Design of On-site FPSO Limit Maintenance Scheme and Operational Risk Monitoring
Single point mooring system is adopted for FPSO positioning in the South China Sea.Based on production and maintenance needs,in order to eliminate potential safety hazards,it is necessary to carry out offshore maintenance under FPSO limit.Taking the replacement of parts of single point mooring line of HYSY118FPSO as an example,based on the limit operation conditions,this paper calculates and analyzes the limit load,determines the limit tug,designs the dynamic limit scheme,and puts forward the improved measures of risk control.The practice proves the reliability and safety of the limit scheme.
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