frontiers in Energy Research (2024)

Hao Huang Qiang Sun Duoxing Yang Jishi Geng Liwei Zhang

As global CO 2 levels increase, the storage of CO 2 in saline aquifers is considered a large-scale and cost-effective method for mitigating CO 2 emissions. To examine the impact of cyclic CO 2 injection on sandstone formations within various saline aquifers, five cyclic injections of differing durations were performed, and the effects of the frequency and duration of CO 2 injection cycles on sandstone pore structure were monitored using nuclear magnetic resonance. Additionally, ICP-OES was employed to assess changes in the total dissolved solids and metal ion concentrations in the saline water layer post-injection. The findings reveal that sandstone samples experience structural degradation as a result of cyclic injection. Initially, the proportion of macropores in sandstone samples increases with the number of injections but subsequently decreases. SO 4 2– ions exert a more significant influence on the sandstone pore structure compared to Cl − ions. The concentrations of Ca 2+ and Mg 2+ ions in the solution initially rise, followed by a subsequent decline. By integrating the principles of pore structure and considering the formation of crystals through the combination of metal cations and anions, the mechanism underlying the changes in sandstone pore structure due to cyclic injection is elucidated. This study explores the effects of CO 2 cyclic injection on reservoir sandstone and evaluates how different saline aquifer types affect pore structure deterioration. The research offers valuable reference points and a foundation for laboratory investigations of underground CO 2 storage in saline aquifers.

Macropore

Saline water

10.3389/fenrg.2024.1485241

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Biodegradation of early thermogenic gas and generation of secondary microbial gas in the Tieliekedong region of the northern Tarim Basin, NW China

International Journal of Coal Geology (2022)

Haijiao Fu Detian Yan Xianbo Su Jiawei Wang Quan Li

Coalbed Methane

Methanobacterium

10.1016/j.coal.2022.104075

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Citations (30)

Application of a new reduced‐complexity assessment tool to estimate CO₂ and brine leakage from reservoir and above‐zone monitoring interval (AZMI) through an abandoned well under geologic carbon storage conditions

Greenhouse Gases Science and Technology (2018)

Liwei Zhang Robert Dilmore Nicolas Huerta Yee Soong Veronika Vasylkivska

Abstract This study employs a combination of detailed simulations and reduced‐complexity models in the Well Leakage Analysis Tool (WLAT), developed by the National Risk Assessment Partnership (NRAP), US Department of Energy, to investigate how the rates of CO 2 and brine leakage through an abandoned well under geologic CO 2 storage conditions are affected by various factors. The factors considered in this study include depth of well penetration into the storage system, location relative to the point of injection, and effective permeability of the abandoned well. Location is the primary factor used to identify high‐ and low‐risk abandoned wells. For the typical CO 2 injection scenario considered in this study, the potential impact of CO 2 and brine leakage through an abandoned well is very low if the abandoned well is 6.2 km or further away from the CO 2 injector. Due to the buoyancy of CO 2 relative to formation brine, wells intersecting (i.e., accepting flow from) the top of the above‐zone monitoring interval (AZMI), which is the interval immediately above the seal, have a higher chance to become a pathway for CO 2 than wells intersecting the bottom of the AZMI. If the permeability of an abandoned well is 10 −14 m 2 or less, the risk of CO 2 and brine leakage through the well becomes very low. Due to the combined effect of pressure increase and buoyancy, the CO 2 leakage rate is higher than brine leakage rate within the CO 2 plume extent. Specific values reported in this study are site‐specific results and cannot be regarded as general findings. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd.

Leakage (economics)

Relative permeability

Brine

10.1002/ghg.1813

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Citations (9)

Progress, challenges, and prospects of CO2 mineral sequestration in basalt: A critical review

Applied Energy (2024)

Yue Yin Liwei Zhang Xiaomin Cao Qi Li Manguang Gan

10.1016/j.apenergy.2024.125127

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Micro-CT Characterization of Wellbore Cement Degradation in SO₄^2-–Bearing Brine under Geological CO₂ Storage Environment

Geofluids (2019)

Manguang Gan Liwei Zhang Xiuxiu Miao Yan Wang Xiaojuan Fu

In order to explore the process of acid- and CO 2 -induced degradation of wellbore cement and the development of pre-existing leakage channels in wellbore cement under sulfate-rich geological CO 2 storage conditions, wellbore cement samples were immersed in SO 4 2- -bearing brine solution for 7 days, and the samples after reacting with the low and circumneutral pH solutions were scanned by a micro-CT scanner. HCl+Na 2 SO 4 solution was used to simulate the low-pH condition in deep formation waters and the possible existence of high sulfate ion content in deep formation waters. The acidification and carbonation results were compared, and the results given different pH values and different curing conditions were compared as well. The results show that the degradation of cement was related to the pH value of the reaction solution. There was a significant dissolution in the exterior of the cement sample after exposure to the low-pH solution, but the dissolution surrounding a penetrating borehole at the center of the sample (mimicking a leakage pathway within the wellbore cement in geological CO 2 storage environment) was limited. Comparison between acidification and carbonation results in this study shows formation of a thick carbonate layer due to cement carbonation, and this layer was not observed in the acidification result. As for different curing conditions of cement samples, no significant difference in cement alteration depth was observed for the acidification case. For the carbonation case, precipitations in the borehole occurred in the cement sample cured at ambient pressure, while the cement sample cured at high pressure did not produce any precipitation in the borehole. This study provides valuable information on how low pH-induced corrosion and HCO 3 - -induced cement carbonation contribute to structure evolution of wellbore cement in SO 4 2- -bearing brine under geological CO 2 storage environment.

Brine

Carbonic acid

10.1155/2019/5164010

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Citations (7)

Evolution of structural and mechanical properties of concrete exposed to high concentration CO2

Construction and Building Materials (2022)

Quan Xue Liwei Zhang Kaiyuan Mei Lin Wang Yan Wang

Carbonatation

10.1016/j.conbuildmat.2022.128077

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Citations (19)