自升式钻井平台悬臂梁接长改造工程实践

Lengthened Cantilever Renovation Project Practices for Jack-up Drilling Unit

以某自升式钻井平台悬臂梁改造工程为例,阐述此改造工程从实际生产需求分析、改造目标确定、方案研究及形成相关技术路线、船厂施工到出厂后作业的整个流程,详细介绍悬臂梁改造接长对平台产生的一系列连锁影响和所需采取的应对措施,对其他海洋工程装备的改造具有一定指导意义。改造工程的成功实施为作业者带来巨大的经济收益。

Based on an actual cantilever renovation project for a jack up drilling platform,the whole process from analysis of actual production requirements,determining the reform goals,plan study and technical route,shipyard construction to operation after renovation is mentioned.A series of knock on effects to jack up by cantilever renovation and response measures are introduced in detail,which may be helpful to the renovation of other marine engineering equipments.The successful renovation brings huge economic benefits to operators.