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Integrated Geology-Engineering Simulation and Optimizationfor Unconventional Oil and Gas Reservoirs

Submission Deadline: 19 April 2025 View: 478 Submit to Special Issue

Guest Editors

Guanglong Sheng, Yangtze University, China. Email: shenggl2019@yangtzeu.edu.cn
Wendong Wang, China University of Petroleum (East China), China. Email: wwdong@upc.edu.cn
Qi Zhang, China University of Geosciences (Wuhan), China. Email: qizhang@cug.edu.cn

Summary

This proposed special issue aims to explore the integration of geology and engineering disciplines in the context of unconventional oil and gas reservoirs. Unconventional reservoirs, including shale gas, tight gas, and oil sands, require a multidisciplinary approach to effectively characterize, optimize, and evaluate their production potential. This special issue seeks to gather cutting-edge research on the integration of geology and engineering for the development of innovative techniques and methodologies in the exploration, production, and reservoir management of unconventional hydrocarbon resources.

 

The special issue invites researchers, engineers, and industry professionals to contribute their latest findings, methodologies, and case studies in the following research areas:

  • Efficient simulation techniques for modeling unconventional reservoirs

  • Production system optimization strategies for unconventional reservoirs

  • Simulation methods for hydraulic fracturing and fracture propagation in unconventional formations

  • Reservoir evaluation and characterization techniques for unconventional reservoirs

  • Novel approaches in integrated geology-engineering for unconventional reservoirs

  • Advanced data analysis and machine learning applications in reservoir management

  • Environmental considerations and sustainable practices in unconventional reservoir development

  • Case studies showcasing successful applications of integrated geology-engineering in unconventional reservoirs


This special issue aims to provide a platform for the exchange of knowledge and ideas among researchers and practitioners in the field of integrated geology-engineering for unconventional oil and gas reservoirs. The collection of articles will contribute to the advancement of efficient and sustainable practices, foster innovation, and enhance the understanding of the complex nature of unconventional reservoirs.

Keywords

Unconventional reservoirs, Geology, Engineering, Simulation techniques, Production system optimization, Hydraulic fracturing simulation, Fracture propagation, Reservoir evaluation, Integrated approaches, Data analysis, Environmental considerations.

Published Papers

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  • Open Access

    ARTICLE

    The Hydraulic Fracturing Optimization for Stacked Tight Gas Reservoirs Using Multilayers and Multiwells Fracturing Strategies

    Yuanyuan Yang, Xian Shi, Cheng Ji, Yujie Yan, Na An, Teng Zhang
    Energy Engineering, Vol.121, No.12, pp. 3667-3688, 2024, DOI:10.32604/ee.2024.056266
    （This article belongs to the Special Issue: Integrated Geology-Engineering Simulation and Optimizationfor Unconventional Oil and Gas Reservoirs)
    Abstract Based on a geology-engineering sweet spot evaluation, the high-quality reservoir zones and horizontal well landing points were determined. Subsequently, fracture propagation and production were simulated with a multilayer fracturing scenario. The optimal hydraulic fracturing strategy for the multilayer fracturing network was determined by introducing a vertical asymmetry factor. This strategy aimed to minimize stress shadowing effects in the vertical direction while maximizing the stimulated reservoir volume (SRV). The study found that the small vertical layer spacing of high-quality reservoirs and the presence of stress-masking layers (with a stress difference of approximately 3~8 MPa) indicate that… More >

    Graphic Abstract

    The Hydraulic Fracturing Optimization for Stacked Tight Gas Reservoirs Using Multilayers and Multiwells Fracturing Strategies

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    41

  • Open Access

    ARTICLE

    Phase Transitions and Seepage Characteristics during the Depletion Development of Deep Condensate Gas Reservoirs

    Qiang Liu, Rujun Wang, Yintao Zhang, Chong Sun, Meichun Yang, Yuliang Su, Wendong Wang, Ying Shi, Zheng Chen
    Energy Engineering, Vol.121, No.10, pp. 2797-2823, 2024, DOI:10.32604/ee.2024.052007
    （This article belongs to the Special Issue: Integrated Geology-Engineering Simulation and Optimizationfor Unconventional Oil and Gas Reservoirs)
    Abstract Deep condensate gas reservoirs exhibit highly complex and variable phase behaviors, making it crucial to understand the relationship between fluid phase states and flow patterns. This study conducts a comprehensive analysis of the actual production process of the deep condensate gas well A1 in a certain oilfield in China. Combining phase behavior analysis and CMG software simulations, the study systematically investigates phase transitions, viscosity, and density changes in the gas and liquid phases under different pressure conditions, with a reservoir temperature of 165°C. The research covers three crucial depletion stages of the reservoir: single-phase flow,… More >

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    251

  • Open Access

    ARTICLE

    CFD Investigation of Diffusion Law and Harmful Boundary of Buried Natural Gas Pipeline in the Mountainous Environment

    Liqiong Chen, Kui Zhao, Kai Zhang, Duo Xv, Hongxvan Hu, Guoguang Ma, Wenwen Zhan
    Energy Engineering, Vol.121, No.8, pp. 2143-2165, 2024, DOI:10.32604/ee.2024.049362
    （This article belongs to the Special Issue: Integrated Geology-Engineering Simulation and Optimizationfor Unconventional Oil and Gas Reservoirs)
    Abstract The leakage gas from a buried natural gas pipelines has the great potential to cause economic losses and environmental pollution owing to the complexity of the mountainous environment. In this study, computational fluid dynamics (CFD) method was applied to investigate the diffusion law and hazard range of buried natural gas pipeline leakage in mountainous environment. Based on cloud chart, concentration at the monitoring site and hazard range of lower explosion limit (LEL) and upper explosion limit (UEL), the influences of leakage hole direction and shape, soil property, burial depth, obstacle type on the diffusion law… More >

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    673

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    218

  • Open Access

    ARTICLE

    Production Capacity Prediction Method of Shale Oil Based on Machine Learning Combination Model

    Qin Qian, Mingjing Lu, Anhai Zhong, Feng Yang, Wenjun He, Min Li
    Energy Engineering, Vol.121, No.8, pp. 2167-2190, 2024, DOI:10.32604/ee.2024.049430
    （This article belongs to the Special Issue: Integrated Geology-Engineering Simulation and Optimizationfor Unconventional Oil and Gas Reservoirs)
    Abstract The production capacity of shale oil reservoirs after hydraulic fracturing is influenced by a complex interplay involving geological characteristics, engineering quality, and well conditions. These relationships, nonlinear in nature, pose challenges for accurate description through physical models. While field data provides insights into real-world effects, its limited volume and quality restrict its utility. Complementing this, numerical simulation models offer effective support. To harness the strengths of both data-driven and model-driven approaches, this study established a shale oil production capacity prediction model based on a machine learning combination model. Leveraging fracturing development data from 236 wells… More >

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    677

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    281

  • Open Access

    REVIEW

    A Research Progress of CO2-Responsive Plugging Channeling Gels

    Yang Xiong, Jianxin Liu, Xianhao Yi, Bangyan Xiao, Dan Wu, Biao Wu, Chunyu Gao
    Energy Engineering, Vol.121, No.7, pp. 1759-1780, 2024, DOI:10.32604/ee.2024.048536
    （This article belongs to the Special Issue: Integrated Geology-Engineering Simulation and Optimizationfor Unconventional Oil and Gas Reservoirs)
    Abstract In the heterogeneous reservoirs, CO2 flooding easily leads to CO2 gas channeling, which can seriously affect sweeping efficiency and reduce oil recovery. After thoroughly investigating the advantages and shortcomings of various CO2 plugging technologies, this paper focuses on the feasibility of improving conventional water-alternating gas (WAG) through CO2-responsive gel materials. Based on the different chemical reaction mechanisms between the unique chemical structure and CO2, changes in the material’s physical and chemical properties can respond to CO2. The feasibility of utilizing these property changes for CO2-responsive plugging is explored. Various CO2-responsive gels and gel nanoparticles have been extensively researched in More >

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    378

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