某海上平台到陆岸终端30.5 cm海底输油管道已经不满足输送要求而停用,而该平台受天然气外输海底管道输送能力的影响,火炬放空天然气每天约为250 000 m3,为了回收利用这部分天然气,计划将该原油输送管道改做输气输管道,故需要对该海底管道进行校核。经校核,该海底管道能够满足使用要求。

The oil pipeline under the ocean of a offshore platform is out of service because of it can′t be satisfied with transportation. Influenced by transport capacity, there are about 250 000 m3 natural gas evacuation every day in the offshore platform. In order to recycle the natural gas, it is plan to transform the oil pipeline to gas pipeline, it is need to check. The result of check show that the pipeline under the ocean meets the needs of the use.