非常规油气藏复杂储层压裂技术与装备发展现状及趋势

Development Status and Trend of Fracturing Technologies and Equipment for Complex Unconventional Oil and Gas Reservoirs

  • 摘要: 非常规油气藏已成为我国油气增储上产的主力资源,但其经济开发高度依赖水平井体积压裂技术和“井工厂”作业模式,而我国压裂技术与装备整体仍处“跟跑”状态,核心模型算法自主化程度低、高压装备寿命与智能化水平不足、裂缝监测技术存在瓶颈等问题突出,亟需系统性创新突破。文献追踪与对标分析发现,我国在缝网体积压裂工艺、三维裂缝扩展模型精度及超大功率电驱压裂装备研制等方面取得了显著进展,但与国外先进水平相比,国产压裂软件内核算法自主性薄弱、高压单元寿命短、微震监测误差大,且环保型压裂液降解率低、智能滑套监测精度有待提升,制约了复杂储层压裂改造效果。为此,需以体系化思维推动多技术协同创新,重点突破软件自主化、装备智能化、工艺精准化和材料绿色化,力争2030年前建成全球领先的非常规压裂技术体系,支撑油气自给率提升与能源安全战略,推动压裂技术高效性、智能化和低碳化发展。

     

    Abstract: Unconventional oil and gas reservoirs have become the primary resources for increasing hydrocarbon reserves and production in China. However, their development heavily relies on horizontal well network fracturing technology and multi-well pad operation modes, while China’s overall fracturing technology and equipment remain in a “catch-up” phase. Key challenges include low independence of core model algorithms, insufficient service life and intelligent capabilities of high-pressure equipment, and bottlenecks in fracture monitoring technologies, all of which urgently require systematic innovation breakthroughs. Literature review and benchmarking analysis reveal that significant progress has been made in China in terms of network fracturing processes, accuracy of 3D fracture propagation models, and the development of ultra-high-power electric-driven fracturing equipment, etc. Nevertheless, compared to international benchmarks, domestic fracturing technologies face multiple challenges, including insufficient independence in core algorithms of domestic fracturing software, short service life of high-pressure units, low accuracy of microseismic monitoring, low degradation rates of eco-friendly fracturing fluids, and insufficient precision in intelligent sliding sleeves. All of these limitations collectively constrain the stimulation effectiveness for the complex reservoirs. To address these challenges, a systematic approach is essential to drive multi-technology collaborative innovation, focusing on breakthroughs in software autonomy, equipment intelligence, process precision, and material eco-efficiency. By 2030, China aims to establish a globally leading unconventional fracturing technology system, supporting oil and gas self-sufficiency, and energy security strategies while promoting the development of highly efficient, intelligent, and low-carbon fracturing technologies.

     

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