浅水隔水导管动态响应及涡激振动疲劳损伤  

Dynamic Response and Vortex Induced Vibration Fatigue Damage of Shallow Water Conductor

作　　者：王金龙 盛磊祥 WANG Jinlong;SHENG Leixiang(Drilling&Production Research Department,CNOOC Research Institute Co.,Ltd.,Beijing 100028,China)

机构地区：[1]中海油研究总院有限责任公司钻采研究院,北京100028

出　　处：《中国海洋平台》2024年第1期33-37,73,共6页China offshore Platform

基　　金：国家重点研发计划子课题“超深水钻井隔水管系统作业安全保障技术研究”(编号:2022YFC2806501-4);国家能源深水油气工程技术研发中心2023年自主前瞻基础研究课题“深水修井隔水管反冲动力学特性及控制研究”。

摘　　要：介绍波浪海流作用下的隔水导管动力学模型,总结极限强度分析、稳定性校核和涡激振动Vortex Induced Vibration(VIV)疲劳损伤分析方法,并就某隔水导管实例分析动态响应和VIV疲劳损伤,得到隔水导管的极限强度结果、稳定性校核结果、VIV疲劳寿命满足钻井作业要求。所提出的隔水导管振动响应、VIV疲劳损伤及寿命分析方法为隔水导管的安全保障提供参考和技术支撑。The dynamic model of the shallow water drilling conductor under the wave and current loads is introduced,the analysis methods for the ultimate strength analysis,stability check and Vortex Induced Vibration(VIV)fatigue damage are summarized,the dynamic response and VIV fatigue damage of a conductor are analyzed,and the ultimate strength results,stability check results and the VIV fatigue life of the conductor meet the drilling operation requirements under the drilling condition.The analysis method of the vibration response,VIV fatigue damage and VIV fatigue life of the conductor provide reference and technical support for the safety of conductor.

关 键 词：浅水隔水导管 动态响应 稳定性校核 涡激振动疲劳损伤 

分 类 号：TE973[石油与天然气工程—石油机械设备]