Core Viewpoint - China Energy Construction Digital Technology Group has successfully conducted the world's largest artificial cavern gas storage in-situ testing platform, achieving a breakthrough in high-pressure gas storage technology and setting multiple world records [1][2] Group 1: Technological Achievements - The testing platform reached a pressure of 18 MPa, which is the highest level globally, and validated the performance indicators of gas storage, including sealing and stability, meeting international first-class standards [1] - The platform established five world records and eight pioneering achievements, showcasing its capabilities in ultra-high pressure, ultra-tight sealing, ultra-high reliability, comprehensive perception, and high efficiency [1][2] Group 2: Project Details - The laboratory is the largest and most advanced artificial cavern in-situ testing platform globally, with a maximum depth of 110 meters and a maximum testing pressure of 20 MPa, featuring dual-cave synchronous testing capabilities [1] - The project was initiated in December 2022 and is expected to be operational by August 2024, addressing the safety and economic challenges of high-pressure, multi-medium, long-cycle gas storage [1] Group 3: Industry Impact - The breakthrough expands the utilization space for deep underground resources under ultra-high pressure and large fluctuations, supporting the dual carbon goals and the construction of a new energy system [2] - The technology not only supports high-pressure air storage but is also applicable to hydrogen, natural gas, ammonia, and oil and gas storage, facilitating integrated energy systems and strategic reserves [2] - The achievements align with the Gansu Jiuquan 300 MW compressed air energy storage demonstration project, marking a revolutionary breakthrough in China's compressed air energy storage industry [2]