Zhong Guo Hua Gong Bao·2026-02-10 02:52Core Viewpoint - The article highlights the technological advancements and innovations by China National Petroleum Corporation (CNPC) in the field of oil drilling, emphasizing their contribution to national energy security and the improvement of workers' safety and efficiency. Group 1: Technological Innovations - The article discusses the development of various drilling tools, including the BH-MSP soluble bridge plug, which balances strength and dissolution speed, allowing for automatic dissolution after 4 to 7 days under 70 MPa pressure, thus enhancing safety and efficiency in shale gas extraction [4][5]. - The BH-FDR pressure-breaking floating casing technology improves casing installation efficiency by over 30%, significantly reducing the time workers spend on-site [5]. - The use of titanium alloy drill rods, which are 40% lighter than traditional steel rods, enables deeper drilling and reduces the physical burden on workers, showcasing advancements in material technology [5][6]. Group 2: Impact on Energy Security and Worker Safety - The innovations have led to the successful completion of over 1,000 well services and the application of more than 6,000 tools, contributing to the safe and efficient development of unconventional oil and gas resources in China [4][5]. - The floating casing technology has achieved a 100% success rate in over 300 well constructions, alleviating the challenges faced by drilling workers and enhancing their safety [5][6]. - The article emphasizes that these technological breakthroughs not only improve operational efficiency but also ensure the continuous supply of energy to households, reflecting a commitment to national energy security [8].