运营商的相国寺 (XGS) 气田设施于 2013 年开始在中国西南部的一个枯竭气田进行地下储气库 (UGS) 运营。在此初始阶段之后，对该场地进行了重新评估，以提高冬季安全的产能，以满足未来的峰值天然气需求。分析结果与适合用途的水库监测系统相结合，为最终的系统设计提供了信息；盖层——实时真实记录压力、岩石变形、地震活动数据；以及定期井眼检查。
XGS UGS 设施目前在四川省一个先前枯竭的气藏中运行。其建设于 2011 年下半年进行；垫层气注入于2013年6月开始。XGS气田地处高构造应力区，地质背景构造复杂、断层频繁，目标碳酸盐岩地层非均质且天然断裂。
当完整论文中描述的研究于 2019 年 11 月开始时，该气田拥有 22.80×10 8 m 3的工作气体以及 19.80×10 8 m 3的缓冲气。截至2020年5月，油藏已完成8次注水、6次抽水循环，最大抽水量21.96×10 6 m 3 /d。
需要重新审视UGS转换计划，分析将抽采率提高至28.55×10 6 m 3 /d的可能性，从而更好地应对未来的天然气需求高峰。
The operator’s Xiangguosi (XGS) gasfield facility began underground gas storage (UGS) operations in a depleted gas field in southwest China in 2013. Following this initial period, the site was reassessed to increase deliverability safely during the winter months to meet future peak gas demand. The results of that analysis informed the resulting system design, in combination with fit-for-purpose reservoir-surveillance systems; caprock‑seal recording pressure, rock deformation, and seismicity data in real time; and regular wellbore inspection.
The XGS UGS facility currently operates in a previously depleted gas reservoir in Sichuan province. Its construction took place during the second half of 2011; cushion gas injection started in June 2013. Located in a high-tectonic-stress region, the geological setting of the XGS field is structurally complex and highly faulted and the targeted carbonate formation is heterogeneous and naturally fractured.
When the studies described in the complete paper commenced in November 2019, the field hosted 22.80×108 m3 of working gas along with 19.80×108 m3 of cushion gas. As of May 2020, the reservoir had completed eight injection and six withdrawal cycles and delivered a maximum withdrawal rate of 21.96×106 m3/d.
The UGS conversion plans required a revisit to analyze the possibility of increasing the withdrawal rate to 28.55×106 m3/d, thereby positioning better for future peak gas demand.
