我国深层煤层气勘探开发实践及高质量发展措施建议

Proposed measures for deep coalbed methane exploration and production practices and high-quality development in China

  • 摘要: 煤层气作为天然气供应的重要补充,对保障国家能源安全、推动能源结构低碳转型具有重要意义。近年来,深层煤层气的战略性突破,推动我国煤层气产业进入以“深部、高产、综合效益”为特征的新发展阶段。基于鄂尔多斯盆地深层煤层气的勘探开发实践,系统梳理其独特地质规律,指出其突破得益于三大核心认识的革新:地质理论的颠覆性突破、资源潜力的战略新认识以及工程技术的系统性创新。针对当前产业面临的“甜点预测难、产量递减快、采收率偏低”等瓶颈,提出深层煤层气高质量发展的系统性建议:加强科技创新要素投入,给予政策支持,打通“探、评、采”链条,探索推动多气合采,提高开发效益和资源综合利用率;通过系统化制度建设与创新驱动,深层煤层气产业有望实现从“战略突破”向“规模效益”跨越,成为我国天然气供应体系中的重要战略接替资源。

     

    Abstract: Coalbed methane (CBM), as an important supplement to natural gas supply, is of great significance for ensuring national energy security and promoting a low-carbon transition in the energy structure. In recent years, strategic breakthroughs in deep CBM have driven China's CBM industry into a new stage of development characterized by "deep reservoirs, high yield, and comprehensive benefits." Based on exploration and development practices of deep CBM in the Ordos Basin, this study systematically reviews its unique geological patterns and points out that these breakthroughs have relied on three core innovations: transformative advances in geological theory, a strategic reassessment of resource potential, and systematic innovations in engineering technology. To address current bottlenecks faced by the industry, such as difficulty in predicting sweet spots, rapid production decline, and low recovery rates, systematic suggestions for high-quality development of deep CBM are proposed. At the technical level, it is necessary to strengthen research on enrichment patterns, develop differentiated fracturing and efficient drainage and production technologies, and form a comprehensive standard system. At the policy level, it is suggested to strengthen investment in technological innovation elements, provide policy support, connect the "exploration, evaluation, and production" chain, explore and promote multi-gas combined production, and improve development efficiency and comprehensive resource utilization. Through systematic institutional construc- tion and innovation-driven development, the deep CBM industry is expected to achieve a leap from strategic breakthroughs to large-scale benefits, becoming an important strategic successor resource in China's natural gas supply system.

     

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