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四川盆地新盛204-3H井完钻 刷新五项纪录
Zhong Guo Xin Wen Wang· 2025-07-02 09:18
Core Viewpoint - The successful completion of the Xinshi 204-3H well by Sinopec Southwest Petroleum Engineering Company sets a new benchmark for drilling efficiency in the Sichuan Basin, achieving five construction records under challenging geological conditions [1][3][6] Group 1: Project Overview - The Xinshi 204-3H well is an evaluation well deployed in the Sichuan Basin, designed to reach a depth of 6020 meters [3] - The drilling faced significant challenges, including high collision risks, long open-hole sections, and narrow construction windows due to developed fractures [3][6] Group 2: Technical Achievements - The drilling team achieved a total depth of 5821 meters with an average mechanical drilling speed of 15.07 meters per hour during the first phase, completing 1809 meters in one trip [6] - In the second phase, the team set records for the highest single trip footage and fastest mechanical drilling speed in the slanted section, with a single trip footage of 534 meters [6] - The horizontal section was completed in a record time of 21.74 days, with a single trip footage of 281 meters, breaking previous records for similar wells [6] Group 3: Implications for the Industry - The success of the Xinshi 204-3H well demonstrates significant technical breakthroughs under complex geological conditions, providing valuable experience for efficient oil and gas development in the Xujiahe Formation of the Sichuan Basin [6]