Analysis of Gas-Bearing Properties of Shale Reservoirs: A Comprehensive Analysis Based on Field Interpretation and Logging Interpretation

IF 3.4 3区工程技术 Q3 ENERGY & FUELS

Energy Science & Engineering Pub Date : 2025-06-03 DOI:10.1002/ese3.70170

Jin Pang, Tongtong Wu, Xinan Yu, Chunxi Zhou, Pei Yu, Haotian Chen, Jiaao Gao

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Abstract

Shale gas, as an important component of unconventional natural gas, plays a crucial role in resource development. This paper proposes a comprehensive analytical method that combines field analysis and well logging interpretation to evaluate gas content in shale reservoirs. Core analysis experiments are conducted to obtain microscopic gas content data, and well logging parameters are calibrated and extended to reveal vertical and lateral distribution characteristics of the reservoir. In the analysis of typical wells in the study area, it is found that gas content in shale gas reservoirs is significantly influenced by total organic carbon (TOC) content, mineral composition, and pore characteristics. Micro-pores and meso-pores mainly store adsorbed gas, while macro-pores and micro-fractures are the primary storage space for free gas. The content of clay minerals significantly suppresses the total gas content and free gas volume, while quartz and TOC content enhance the gas storage capacity of the reservoir. The comprehensive analytical method proposed in this paper overcomes the limitations of single methods and establishes a framework for evaluating gas content in shale gas reservoirs from microscopic to macroscopic scales, providing a scientific basis for resource potential assessment and development planning.

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页岩储层含气性分析——基于现场解释和测井解释的综合分析

页岩气作为非常规天然气的重要组成部分，在资源开发中起着至关重要的作用。本文提出了一种现场分析与测井解释相结合的页岩储层含气量综合评价方法。通过岩心分析实验获取微观含气量数据，对测井参数进行标定和扩展，揭示储层垂向和横向分布特征。通过对研究区典型井的分析发现，页岩气储层含气量受总有机碳（TOC）含量、矿物组成和孔隙特征的显著影响。微孔和中孔主要储存吸附气，大孔和微裂缝是游离气的主要储存空间。黏土矿物含量显著抑制总气量和游离气量，石英和TOC含量增强储层储气能力。本文提出的综合分析方法克服了单一方法的局限性，建立了从微观到宏观尺度的页岩气藏含气量评价框架，为资源潜力评价和开发规划提供了科学依据。

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来源期刊

Energy Science & Engineering Engineering-Safety, Risk, Reliability and Quality

CiteScore

6.80

自引率

7.90%

发文量

298

审稿时长

11 weeks

期刊介绍： Energy Science & Engineering is a peer reviewed, open access journal dedicated to fundamental and applied research on energy and supply and use. Published as a co-operative venture of Wiley and SCI (Society of Chemical Industry), the journal offers authors a fast route to publication and the ability to share their research with the widest possible audience of scientists, professionals and other interested people across the globe. Securing an affordable and low carbon energy supply is a critical challenge of the 21st century and the solutions will require collaboration between scientists and engineers worldwide. This new journal aims to facilitate collaboration and spark innovation in energy research and development. Due to the importance of this topic to society and economic development the journal will give priority to quality research papers that are accessible to a broad readership and discuss sustainable, state-of-the art approaches to shaping the future of energy. This multidisciplinary journal will appeal to all researchers and professionals working in any area of energy in academia, industry or government, including scientists, engineers, consultants, policy-makers, government officials, economists and corporate organisations.