Zangyuan Wu

Improved modeling of CO2 solubility in brine: Integrating two-phase flash calculation with sandstone interaction studies for carbon storage applications

Zangyuan Wu, Qihong Feng, Sen Wang, Kuankuan Wu et autres

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Fault-Sealing Ability of Underground Gas Storage in the DH1-CIII Oil Reervoir of the Tarim Basin

Zangyuan Wu, Min Luo, Guangqiang Shao, 段云行

The evaluation of fault sealing is important research content in the early evaluation of underground gas storage construction. To accurately predict the pressure limit of the fault, a new method involving the analysis of fault lateral sealing and a comprehensive evaluation of …

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Mamba-attention surrogate-assisted optimization framework for well placement and dynamic schedule in CO2 enhanced oil recovery and storage

Kuankuan Wu, J. Zhang, Qihong Feng, Sen Wang et autres

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An Analytical Approach to Optimize Shut-In Time Based on Oil Saturation Rebalancing for Production Performance Improvement

Yongfu Liu, Guangqiang Shao, Daiyu Zhou, Wei Zhou et autres

Abstract To address the challenges of inconsistent shut-in performance, unclear effectiveness, and uncertain optimal duration in fractured reservoirs, this study develops an integrated numerical model coupling fracture closure, oil-water imbibition, and fracturing fluid retention during the fracturing-shut-in-production sequence. Model validation confirms its …

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Characterization of asphaltene deposition and formation damage during CO2 miscible/immiscible flooding in Low-permeability sandstones using NMR T1-T2

Zangyuan Wu, Qihong Feng, Xiangjuan Meng, Daiyu Zhou et autres

CO 2 flooding in low-permeability oilfields has been widely adopted worldwide as it significantly enhances oil recovery. However, when CO 2 is injected into the reservoir, asphaltene precipitation may occur, damaging the reservoir and resulting in a less pronounced improvement in recovery …

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Co-optimization of well schedule and conformance control parameters assisted with Transformer-LSTM for CO2-EOR and storage in oil reservoirs

Kuankuan Wu, Jiyuan Zhang, Qihong Feng, Sen Wang et autres

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Optimization of Shut-In Time Based on Oil Saturation Rebalancing in Post-Fracturing for Horizontal Wells

Xiang Li, Wei Hong Zhou, Wei Pu, Lei Xie et autres

Abstract Based on the shut-in imbibition process in low-permeability reservoirs, this paper illustrates the saturation rebalancing principle of post-fracturing well shut-in. It establishes an optimization method for shut-in time aimed at shortening the oil production initiation period and achieving quick oil breakthrough. …

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Research on the Calculation Method of CO2 Storage Volume and its Application in L Reservoir

Zangyuan Wu, Qihong Feng, Liming Lian, Yunjin Xu et autres

Abstract This paper addresses the difficulty in calculating CO2 storage volume due to the complexity of CO2 occurrence states in the CCUS process. A method for calculating CO2 storage volume is proposed, designing well networks throughout the entire lifecycle of CCUS to …

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Comprehensive Assessment on Dynamic Geomechanical Modelling for Fault Re-Active Stress Simulation in Underground Gas Storage

Dong Chen, Wei Hong Zhou, Yongping Wu, Zhaoting Huang et autres

Abstract The Tarim Basin, a vast sedimentary basin located in Northwast China. The internal topography of the basin predominantly features uplifted areas to the north, northeast, southeast, and southwest, a gentle slope to the west, and a significant depression in the central …

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Drilling Performance Improvement and Cost Reduction with 3D Geomechanical Modelling for Wellbore Stability Analysis

Chao Chen, Qingxiang Wu, Dan Xie, Zhenhua Ding et autres

Abstract The low permeability reservoir has the characteristics of large buried depth, high temperature, large lithologic change and high stress field, which leads to the inaccurate drilling mud density window based on the conventional wellbore stability analysis, resulting infrequent instability of the …

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Integrated Well Network Design Mode for CO2 EOR and Storage and its Application in L Reservoir

Zangyuan Wu, Yongliang Tang, Liming Lian, Daiyu Zhou et autres

Abstract This paper addresses the challenge of difficulty in adjusting late-stage production in water-flooded reservoirs and proposes an integrated well network design mode for CO2 enhanced oil recovery (EOR) and storage. The well network is designed according to the full life cycle …

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Physical experimental simulation of unconventional reservoir formation process for carboniferous in Hudson Oilfield, Tarim Basin

Rujun Wang, Yongliang Tang, Wei Zhou, Daiyu Zhou et autres

Abstract This study conducts a comprehensive investigation into theformation mechanisms of unconventional oil reservoirs within the Carboniferous strata of the Hudson Oilfield in the Tarim Basin. By combining extensive geological surveys with a custom-built, physically simulated cross-sectional model, this work elucidates the …

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