Yang Shi Wang·2025-09-17 10:17Core Insights - China Petroleum & Chemical Corporation (Sinopec) has achieved a record-breaking shale gas production in the Ziyang shale gas field located in the Sichuan Basin, with two wells testing over one million cubic meters of gas output, marking a new milestone for shale gas production in China [1] - One of the wells recorded a daily gas output of 1.407 million cubic meters, tapping into a Cambrian formation that is 540 million years old, representing one of the oldest shale systems globally to achieve large-scale exploration [1] - The successful testing of these high-yield wells, located at depths of 4,500 meters, significantly expands the development potential and resource capacity for shale gas in China [1] Technical Innovations - The geological conditions in the Ziyang region are complex, characterized by thick strata, deep burial, high pressure, and high temperature, presenting significant challenges for drilling operations [3] - The research and development team has innovatively utilized the largest scale sand-carrying fracturing integrated device in China, leading to the creation of a new technology for ultra-deep shale gas fracturing, which represents a strategic breakthrough in both the breadth and depth of shale gas exploration and development [3]