Hai Nan Ri Bao·2025-11-05 01:43Core Insights - "Deep Sea No. 1" is China's largest offshore gas field, with an annual production capacity exceeding 4.5 billion cubic meters [5][8] - The project has achieved a daily gas production of up to 15 million cubic meters, marking a significant milestone in deep-sea oil and gas development in China [6][8] Production Capacity - The "Deep Sea No. 1" gas field has a total of 23 underwater gas wells that are now operational, contributing to its status as the largest offshore gas field in China [5][6] - The gas produced is transported to various regions, including Hainan Free Trade Port and the Guangdong-Hong Kong-Macao Greater Bay Area, benefiting numerous households and industries [5][8] Technical Achievements - The project faced extreme geological conditions, with the highest formation temperature reaching 138 degrees Celsius and maximum pressure exceeding 69 MPa, presenting significant technical challenges [6][9] - "Deep Sea No. 1" has become the deepest and most challenging deep-water gas field developed independently in China, showcasing advanced technology and engineering capabilities [6][9] Innovative Development Model - The project utilized a pioneering development model combining underwater production systems, shallow water jacket platforms, and deep-water semi-submersible platforms, which is a first in the industry [7] - The infrastructure includes a vast network of underwater pipelines and platforms, spanning over 170 kilometers and operating at depths exceeding 1,500 meters [7][8] Future Prospects - The successful implementation of "Deep Sea No. 1" is expected to enhance the development of other complex deep-water oil and gas reserves, contributing to China's energy supply and supporting the transition to a greener energy structure [7][9]