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Processes
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Recent Advances in Carbon Capture, Utilisation and Storage Technology and...
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Recent Advances in Carbon Capture, Utilisation and Storage Technology and the Green Development of Geological Energy

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: 25 January 2025 | Viewed by 5489

Special Issue Editors

Dr. Liang Zhang

E-Mail Website
Guest Editor
College of Petroleum Engineering, China University of Petroleum (Huadong), Qingdao 266580, China
Interests: gas Injection for EOR; unconventional resource development; CO2 geological storage and utilization; flow assurance of oil and gas wells
Special Issues, Collections and Topics in MDPI journals
Dr. Yukun Du

E-Mail Website
Guest Editor
College of Petroleum Engineering, China University of Petroleum (Huadong), Qingdao 266580, China
Interests: supercritical carbon dioxide drilling and completion; high-pressure water jet; drilling and completion tools
Dr. Hongbin Yang

E-Mail Website
Guest Editor
College of Petroleum Engineering, China University of Petroleum (Huadong), Qingdao 266580, China
Interests: functional gelling control agent; low-cost and high-efficiency chemical flooding system; production fluid treatment; temperature-resistant cleaning fracturing fluid
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Geological energy includes oil, natural gas, coal, and geothermal energy, among which fossil fuels are the main source of energy consumption at present, and a large amount of CO2 is produced in the process of its utilization. As a greenhouse gas, CO2 emissions produce a greenhouse effect and seriously threaten the ecological environment of the Earth. CO2 capture, utilization, and storage (CCUS) technology is considered to be an essential and important means for large-scale CO2 disposal and greenhouse gas emission reduction. Geological structures that can be used for CO2 storage include oil and gas reservoirs, saline aquifers, deep unminable coal seams, hydrate reservoirs, and geothermal reservoirs. CO2 captured from large emission sources is injected into underground structures, where permanent storage can be achieved through structural trapping, residual gas trapping, dissolution trapping, mineral trapping, and adsorption trapping. Moreover, the development of geological energy needs to be further improved and upgraded from the perspective of environmental protection, and some new green, environmentally friendly, and low-carbon development processes need to be explored, such as the in situ heating and upgrading of shale oil, the underground gasification of deep coal for hydrogen production, the underground storage of hydrogen, and the integration and underground storage of natural gas flooding. These topics have gradually become the focus in recent years, and some research progress has been made.

This Special Issue on “Recent Advances in Carbon Capture, Utilisation and Storage Technology and the Green Development of Geological Energy” seeks high-quality works focusing on the latest novel advances in CCUS and geological energy. Topics include, but are not limited to:

  • CO2 capture;
  • CO2 utilization;
  • CO2 geological storage;
  • Gas injection for EOR;
  • Underground storage of natural gas;
  • Underground storage of hydrogen;
  • Integration of natural gas flooding and underground storage;
  • In situ heating and upgrading of shale oil;
  • Underground gasification of deep coal for hydrogen production;
  • Geothermal energy;
  • Gas leakage risk;
  • Demonstration project;
  • Fine description of unconventional reservoirs;
  • Efficient development of unconventional resources;
  • Plugging material for CO2 gas channeling;
  • Green oil field chemicals;
  • Enrichment conditions and reservoir accumulation mechanism of unconventional oil and gas.

Dr. Liang Zhang
Dr. Yukun Du
Dr. Hongbin Yang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

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Published Papers (3 papers)

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Research

28 pages, 3227 KiB  
Article
Numerical Modeling and Economic Analysis of Ultrasonic-Assisted CO2 Absorption Process for Offshore Application
by Athirah Mohd Tamidi, Kok Keong Lau, Li Huey Ng, Siti Munirah Mhd Yusof, Nurulhuda Azmi, Shahidah Zakariya, Siti Hajar Khalit and Ven Chian Quek
Processes 2023, 11(11), 3089; https://doi.org/10.3390/pr11113089 - 27 Oct 2023
Cited by 1 | Viewed by 1464
Abstract
In the quest for net zero carbon emissions by 2050, Carbon Capture Utilization and Storage (CCUS) is indispensable. The development of more efficient CO2 capture processes is essential. High-frequency ultrasonic irradiation is an emerging, intensified technique that can enhance the CO2 [...] Read more.
In the quest for net zero carbon emissions by 2050, Carbon Capture Utilization and Storage (CCUS) is indispensable. The development of more efficient CO2 capture processes is essential. High-frequency ultrasonic irradiation is an emerging, intensified technique that can enhance the CO2 absorption process. To advance this technology toward commercialization, it is crucial to conduct a thorough economic analysis to allow the identification of the key cost component. While equipment sizing is essential in this economic assessment, there is a lack of numerical models for estimating the size and power consumption of ultrasonic absorbers. This study introduces a numerical model for these predictions. The model was then used to determine the economic feasibility of this emerging technique against the packed bed columns based on capital expenditure (CAPEX), operational expenditure (OPEX), and unit technical cost (UTC) for 20 years of plant operation. According to the economic analysis, ultrasonic intensification requires 34% less CAPEX due to its compact design. Although its OPEX is 11% higher due to the additional electricity needed for the ultrasonic transducers, the UTC is still 3% lower than the conventional packed bed column, demonstrating a potential cost savings in implementing the ultrasonic irradiation-assisted technique during the CO2 absorption process offshore. Full article
(This article belongs to the Special Issue Recent Advances in Carbon Capture, Utilisation and Storage Technology and the Green Development of Geological Energy)
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16 pages, 2564 KiB  
Article
Study on Oil Composition Variation and Its Influencing Factors during CO2 Huff-n-Puff in Tight Oil Reservoirs
by Bo Han, Hui Gao, Zhiwei Zhai, Xiaoyong Wen, Nan Zhang, Chen Wang, Zhilin Cheng, Teng Li and Deqiang Wang
Processes 2023, 11(8), 2415; https://doi.org/10.3390/pr11082415 - 11 Aug 2023
Cited by 1 | Viewed by 1736
Abstract
With immense potential to enhance oil recovery, CO2 has been extensively used in the exploitation of unconventional tight oil reservoirs. Significant variations are observed to occur in the oil’s composition as well as in its physical properties after interacting with CO2 [...] Read more.
With immense potential to enhance oil recovery, CO2 has been extensively used in the exploitation of unconventional tight oil reservoirs. Significant variations are observed to occur in the oil’s composition as well as in its physical properties after interacting with CO2. To explore the impacts of oil properties on CO2 extraction efficiency, two different types of crude oil (light oil and heavy oil) are used in CO2 huff-n-puff experiments. Moreover, numerical simulation is implemented to quantitatively inspect the impacts of different influencing factors including production time, reservoir pressure and reservoir temperature on physical properties as well as on the oil composition variation of the crude oil. The findings of the experiments demonstrate that, whether for the light oil sample or for the heavy oil sample, hydrocarbon distribution becomes lighter after interacting with CO2 compared with the original state. In addition, it is also discovered that the hydrocarbon distribution variation is more significant for the light oil sample. The findings of the numerical simulation suggest that production time, reservoir pressure and reservoir temperature have significant impacts on the produced oil composition and properties. The hydrocarbon distribution of the oil becomes lighter with the increasing of production time and formation pressure, while it becomes heavier with the increasing of reservoir temperature. At the very beginning of the oil production, the properties of the produced oil are worsened. Compared with the original state, the oil density and viscosity are 25.7% and 200% higher, respectively. It is suggested that viscosity reducers are added into the well to improve the oil properties in this period. With the continuing of the oil production, the oil properties are continuously promoted. At the end of the simulation time, the oil density and viscosity are 3.5% and 15.1% lower compared with the original oil, respectively. This paper has great significance for the implementation of CO2 huff-n-puff in tight oil reservoirs. Full article
(This article belongs to the Special Issue Recent Advances in Carbon Capture, Utilisation and Storage Technology and the Green Development of Geological Energy)
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19 pages, 4568 KiB  
Article
Study on Interaction Characteristics of Injected Natural Gas and Crude Oil in a High Saturation Pressure and Low-Permeability Reservoir
by Xiaoyan Wang, Yang Zhang, Haifeng Wang, Nan Zhang, Qing Li, Zhengjia Che, Hujun Ji, Chunjie Li, Fuyang Li and Liang Zhang
Processes 2023, 11(7), 2152; https://doi.org/10.3390/pr11072152 - 19 Jul 2023
Cited by 2 | Viewed by 1503
Abstract
Natural gas injection is considered for enhanced oil recovery (EOR) in a high saturation pressure reservoir in block B111 of the Dagang oilfield, China. To investigate the interaction characteristics of injected natural gas and crude oil, the ability for dissolution–diffusion and miscibility–extraction of [...] Read more.
Natural gas injection is considered for enhanced oil recovery (EOR) in a high saturation pressure reservoir in block B111 of the Dagang oilfield, China. To investigate the interaction characteristics of injected natural gas and crude oil, the ability for dissolution–diffusion and miscibility–extraction of natural gas in crude oil was tested using a piece of high-temperature and high-pressure PVT equipment. The physical properties and minimum miscible pressure (MMP) of the natural gas–crude oil system and their interaction during dynamic displacement were analyzed using the reservoir numerical simulation method. The results show the following: (1) Under static gas–oil contact conditions, natural gas has a significant dissolution–diffusion and miscibility–extraction effect on the crude oil in block B111, especially near the gas–oil interface. The content of condensate oil in gas phase is 10.14–18.53 wt%, while the content of dissolved gas in oil phase reaches 26.17–57.73 wt%; (2) Under the reservoir’s conditions, the saturated solubility of natural gas injected in crude oil is relatively small. The effect of swelling and viscosity reduction on crude oil is limited. As the pressure increases with more natural gas dissolved in crude oil, the phase state of crude oil can change from liquid to gas; accordingly, the density and viscosity of crude oil will be greatly reduced, presenting the characteristics of condensate gas; (3) The MMP of natural gas and crude oil is estimated to be larger than 40 MPa. It mainly forms a forward-contact evaporative gas drive in block B111. The miscible state depends on the maintenance level of formation pressure. The injected natural gas has a significant extraction effect on the medium and light components of crude oil. The content of C2–C15 in the gas phase at the gas drive front, as well as the content of CH4 and C16+ in the residual oil at the gas drive trailing edge, will increase markedly. Accordingly, the residual oil density and viscosity will also increase. These results have certain guiding significance for understanding gas flooding mechanisms and designing gas injection in block B111. Full article
(This article belongs to the Special Issue Recent Advances in Carbon Capture, Utilisation and Storage Technology and the Green Development of Geological Energy)
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