记者10月31日从中国石油辽河油田获悉，马19先导试验工程近日顺利通过中国石油集团 油气和新能源公司验收，标志着马19储气库正式迈向可行性研究新阶段，成为国内强水淹油 气藏改建储气库的先行者。 作为东北地区最大的调峰保供中心，辽河油田储气库群已不再局限于早期的枯竭型油气 藏单一模式，而是形成了涵盖油气藏型储气库群、气藏型储气库等多种类型的协同发展新格 局。其中，马19块作为国内首例强水淹油气藏建库，存在气驱排液效率不清晰、建库运行模 式不明确等瓶颈难题，强水淹型油气藏改建领域面临巨大挑战。 为此，辽河油田勘探开发研究院科研团队锚定"建库可行性、注排采能力、建库效率、 建库方式"四大建库核心难题设计先导试验。在研究过程中，科研团队双线并进，一方面组 织岩石力学实验，获取突破压力等关键力学参数，结合室内实验构建四维地质力学模型，精 准模拟储气库全生命周期的动态压力场，运用多指标综合评价体系论证圈闭密封性，为储气 库建设筑牢安全基石。另一方面，他们在建库模式方面大胆创新，提出"异步注排"运行模 式，有效解决低倾角高渗储层高速注气过程中的快速气窜问题，推动人工气顶初步形成。现 场实践证实，该建库模式高效实用，单井注采 ...

Core Insights - National energy investment in China has shown rapid growth, with key projects completing investments of 1.97 trillion yuan in the first eight months of the year, representing an 18.2% year-on-year increase [1] Group 1: Investment Growth Characteristics - Nuclear power, power grids, new energy storage, and coal power have been significant drivers of investment growth in energy projects [1] - Wind power, modern coal chemical industry, oil and gas storage facilities, charging infrastructure, and hydrogen energy investments have seen rapid increases, with wind power investment growing over 40% year-on-year [2] - Solar power generation, integrated energy systems, oil and gas exploration, and pumped storage investments have steadily increased, with solar power project investments rising by 17.5% year-on-year [3] Group 2: Regional Investment Highlights - Six provinces (Shandong, Jiangsu, Guangdong, Xinjiang, Yunnan, Inner Mongolia) each completed investments exceeding 100 billion yuan in the first eight months [1] - Significant investment in wind power projects has been noted in regions such as Xinjiang, Hebei, Guangxi, Shandong, and Hunan [2] - Major oil and gas projects are progressing in the Bohai Sea and Jianghan shale gas fields, with proven reserves of 165 billion cubic meters [3]

Core Viewpoint - China Petroleum announced that its board approved a resolution on August 26, 2025, to sign a purchase agreement for the acquisition of 100% equity of a target company, with a total consideration of RMB 40.016 billion (excluding tax) [1] Summary by Relevant Categories Acquisition Details - The total consideration for the acquisition is RMB 40.016 billion, which is based on preliminary evaluations by appraisers [1] - The breakdown of the acquisition costs includes: - RMB 17.066 billion for the Xinjiang gas storage facility [1] - RMB 9.995 billion for the Xiangguo Temple gas storage facility [1] - RMB 12.955 billion for the Liaohe gas storage facility [1]

Core Insights - The Bai Miao shallow gas storage facility has officially commenced operations, increasing the total number of gas storage facilities in the Central Plains gas storage cluster to seven, with a total capacity exceeding 14.295 billion cubic meters [1][2] - The Central Plains gas storage cluster is now the largest underground gas storage cluster in China, providing essential seasonal peak shaving and emergency gas supply for the North China region, including Beijing, Tianjin, and Hebei [1] - The Bai Miao shallow gas storage facility has a designed capacity of 708 million cubic meters and a working gas volume of 343 million cubic meters, with a daily injection capacity of 2.4 million cubic meters and a daily extraction capacity of 5 million cubic meters [1] Industry Impact - With the addition of the Bai Miao shallow gas storage facility, the maximum daily peak shaving capacity of the Central Plains gas storage cluster is expected to reach 58 million cubic meters, sufficient to meet the daily gas needs of 58 million households during peak usage [2]

Core Viewpoint - The National Pipeline Group is making significant progress in the construction of a unified national pipeline network, with a strong focus on safety, quality, and timely completion of projects as it approaches the halfway mark of its 2025 goals [1]. Group 1: Major Pipeline Projects - The "West-to-East Gas Transmission Project" Phase III has a total length of 2,090 kilometers, with the middle section completed and expected to be operational by September this year [4]. - The "West-to-East Gas Transmission Project" Phase IV has a total length of 3,340 kilometers and an annual gas transmission capacity of 15 billion cubic meters, with the section from Turpan to Zhongwei already completed and operational [6]. - The "Hulin-Changchun Natural Gas Pipeline" project spans 2,073 kilometers and is designed for an annual gas transmission capacity of 10 billion cubic meters, with the main welding completed and expected to be operational by the end of this year [8]. - The "Zhangzhou LNG Receiving Station" Phase I has been put into operation, while Phase II is under construction and expected to be operational by the end of August this year [9]. - The "Guangxi LNG Export Pipeline" project has a total length of 346.8 kilometers and an annual gas transmission capacity of 1 billion cubic meters, with 217 kilometers of welding completed [11]. - The "Tianjin LNG Export Pipeline" project has a total length of 136.84 kilometers and an annual gas transmission capacity of 15.6 billion cubic meters, with the Hebei section already operational [13]. - The "Lianyungang to Yizheng Crude Oil Pipeline" project spans 435 kilometers and has an annual oil transmission capacity of 18.5 million tons, with over 85% of the pipeline laid [15]. - The "Jintan Gas Storage Facility Expansion" project has made significant progress in the first half of this year, with key systems installed and successfully powered [17]. Group 2: Provincial Key Projects - The "Longkou Nanshan LNG Receiving Station" project has a pipeline length of 29.4 kilometers and a daily gas transmission capacity of 8.9 million cubic meters, currently completed and ready for operation [20]. - The "Shenzhen LNG Emergency Peak Shaving Station" project features two 200,000 cubic meter underground LNG storage tanks, with the first phase completed [22]. - The "Hainan LNG Receiving Station" Phase II is under construction, with three 220,000 cubic meter LNG storage tank foundations completed [24]. - The "Nanning-Pingxiang Branch Line" has successfully commenced operations, connecting the city of Chongzuo to the national natural gas main pipeline network [26]. - The "Nenjiang Direct Natural Gas Pipeline" project spans 194 kilometers and is designed for an annual transmission capacity of 863 million cubic meters, with the entire line completed and expected to be operational by September [28].