2023
DOI: 10.1016/j.energy.2022.126604
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Study on fracture evolution model of the enhanced geothermal system under thermal-hydraulic-chemical-deformation coupling

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Cited by 9 publications
(4 citation statements)
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“…By coupling the temperature and pressure data of the bottom hole of the wellbore model and the injection well of the reservoir model, the whole process of CO 2 flowing into the reservoir from the wellhead is realized. To improve the rationality of parameter design, a number of on-site CO 2 geological storage ,,,, and wellbore-reservoir coupling numerical simulation ,, cases were referred to. The wellbore and reservoir parameters used the average approximate value of the data (0.1 < φ < 0.2, 10 mD < k < 30 mD) within the scope of this article.…”
Section: Co2 Storage Casementioning
confidence: 99%
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“…By coupling the temperature and pressure data of the bottom hole of the wellbore model and the injection well of the reservoir model, the whole process of CO 2 flowing into the reservoir from the wellhead is realized. To improve the rationality of parameter design, a number of on-site CO 2 geological storage ,,,, and wellbore-reservoir coupling numerical simulation ,, cases were referred to. The wellbore and reservoir parameters used the average approximate value of the data (0.1 < φ < 0.2, 10 mD < k < 30 mD) within the scope of this article.…”
Section: Co2 Storage Casementioning
confidence: 99%
“…The size of the reservoir model is set to 10,000 × 10,000 × 70 m, and the depth is 2000−2070 m. The reservoir thickness was set to 30 m, and others were set to 20 m. When there are interlayers, it is assumed that it is interspersed in the flowing into the reservoir from the wellhead is realized. To improve the rationality of parameter design, a number of onsite CO 2 geological storage 7,9,10,50,51 and wellbore-reservoir coupling numerical simulation 8,31,51 cases were referred to.…”
Section: Co 2 Storage Casementioning
confidence: 99%
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“…Based on these methods, many scholars have conducted simulations for long-term geothermal developments, scheme design, and operation optimization of the hot dry rock (Wang et al, 2020;Lv et al, 2022;Xu et al, 2022). However, each reservoir simulation model has its limitations (Li et al, 2019;Ji et al, 2023). For example, the equivalent continuous model and dualcontinuum model cannot handle the reservoirs with dominant fractures with length scales much larger than the grid block size, especially for the hydraulic fractures in EGS; the discrete fracture model is theoretically applicable to a fractured geothermal system, but its practical implementation in case of large-scale models and threedimensional unstructured grids are severely hindered by high computational costs.…”
Section: Deep and Shallow Geothermal Energymentioning
confidence: 99%