On February 19, 2013, from the sea oil gas transmission pipe co., LTD., as during the "twelfth five-year" key project of the island of hainan province network of wenchang a qionghai, sanya gas transmission pipeline engineering feasibility study report at the end of 2012 through the review, at present has entered the stage of preliminary design and detailed design. After the completion of the project will change the energy structure of 5 cities and counties in eastern hainan, pipe instead of compressed natural gas and liquefied petroleum gas, natural gas will significantly improve the local environment.

Circle pipe wenchang a qionghai, sanya gas pipeline project, cnooc gas pipeline co., LTD., at the request of cnooc and the provincial government, the planning and construction of a connecting 5 cities and counties in eastern coastal areas of hainan province wenchang, qionghai, sanya Wan Ning, lingshui, gas pipeline, it will be connected to the already built in the western coastal cities and counties in the east, ChangJiang, white sand, high, danzhou, ChengMai and haikou, together with a "c" word line, form a complete circle of natural gas pipeline.

The project is expected to open in 2014, about a year and a half time. Project total length of about 265.8 km, in size to 16.376 * 10 sin3 capacity design. Then, in addition to the 5 cities and counties in eastern residents can use clean gas, environmental protection for electric power development planning of hainan province in the new qionghai expansions to sanya nanshan power plants and power plants to provide long-term stable gas source.