Fatigue damage assessment methodology for a deepwater subsea wellhead based on monitoring data

被引：4

作者：

Wang, Jinlong ^{[1
,3
]}

Sheng, Leixiang ^{[1
]}

Geng, Yanan ^{[1
]}

Wang, Mingchun ^{[1
]}

Wang, Yu ^{[1
]}

Li, Yanwei ^{[2
]}

Liu, Xiuquan ^{[2
]}

机构：

[1] CNOOC Res Inst Ltd, Drilling & Prod Res Dept, Beijing, Peoples R China

[2] China Univ Petr East China, Ctr Offshore Engn & Safety Technol, Qingdao, Peoples R China

[3] CNOOC Res Inst Ltd, Drilling & Prod Res Dept, CNOOC Bldg,6 Taiyanggong South St, Beijing, Peoples R China

来源：

SHIPS AND OFFSHORE STRUCTURES | 2024年 / 19卷 / 10期

关键词：

Subsea wellhead; fatigue damage assessment; vibration pattern identification; transfer function; measured acceleration data;

D O I：

10.1080/17445302.2023.2260956

中图分类号：

U6 [水路运输]; P75 [海洋工程];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

Deepwater subsea wellhead system is subjected to the various cyclic loads transmitted from the drilling riser due to ocean waves, currents and platform motion during drilling operation; therefore, the fatigue damage is accumulated. A fatigue damage assessment methodology and its detailed analysis procedure for subsea wellheads utilising transfer function theory based on monitoring acceleration data at the drilling riser are developed. Studies on an actual monitoring case for a subsea wellhead under drilling operation with 336 h of monitoring events are conducted and a verification method by comparison of the measured fatigue results and predicted fatigue results based on wave and current data are introduced. The results for wave and vortex-induced vibration (VIV) fatigue life based on measured acceleration data are calculated, and the fatigue bias with predicted results are summarised. The developed fatigue damage assessment method and monitoring case studies can be valuable references for deepwater drilling engineering.

引用

页码：1593 / 1605

页数：13

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