Core Viewpoint - The discovery of the Yongchuan shale gas field in Sichuan Basin, with newly confirmed geological reserves of 124.588 billion cubic meters, marks the successful identification of another large-scale deep shale gas field in China, which will effectively support the construction of a 100 billion cubic meter production capacity base in the Sichuan-Chongqing region and provide clean energy for the development of the Yangtze River Economic Belt [2][4]. Group 1 - The Yongchuan shale gas field is located in Yongchuan District, Chongqing, within the complex structural area of the southern Sichuan Basin, with a main burial depth exceeding 3,500 meters, representing a typical deep shale gas reservoir [4]. - In 2016, the Yongchuan shale gas field was discovered following a significant breakthrough at the Yongyue 1HF well [4]. - By 2019, the confirmed geological reserves of the gas field reached 23.453 billion cubic meters, and subsequent exploration efforts led to an increase in overall confirmed geological reserves to 148.041 billion cubic meters [6]. Group 2 - The Deputy General Manager of Sinopec Southwest Petroleum Bureau, Xiong Liang, stated that a large amount of high-precision three-dimensional seismic data for deep shale gas has been collected, leading to the development of new structural display mapping technology and high-precision imaging technology [8]. - The next steps involve a strategy of constructing, evaluating, and tackling challenges in the development of shale gas in the southern Sichuan region, laying the resource foundation for achieving a production target of 3 billion cubic meters during the 14th Five-Year Plan [8].

此外，攻关团队创新深层页岩气差异化改造思路，创新形成强支撑体积压裂工艺，让埋藏地底下的页岩气沿着这些立体通道源源不断涌流而出，大幅提升 深层页岩气的开发效率，平均单井经济可采储量显著上升。 ▲中国石化西南石油局永川页岩气田永页16平台地面流程建设现场 ▲中国石化西南石油局永川页岩气田永页54平台 8月14日，记者从中国石化新闻办获悉，中国石化"深地工程·川渝天然气基地"获重大突破，由中国石化西南石油局提交的永川页岩气田新增探明地质储量 1245.88亿立方米通过自然资源部专家组审定，标志着我国又一个超千亿立方米的大型深层整装页岩气田诞生，将有效支撑川渝千亿方产能基地建设，为 长江经济带发展提供清洁能源保障。 永川页岩气田属于深层页岩气，位于重庆市永川区境内，处于四川盆地川南复杂构造区，主体部分埋深大于3500米。2016年，西南石油局在该区部署的首 口预探井永页1HF井取得勘探重大突破，由此发现永川页岩气田。2019年，新增探明地质储量234.53亿立方米通过自然资源部专家组审定。随后，中国石 化在勘探开发难度更大的永川中北区持续攻关，最终实现本次永川页岩气田的整体探明，整体探明地质储量达1480.41亿立方 ...