我国刷新多项亚洲页岩气井施工纪录

Core Viewpoint - China Petroleum & Chemical Corporation (Sinopec) has successfully completed the drilling of the Jiao Ye 44-Z5HF well in the Fuling shale gas field, setting multiple records in Asia for shale gas wells and providing a new model for efficient shale gas development [1] Group 1: Drilling Achievements - The Jiao Ye 44-Z5HF well reached a total depth of 8,517 meters and a horizontal section length of 5,442 meters, with a drilling cycle of 53.88 days [1] - This well has set records for the deepest shale gas well in Asia, the longest horizontal section for onshore wells in Asia, and the shortest drilling cycle for Sinopec wells exceeding 8,000 meters [1] Group 2: Technological Innovations - The project team developed a high-performance equipment system suitable for ultra-deep and ultra-long horizontal section operations [1] - An integrated geological engineering efficient construction system was established, utilizing optimized rotary steering tools and high-efficiency wear-resistant drill bits to track geological and engineering parameters in real-time [1] Group 3: Fracturing Techniques - The team introduced a "differentiated precision design" strategy during the fracturing process, tailoring technical solutions based on well depth and geological conditions [1] - A "segmented strategy and precise control" fracturing technology system was formed, successfully addressing sand blockage prevention and resolution challenges in ultra-long horizontal wells, significantly enhancing fracturing strength and transformation effects [1]