Special Issues

Enhanced Oil and Gas Recovery in Unconventional Reservoirs

Submission Deadline: 31 December 2025 View: 729 Submit to Special Issue

Guest Editors

Dr. Yu Peng

Email: pengyu_frac@foxmail.com

Affiliation: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China

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Research Interests: rock mechanics, heat and mass transfer, fracture mechanics, rheology, interdisciplinary application of mathematics, and numerical simulations related to oil & natural gas development.

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Dr. Zhenglan Li

Email: lizhenglanswpu@163.com

Affiliation: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China

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Research Interests: enhanced oil recovery, reactive transport, carbonate acid stimulation, naturally fractured and vuggy reservoirs, Underground Hydrogen Storage (UHS), and Geological Carbon Sequestration.

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Dr. Xiaoshuang Chen

Email: xiaoshuang.chen@utexas.edu

Affiliation: Hildebrand Department of Petroleum and Geosystems Engineering, The University of Texas at Austin ,200 E. Dean Keaton, Austin, TX 78712 USA

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Research Interests: fluid flow and transport phenomena, materials degradation kinetics, well stimulation, energy system optimization, subsurface engineering, and flow assurance in oil and natural gas development.

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Dr. Yunjin Wang

Email: wangyj@cup.edu.cn

Affiliation: National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum Beijing, Beijing 102249, China

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Research Interests: hydraulic fracturing, matrix acidizing, acid fracturing, seepage, machine learning, prediction, optimization, neural network, petroleum exploration, chemical reaction, simulation.

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Summary

Unconventional oil and gas reservoirs (such as shale, tight sandstone, tight carbonate and natural gas hydrate) have the remarkable characteristics of low porosity, low permeability, low oil and gas recoveries. During the the development of unconventional reservoirs, many processes may impact their recovery efficiency significantly, such as geological exploration, well drilling, well completion, hydraulic fracturing, production and transportation processes. Conducting theoretical, experimental, numerical simulation and field application researches on different or interrelated processes of unconventional reservoir development is of great significance for improving the recovery of unconventional reservoirs.


This special issue considers new theoretical and technological achievements in the development of unconventional oil and gas resources. Its main goal is the provision of a high-level platform for sharing innovations and insights into this field.


We welcome all types of manuscripts, including original research articles, review articles, and perspectives. With respect to the above topics, original contributions are solicited from researchers in academia as well as industry working in areas including, but not limited to:
• Progress in enhanced oil and gas recovery technologies for unconventional reservoirs
• Carbon Capture, Utilization, and Storage (CCUS) in the development of unconventional reservoirs
• Research on high-quality and efficient drilling and completion technology in complex formations
• Optimization of fracturing parameters and fracture network pattern
• Research on the synthesis and evaluation of working fluids in the development of unconventional reservoirs
• Reservoir simulation and numerical modelling
• Experimental and numerical simulation studies on multi-field and multi-phase processes


Keywords

unconventional oil and gas resources, enhanced oil and gas recovery, multi-field coupling, seepage mechanisms, hydraulic fracturing, numerical simulation, parameter optimization, polymer

Published Papers


  • Open Access

    ARTICLE

    Geostress Evolution and Construction Parameter Optimization in Shale Gas Infill Well Development

    Yongjun Xiao, Yuduo Sun, Jian Zheng, Xiaojin Zhou, Wang Liu, Cheng Shen, Qi Deng, Hao Zhao
    Energy Engineering, DOI:10.32604/ee.2025.070942
    (This article belongs to the Special Issue: Enhanced Oil and Gas Recovery in Unconventional Reservoirs)
    Abstract The shale gas development in China faces challenges such as complex reservoir conditions and high development costs. Based on the pore pressure and geostress coupling theory, this paper studies the geostress evolution laws and fracture network characteristics of shale gas infill wells. A mechanism model of CN platform logging data and geomechanical parameters is established to simulate the influence of parent well’s production on the geostress in the infill well area. It is suggested that with the increase of production time, normal fault stress state and horizontal stress deflection will occur. The smaller the parent… More >

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