The technical analysis and study of decommissioning and abandonment of offshore oil field surface facilities and subsea system

Lu Guihua , Li Hongsheng , Xiao Jianjun , Li Zhihao , Xu Minhang

Abstract

With more than 100 years exploration and development of offshore oil, more and more offshore oil fields will gradually lose the economic profit to operate. In this article, to take the target oil field for example, the procedure of decommissioning for FPSO, TCMS, subsea system and well abandonment have been analyzed. Meanwhile, the environment impact and mitigation measure have been proposed. The successful project experience will provide a guide line for the offshore facilities decommissioning and abandonment.

Key Words

FPSO; TCMS; decommissioning; well abandonment; economic limit

Address

Lu Guihua and Xiao Jianjun — School of Water Resources and Environment, China University of Geosciences (Beijing) Beijing, P.R. China
Li Hongsheng — Sinochem Petroleum Exploration and Production CO.LTD, P.R. China
Li Zhihao — School of Engineering and Technology, China University of Geosciences (Beijing) Beijing, P.R. China
Xu Minhang — CNOOC Research Institute, P.R. China

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