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Core Insights - China National Offshore Oil Corporation (CNOOC) announced significant progress in the large-scale application of offshore heavy oil thermal recovery technology, achieving a cumulative production of over 5 million tons, making China the first country globally to realize large-scale thermal recovery of offshore heavy oil [2] Group 1: Technology and Equipment - Heavy oil, characterized by high viscosity, density, poor fluidity, and tendency to solidify, poses significant extraction challenges, especially in offshore environments where operational space is limited and costs are high [2] - CNOOC has developed world-leading equipment capable of withstanding temperatures of 350°C for thermal recovery, along with efficient small-scale heating injection equipment, downhole safety control systems, and long-lasting sand control devices [2] - The company has designed and constructed the world's first mobile heating injection platform, "Thermal Recovery No. 1," filling a gap in China's offshore heavy oil thermal recovery equipment sector [2] Group 2: Production Areas - The offshore heavy oil thermal recovery efforts are primarily concentrated in the Bohai Sea, with key thermal recovery oil fields established, including Nanpu 35-2, Luda 21-2, and Jinzhou 23-2 [2]