Yang Shi Wang·2025-09-17 04:59Group 1 - The core point of the news is that China Petroleum & Chemical Corporation (Sinopec) has achieved a record-breaking shale gas production in the Ziyang shale gas field, with two wells testing production exceeding one million cubic meters [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, marking it as the oldest shale layer system globally for large-scale exploration [1] - The successful test production significantly expands the development space and resource potential for shale gas in China [1] Group 2 - The geological engineering conditions in the Ziyang area are complex, with challenges including thick strata, deep burial, high pressure, and high temperature, making drilling operations particularly difficult [2] - The team has innovatively utilized the largest scale sand-carrying fracturing integrated device in China, leading to a strategic breakthrough in the exploration and development of ultra-deep shale gas [2]