储气库每年7个月注气，4个月采气。采用我国自主研发的40兆帕高压大排量离心式注气压缩机，实现成套设备100%国产化，大幅提升储气库的注气效率。 中国石油塔里木油田迪那采油气管理区设备工程师 张勇：经过严格测试，其机械性能和试验主要指标均达到了国际先进水平，填补了国内空白。 今天（12月3日），记者从中国石油了解到，塔里木盆地最大储气库——塔里木油田牙哈储气库地面扩建工程日前完工，日注气能力增加1000万立方米。 牙哈储气库依托深层高压大型整装的牙哈凝析气田而建设，气藏平均埋深超5100米，是我国在超5000米地下深层建设的库容量最大的储气库。 中国石油塔里木油田迪那采油气管理区经理 陈文龙：牙哈储气库新建集注站1座，最高日产气可达2000万立方米，承担着西气东输管网的季节调峰、应急供 气、国家能源战略储备等重要任务。 在加快地面建设的同时，塔里木油田提前着手开展环塔里木盆地4座储气库年度注气，注气量达12亿立方米，创下历史新高。 ...

Core Viewpoint - The successful development and deployment of China's first fully domestically produced 40 MPa high-pressure large-capacity centrifugal gas injection compressor marks a significant achievement in the gas storage industry, breaking foreign technology monopolies and reducing costs by over 50% compared to imported equipment [1][2]. Group 1: Technological Advancements - The compressor features a compact drive scheme using "variable frequency motor + gearbox + coaxial high and low pressure cylinders," which significantly reduces footprint and investment costs [2]. - Innovations include the use of narrow three-dimensional spark erosion processing technology for the impeller, suitable for high pressure, high efficiency, and low flow conditions [2]. - The development of rotor structure optimization and dynamic analysis methods allows for precise calculations of rotor thrust under high-pressure conditions, addressing sealing deformation and gas excitation issues through a "honeycomb structure + counter-rotating flow seal" combination [2]. Group 2: Performance and Capacity - The newly developed high-pressure centrifugal compressor has a daily processing capacity of 5.5 million cubic meters, with an injection pressure of 40 MPa and a motor power of 23 MW, significantly enhancing the gas storage efficiency [1]. - The compressor is currently in the installation and debugging phase, with plans for official operation in October [2].

Core Viewpoint - The successful deployment of China's first fully domestically produced 40 MPa high-pressure large-capacity centrifugal gas injection compressor at the Yaha gas storage facility in the Tarim Oilfield marks a significant milestone in achieving complete equipment localization in the gas storage sector, breaking foreign technology monopolies and enhancing national energy security [1][2]. Group 1: Technological Advancements - The research team developed several key innovative technologies for the domestication of high-pressure centrifugal compressors, including a compact drive scheme using "variable frequency motor + gearbox + coaxial high and low pressure cylinders," which significantly reduces footprint and investment costs [2]. - The innovative impeller manufacturing utilized narrow three-dimensional spark erosion processing technology, successfully creating impellers suitable for high pressure, high efficiency, and low flow conditions [2]. - The team optimized the high-pressure cylinder rotor structure, accurately calculating rotor thrust under high-pressure conditions and addressing sealing challenges with a "honeycomb structure + counter-rotating flow seal" combination technology [2]. Group 2: Economic Impact - The 40 MPa high-pressure centrifugal compressor has entered the installation and debugging phase, resolving key supporting issues for the Yaha gas storage facility, and reducing costs by over 50% compared to imported equipment [2]. - The technology developed has broad application potential in industries such as petroleum, petrochemicals, and metallurgy, indicating significant promotional value [2].

Core Insights - The first domestically produced 40 MPa high-pressure large-capacity centrifugal gas injection compressor has been successfully implemented at the Yaha gas storage facility in the Tarim Oilfield, marking a significant milestone in China's gas storage technology [1][2] - This development signifies the complete localization of gas storage equipment, breaking foreign technology monopolies and providing new technical support for national energy security [1][2] Group 1: Equipment and Technology - The 40 MPa compressor is designed to handle a daily natural gas volume of 5.5 million cubic meters, with an injection pressure of 40 MPa and a motor power of 23 megawatts, significantly enhancing the gas storage efficiency [2][5] - The compressor's development involved collaboration with Shenyang Blower Group Co., Ltd., focusing on key technologies such as high-pressure cylinder design and efficient flow models, resulting in a product with completely independent intellectual property rights [5] - Innovative technologies include a compact drive scheme using "variable frequency motor + gearbox + high-low pressure cylinder coaxial" to reduce footprint and investment costs, as well as advanced manufacturing techniques for the impeller [5] Group 2: Project Overview - The Yaha gas storage facility is located in the Kucha area of Aksu, Xinjiang, and is China's first deep-layer condensate gas storage facility, part of a key construction project by China National Petroleum Corporation [2] - The construction of the gas storage facility follows a phased approach, with an initial working gas volume of 2.4 billion cubic meters, aimed at seasonal peak shaving and emergency gas supply for five regions in southern Xinjiang [2] - Upon completion of the second phase, the facility will achieve a strategic working gas volume of 5 billion cubic meters, enhancing the peak shaving and emergency gas supply capabilities of the West-to-East Gas Transmission pipeline [2]