Zhong Guo Xin Wen Wang·2025-09-17 06:16Core Insights - China Petroleum & Chemical Corporation (Sinopec) has made significant progress in its "Deep Earth Engineering: Sichuan-Chongqing Natural Gas Base" project, with two evaluation wells in the Sichuan Province's shale gas field exceeding a production capacity of one million cubic meters [2][3] - The Ziyang 2-501HF well achieved a record daily gas output of 1.407 million cubic meters, marking the highest testing production for shale gas in China [2] - The successful production from these wells indicates a promising outlook for the development of ultra-deep shale gas in the Sichuan Basin, which is crucial for advancing China's shale gas exploration [2] Production Details - Currently, three wells have been put into production at the platform where the two evaluation wells are located, with each well maintaining a stable daily gas output of over 150,000 cubic meters [2] - The targeted layer for these wells is the Cambrian system, which dates back 540 million years, representing the oldest shale system globally to achieve large-scale exploration [2] Future Developments - In 2024, following the breakthrough in Cambrian shale gas exploration at the Ziyang 2 well, Sinopec's Southwest Petroleum Bureau will implement the first ultra-deep shale gas development experimental well group at the same platform [2] - The new approach combines natural fractures with artificial fractures to unlock nearly 5,000 meters of ultra-deep shale gas reservoirs, with both Ziyang 2-501HF and 502HF wells yielding high gas flow [2] - This development opens the door for the effective exploitation of high-quality gas resources in Ziyang [2][3]