Zhong Guo Zi Ran Zi Yuan Bao·2025-08-04 01:34Core Insights - The successful launch of the Dongfang 13-3 area development project marks a significant breakthrough for China in offshore complex oil and gas resource development, enhancing national energy security [1][2] Group 1: Project Overview - The Dongfang 13-3 area is located over 110 kilometers from Dongfang City in the Yinggehai sea area, with an average operational water depth of approximately 67 meters [1] - The project includes the installation of two new subsea pipelines and one subsea cable, improving the interconnectivity of the subsea natural gas pipeline network around Hainan Island [1] Group 2: Technological Advancements - The project team utilized past successful experiences in offshore high-temperature and high-pressure gas field drilling to develop drilling fluids tailored to the geological characteristics, achieving a record for the length of high-temperature and high-pressure well operations in China [1] - The new platform is an unmanned wellhead platform that incorporates various digital and intelligent technologies, enabling remote-controlled production [2]