Sinopec Corp.(SH:600028) Zhong Guo Xin Wen Wang·2026-01-12 09:43Core Insights - The successful completion of the Fubao 2HF well marks a significant breakthrough in complex geological drilling technology in the region, achieving a total drilling depth of 3,796 meters in 119.46 days, which is 41.74 days shorter than the target [1][3] - The well set four records in the work area, including the longest single trip drilling distance and the shortest construction cycle for both secondary drilling and horizontal well side drilling [1][3] Group 1 - The Fubao 2HF well is a key exploratory well deployed by Sinopec Exploration Company in the complex geological structure of the Banan District in Chongqing, facing numerous challenges such as high risk of well leakage and difficult directional drilling [3] - The project team adopted an integrated geological engineering approach, enhancing collaboration between the Fuling project department and the drilling company to manage risks and optimize geological design and engineering execution [3][4] Group 2 - A joint technical team innovatively applied a composite drilling technology combining "efficient PDC drill bits, rotary steering tools, and screw drilling" for the first time in the area, increasing the mechanical drilling speed by 40% compared to conventional methods [3][5] - The well achieved a 100% recovery rate for continuous core sampling over a specific interval, with an overall recovery rate of 98.7%, demonstrating the effectiveness of the integrated collaboration [4][5] Group 3 - The successful completion of the Fubao 2HF well under water-based drilling fluid conditions and the application of rotary steering technology provides a replicable and scalable technical system for efficient and safe drilling in complex formations [5] - The collaboration will continue to refine the integrated working mechanism and promote technological innovation and management improvements to support further breakthroughs in regional oil and gas exploration [5]