Core Insights - China Petroleum & Chemical Corporation (Sinopec) has set a new record in shale gas production with two wells in the Ziyang shale gas field, each exceeding one million cubic meters in output, marking a significant achievement in China's shale gas industry [1] Group 1: Production Achievements - One of the wells achieved a daily gas output of 1.407 million cubic meters, which is a record for shale gas production in China [1] - The gas reservoir being developed dates back 540 million years to the Cambrian period, representing one of the oldest shale formations globally to achieve large-scale exploration [1] Group 2: Technical Innovations - The successful high-yield wells are located in ultra-deep shale gas exploration areas, at depths of 4,500 meters, indicating a significant expansion of China's shale gas development potential [1] - The drilling faced complex geological conditions, including thick strata, deep burial, high pressure, and high temperature, which posed significant engineering challenges [1] - The team innovatively utilized the largest scale sand-carrying fracturing integrated device in China, leading to a strategic breakthrough in shale gas fracturing technology [1]