Optimization of K‐Shaped Metal Sealing Ring for Subsea Tubing Hanger Based on Response Surface Method

• DOI: 10.1155/mse/9995815
• Publication Date: 2025-03-26T08:55:38Z
• Authors: Huan Xie; Hongxia Zhang; Yiwei Fan; Liyuan Liu; Wei Zeng
• Keywords: Subsea

The K‐shaped metal sealing ring of the subsea tubing hanger is a crucial component ensuring wellhead sealing. Optimizing its structure can enhance performance and improve reliability equipment. Considering numerous structural parameters significant differences in their impact on performance, multifactor analysis method was applied to conduct sensitivity performance. results indicated that outer contact width, inner lip radius groove mouth are three primary design variables affecting ring. Taking these as variables, with objectives improving stress width seal reducing equivalent stress, multiobjective optimization model for established. To address issue low efficiency due need repeated finite element calculations during process, quadratic response surface models established indicators ring, which were then used objective functions efficiency. Then, optimized ultimately obtained. A comparison before after revealed increased by 6.44%, effective 7.04%, maximum decreased 14.54%. These validate effectiveness proposed method.