Research Of The Deepwater Pipeline Repair System(DPRS) In Project Applications

With the development of deepwater oil & gas exploration and production, deepwater pipelines, which are mainly used to transport oil & gas, are developed. However, due to the load in diameter, additional load by storm, wave and tide, errosion by seawater, abrasion by soilds, earthquake and attack by ice, etc, they will damage the pipelines. The damage will lead huge economic lost, and then Deepwater Pipeline Repair System (DPRS) is made to be researched and developed.As a pipeline maintain industry provided with developmental foreground which has been recognized by all over the world. DPRS is focus attention by the world because of high-tech,good benefit,strong penetrability and wide marketability.For the moment many corporations possess of DPRS together to cartelize on pipeline maintain.there is no deepwater pipeline in China so inland research is infrequent.In recent years with the development of China National Offshore Oil Corporation, pipeline maintain has formed foundation with the support of good policy and marketability.And made a big progress on tech innovation, self-exploiture, production transform,competition.Thus, this research on DPRS is helpful to introduce DPRS into China and CNOOC enter into deepwater field.This paper introduces the research, application, maintain methods and procedure on DPRS. And summarizes the ability of pipeline maintain. At last prospects the foreground of introducing DPRS and makes foundation for CNOOC to enter into deepwater field, especially deepwater pipeline maintain later.