Numerical investigation of CO2-carbonated water-alternating-gas on enhanced oil recovery and geological carbon storage

Ji, Minsoo; Kwon, Seoyoon; Choi, Sung-Eun; Kim, Min; Choi, ByungIn; Min, Baehyun

doi:10.1016/j.jcou.2023.102544

Cited by 13 publications

(6 citation statements)

References 38 publications

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“…On the contrary, Aradóttir et al reported that mineral trapping can be relatively fast if CW is injected instead of supercritical CO 2 into deep subsurface formations. Specifically, CWI into basaltic rocks has been identified to accelerate carbon mineralization since CO 2 reacts swiftly with existing ions to form carbonate minerals such as dolomite, calcite, and magnesite in about 2 years. − …”

Section: Consequence Of Geochemical Processes During Cwimentioning

confidence: 99%

Carbonated Water Injection for Enhanced Oil Recovery and CO₂ Geosequestration in Different CO₂ Repositories: A Review of Physicochemical Processes and Recent Advances

Turkson,

Md Yusof,

Fjelde

et al. 2024

Energy Fuels

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With increasing global energy demand and the urgency to reduce carbon emissions, carbonated water injection has been proposed to tackle these pressing concerns. Carbonated water injection (CWI) in oil formations enhances oil production to support the global energy mix and tackle the issues of energy security, energy equity, and environmental sustainability. However, CWI in oil reservoirs and saline aquifers initiates multiple chemical reactions that promote carbon mineralization, cause formation damage problems, sea-bed subsidence, and reservoir compaction, increase the injection pressure requirement, and consequently affect the practicality of CWI for enhanced oil recovery (EOR) and CO 2 storage. We therefore extensively reviewed the performance of CWI for EOR and CO 2 storage and the implications of these interactions on EOR and CO 2 storage. The analysis covered recent advancements in CWI, including its synergy with various EOR techniques where it was identified that combining CWI with surfactants, polymers, mutual solvents, and nanomaterials significantly improved oil recovery in tight formations (37− 65%) compared to standalone CWI (35−36%), but the CO 2 storage potential of the hybrid technique remains unexplored. Additionally, the complex geochemical interactions that occur during CWI, the influencing variables of these interactions, and their consequence on EOR and CO 2 storage were discussed. The rigorous analysis revealed that the existing literature lacks consensus on the effects of CWI on pore structure. Geochemical interactions caused a −12% to +95% porosity change and a −96% to +417% alteration in permeability. Primarily, economic challenges including CO 2 capture and transportation costs, carbonated water preparation, etc., and corrosion concerns hinder the large-scale implementation of CWI. Notwithstanding, the findings from the life cycle assessment of CWI suggested the economic viability of CWI and highlighted the importance of adopting the innovative CWI technique to achieve dual objectives of maximizing oil recovery and minimizing environmental footprints in the oil and gas industry. Multiple areas that require further investigation such as investigating the influence of condensable and incondensable contaminants on well integrity and safe CO 2 storage among others were presented.

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Section: Consequence Of Geochemical Processes During Cwimentioning

confidence: 99%

Carbonated Water Injection for Enhanced Oil Recovery and CO₂ Geosequestration in Different CO₂ Repositories: A Review of Physicochemical Processes and Recent Advances

Turkson,

Md Yusof,

Fjelde

et al. 2024

Energy Fuels

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“…When gas breakthrough occurred, the CO2 storage efficiency rapidly decreased, reaching 40.51% in the end. The primary mechanisms of CO2 storage encompass structural storage, residual storage, dissolution storage, and mineralization storage [53,54]. Compared to continuous injection, advanced injection exhibits a higher oil displacement efficiency, as it dislodges more crude oil from the core, thereby availing more structural storage space for CO2.…”

Section: Co 2 Storagementioning

confidence: 99%

“…In order to explore the influence of advanced CO2 injection and the injection volume on the development effect, advanced-injection volumes of 0.02 PV, 0.03 PV, 0.04 PV, 0.05 PV, and 0.06 PV were designed via the experience of gas injection development and the actual situation in the Changqing Oilfield. Production prediction was simulated for 20 years to verify the development performance of advanced CO2 injection and optimize the The primary mechanisms of CO 2 storage encompass structural storage, residual storage, dissolution storage, and mineralization storage [53,54]. Compared to continuous injection, advanced injection exhibits a higher oil displacement efficiency, as it dislodges more crude oil from the core, thereby availing more structural storage space for CO 2 .…”

Section: Optimization Of Development Parameters Injection Volumementioning

confidence: 99%

Feasibility of Advanced CO2 Injection and Well Pattern Adjustment to Improve Oil Recovery and CO2 Storage in Tight-Oil Reservoirs

Zhang,

Sun,

Han

et al. 2023

Processes

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Global tight-oil reserves are abundant, but the depletion development of numerous tight-oil reservoirs remains unsatisfactory. CO2 injection development represents a significant method of reservoir production, potentially facilitating enhanced oil recovery (EOR) alongside CO2 storage. Currently, limited research exists on advanced CO2 injection and well pattern adjustment aimed at improving the oil recovery and CO2 storage within tight-oil reservoirs. This paper focuses on the examination of tight oil within the Ordos Basin. Through the employment of slim-tube experiments, long-core displacement experiments, and reservoir numerical simulations, the near-miscible pressure range and minimum miscible pressure (MMP) for the target block were ascertained. The viability of EOR and CO2 sequestration via advanced CO2 injection was elucidated, establishing well pattern adjustment methodologies to ameliorate CO2 storage and enhance oil recovery. Simultaneously, the impacts of the injection volume and bottom-hole pressure on the development of advanced CO2 injection were explored in further detail. The experimental results indicate that the near-miscible pressure range of the CO2–crude oil in the study area is from 15.33 to 18.47 MPa, with an MMP of 18.47 MPa, achievable under reservoir pressure conditions. Compared to continuous CO2 injection, advanced CO2 injection can more effectively facilitate EOR and achieve CO2 sequestration, with the recovery and CO2 sequestration rates increasing by 4.83% and 2.29%, respectively. Through numerical simulation, the optimal injection volume for advanced CO2 injection was determined to be 0.04 PV, and the most favorable bottom-hole flowing pressure was identified as 10 MPa. By transitioning from a square well pattern to either a five-point well pattern or a row well pattern, the CO2 storage ratio significantly improved, and the gas–oil ratio of the production wells also decreased. Well pattern adjustment effectively supplements the formation energy, extends the stable production lives of production wells, and increases both the sweep efficiency and oil recovery. This study provides theoretical support and serves as a reference for CO2 injection development in tight-oil reservoirs.

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“…Currently, the optimal design of the water-gas ratio is mainly based on the reservoir numerical simulation method [12][13][14]. Depending on the influence of reservoir characteristics on the development effect of WAG flooding, such as crude oil properties, reservoir permeability, and non-homogeneity, the value of the water-gas ratio usually ranges from 0.5 to 2 (1:2, 1:1, 2:1).…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of the Dynamic Water–Gas Ratio of Water and Gas Flooding in Low-Permeability Reservoirs

Cao,

Liu,

Feng

et al. 2024

Energies

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WAG flooding is a dynamic process of continuous reservoir flow field reconstruction. The unique advantages of WAG flooding cannot be utilized, due to the fixed water–gas ratio. Therefore, we must investigate the dynamic adjustment of the water–gas ratio for WAG flooding. Using nine cases of long-core displacement experiments in low-permeability reservoirs, the development effects of three different displacement methods, namely, continuous gas flooding, WAG flooding with a fixed water–gas ratio, and WAG flooding with a dynamic water–gas ratio, were investigated after elastic development, water flooding, and gas flooding. This study shows that for early elastic development in low-permeability reservoirs, WAG flooding can significantly improve oil recovery, but WAG flooding with a dynamic water–gas ratio is not conducive to the control of the water cut rise and gas channeling. As a result, it is more suitable to adopt WAG flooding with a fixed water–gas ratio. For early water flooding in low-permeability reservoirs, WAG flooding more clearly improves oil recovery and suppresses gas channeling, but WAG flooding with a dynamic water–gas ratio exhibits a higher oil recovery and thus is recommended. For early gas flooding in low-permeability reservoirs, whether the development effect of WAG flooding can improve oil recovery and inhibit gas channeling strongly depends on whether the water–gas ratio is adjusted. The development effect of WAG flooding with a dynamic water–gas ratio is significantly better than that with a fixed water–gas ratio. Therefore, WAG flooding with a dynamic water–gas ratio is recommended to achieve the best displacement effect. This research has important practical significance for further improving the development effect of WAG flooding in low-permeability reservoirs.

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Numerical investigation of CO2-carbonated water-alternating-gas on enhanced oil recovery and geological carbon storage

Cited by 13 publications

References 38 publications

Carbonated Water Injection for Enhanced Oil Recovery and CO₂ Geosequestration in Different CO₂ Repositories: A Review of Physicochemical Processes and Recent Advances

Carbonated Water Injection for Enhanced Oil Recovery and CO₂ Geosequestration in Different CO₂ Repositories: A Review of Physicochemical Processes and Recent Advances

Feasibility of Advanced CO2 Injection and Well Pattern Adjustment to Improve Oil Recovery and CO2 Storage in Tight-Oil Reservoirs

Experimental Study of the Dynamic Water–Gas Ratio of Water and Gas Flooding in Low-Permeability Reservoirs

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Numerical investigation of CO2-carbonated water-alternating-gas on enhanced oil recovery and geological carbon storage

Cited by 13 publications

References 38 publications

Carbonated Water Injection for Enhanced Oil Recovery and CO2 Geosequestration in Different CO2 Repositories: A Review of Physicochemical Processes and Recent Advances

Carbonated Water Injection for Enhanced Oil Recovery and CO2 Geosequestration in Different CO2 Repositories: A Review of Physicochemical Processes and Recent Advances

Feasibility of Advanced CO2 Injection and Well Pattern Adjustment to Improve Oil Recovery and CO2 Storage in Tight-Oil Reservoirs

Experimental Study of the Dynamic Water–Gas Ratio of Water and Gas Flooding in Low-Permeability Reservoirs

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Carbonated Water Injection for Enhanced Oil Recovery and CO₂ Geosequestration in Different CO₂ Repositories: A Review of Physicochemical Processes and Recent Advances

Carbonated Water Injection for Enhanced Oil Recovery and CO₂ Geosequestration in Different CO₂ Repositories: A Review of Physicochemical Processes and Recent Advances