中国深部煤层气研究与勘探开发现状及其发展趋势

Current status and development trends of deep coalbed methane research in China

鞠玮 陶树 杨兆彪 程家耀 尚海燕 宁卫科 吴春龙

JU Wei TAO Shu YANG Zhaobiao CHENG Jiayao SHANG Haiyan NING Weike WU Chunlong

1. 煤层气资源与成藏过程教育部重点实验室, 江苏 徐州 221008; 2. 中国矿业大学 资源与地球科学学院, 江苏 徐州 221116; 3. 中国地质大学(北京) 能源学院, 北京 100083

1. Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process of Ministry of Education, Xuzhou, Jiangsu 221008, China; 2. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China; 3. School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China

深部煤层气的资源潜力巨大，是中国非常规天然气未来规模性增储上产的重要领域。为查明中国深部煤层气研究及勘探开发现状，基于中国知网和万方数据知识服务平台，系统检索并分类统计中国深部煤层气论文，以其为基础分析中国深部煤层气研究现状，探讨其发展趋势，可为发展深部煤层气适应性勘探开发技术提供借鉴。论文年代分布体现了中国深部煤层气研究和产业发展历程：初期探索阶段(1994—2005年)、缓慢发展阶段(2006—2015年)、稳中求进阶段(2016—2020年)和快速发展阶段(2021年以来)。地质—工程“双甜点”预测是深部煤层气开发地质领域的重点研究内容，在地质、工程参数量化表征的基础上，借助三维地质与地质力学建模，开展深部煤层气勘探开发地质—工程一体化研究是保障效益开发的关键路径。煤储层天然裂缝的产出状态及发育程度显著影响压裂改造效果，压裂前后缝网体系的连通性是决定深部煤层气开发效果的重要指标。深部煤层气开发技术及其适用性是未来需重点探讨的方向之一，深化理论认识、定量刻画地质—工程条件、全方位解析影响因素是决定中国深部煤层气进一步快速发展的基础和关键。鄂尔多斯盆地、准噶尔盆地、四川盆地、塔里木盆地等盆地内部深部—超深部煤层气将是研究和勘探开发重点。

Deep coalbed methane (CBM) possesses enormous resource potential and is essential for increasing unconventional natural gas reserves and production on a large scale in China. To understand the current status of CBM research and development in China, systematic retrieval and classification of deep CBM-related publications are conducted using the China National Knowledge Infrastructure (CNKI) database and Wanfang Data Knowledge Service Platform. Based on this analysis, the status of deep CBM research in China is reviewed, and its development trends are discussed, providing insights into adaptive exploration and development technologies for deep CBM. The results indicate that the temporal distribution of publications reflects the evolution of China’s deep CBM research and industrial development, which can be divided into four stages: the initial exploration stage (1994 to 2005), the slow development stage (2006 to 2015), the steady progress stage (2016 to 2020), and the rapid development stage (since 2021). Geological and engineering “dual sweet spot” prediction is a key research focus for deep CBM research. Conducting geology and engineering integrated research for deep CBM exploration and development, based on the quantitative characterization of geological and engineering parameters and using three-dimensional geological and geomechanical modeling, is a critical pathway to ensuring profitable development.The production state and development degree of natural fractures in coal reservoirs significantly affect fracturing transformation. The connectivity of fracture networks before and after fracturing is an important indicator for determining the performance of deep CBM development. The development of deep CBM technologies and their applicability are the key areas to be explored in the future. Deepening theoretical understanding, quantitatively characterizing geological and engineering conditions, and comprehensively analyzing influencing factors are fundamental and crucial for the further rapid development of deep CBM in China. Deep and ultra-deep CBM in basins such as the Ordos, Junggar, Sichuan, and Tarim basins will be the research focus and the key exploration and development areas.

国家自然科学基金面上项目(42372185)和重点项目(42130802)联合资助。

https://doi.org/10.11781/sysydz2025010009