Xin Lang Cai Jing·2025-09-28 09:11Core Insights - China National Offshore Oil Corporation (CNOOC) announced that the total length of China's subsea oil and gas pipelines has successfully surpassed 10,000 kilometers, positioning the country among the global leaders in this field, marking a significant achievement after 40 years of technological advancements and engineering practices [1] Group 1: Technological Advancements - The subsea pipeline serves as a "lifeline" for offshore oil and gas production systems, connecting various facilities within oil and gas fields and ensuring stable transportation of resources to land terminals [1] - CNOOC has overcome technical challenges related to long-distance multiphase transportation of heavy and high-viscosity oil, as well as the design and installation of subsea pipelines in harsh sea conditions and complex terrains [1] Group 2: Project Achievements - Since the beginning of the 14th Five-Year Plan, CNOOC has enhanced its pipeline laying capabilities, completing over 1,500 kilometers of subsea pipeline installations, with the maximum operational water depth reaching 1,500 meters [1] - The total length of China's subsea oil and gas pipelines is equivalent to nearly twice the straight-line distance from the southernmost to the northernmost points of the country, with specifications ranging from 2 inches to 48 inches, covering single-layer, double-layer, and composite pipelines [1] Group 3: International Expansion - In recent years, CNOOC has undertaken over 10 projects in Southeast Asia, the Middle East, and Africa, laying more than 500 kilometers of subsea pipelines, achieving records for the largest pipeline sizes globally and single-layer installations [1] Group 4: Future Plans - CNOOC plans to continue enhancing its core technological capabilities in subsea pipeline engineering, improve operational equipment series, promote the application of domestically produced equipment, and accelerate the transition to intelligent and digital operations [1]