四川盆地天然气资源潜力

doi:10.3969/j.issn.1672-7703.2017.03.002

摘要/Abstract

摘要： 近年来，四川盆地常规和非常规天然气勘探取得一系列进展和突破，地质认识和资源潜力等不断更新，急需对四川盆地天然气资源开展综合评价，进一步摸清天然气资源，为加快四川盆地天然气勘探开发提供依据。梳理总结四川盆地近10 年来的勘探进展，确定评价资源类型，明确评价目标和评价方法，评价得到常规天然气地质资源量20.69×10¹²m³，可采资源量11.20×10¹²m³，包括致密气地质资源量5.87×10¹²m³，可采资源量2.35×10¹²m³；页岩气地质资源量57.46×10¹²m³，可采资源量10.01×10¹²m³，并总结天然气资源分布规律，分析评价结果与以往相比变化原因。研究结果表明，四川盆地天然气资源丰富、潜力巨大，勘探开发前景广阔，未来应加强深层、超深层勘探，推进多层系立体勘探，加快发展非常规油气勘探，力争实现天然气持续快速发展。要继续保持天然气勘探快速发展态势，必须加强油气地质理论、勘探开发技术、资源调查评价和管理体制改革等多个方面研究。

关键词: 四川盆地, 天然气, 致密气, 页岩气, 资源评价, 资源潜力

Abstract: In recent years, a series of progress and breakthroughs have been made in the conventional and unconventional natural gas exploration in the Sichuan Basin, and the geological cognitions and resource potentials have been updated constantly. At present, it is in urgent need to assess the natural gas resources in the Sichuan Basin comprehensively, so as to figure out the natural gas resources and provide a basis for promoting the exploration and development of natural gas in this basin. In this paper, the exploration progress in the Sichuan Basin during the past decade was analyzed, the types of assessed resources were determined, and the assessment targets and methods were defined. According to the assessment, the conventional gas in place is 20.69×10¹²m³ (recoverable: 11.20×10¹²m³), including tight gas 5.87×10¹²m³ (recoverable: 2.35×10¹²m³), and shale gas 57.46×10¹²m³ (recoverable: 10.01×10¹²m³). Moreover, the distribution laws of natural gas resources were summarized, and the reasons for the differences between the current assessment results and the previous ones were illustrated. It is indicated that the natural gas resources in the Sichuan Basin are abundant with great potentials, with promising exploration and development. It is recommended to strengthen deep and ultra-deep explorations, to promote multi-formation stereoscopic exploration, and to speed up unconventional oil and gas exploration, so as to develop the natural gas resources rapidly and sustainably. In order to keep the rapid development of natural gas exploration, it is necessary to reinforce the studies on petroleum geological theories, exploration and development technologies, resource investigation and assessment, and management system reform.

Key words: Sichuan Basin, natural gas, tight gas, shale gas, resource assessment, resource potentials

中图分类号:

TE122.1

郑志红, 李登华, 白森舒, 贾君, 昝昕, 刘卓亚, 高煖. 四川盆地天然气资源潜力[J]. 中国石油勘探, 2017, 22(3): 12-20.

Zheng Zhihong, Li Denghua, Bai Senshu, Jia Jun, Zan Xin, Liu Zhuoya, Gao Xuan. Resource potentials of natural gas in Sichuan Basin[J]. China Petroleum Exploration, 2017, 22(3): 12-20.

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