结构参数优化,以提高可溶性球座密封环在页岩气体积裂解过程中的密封性能
Shuang Jing1,2,3, Anle Mu1, Zhen Chen2
1School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an, Shaanxi, China.
PloS one
|October 9, 2025
概括
一种新的-合金增强了可溶性球座的金属密封圈,提高了油气压裂作业中紧密的安全性和密封性. 这种优化的设计可以防止传统合金出现的故障.
科学领域:
- 石油工程是石油工程中的一个.
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 溶性球座对于压力密封在紧密的石油和天然气井破裂中至关重要.
- 现有的金属密封圈面临着应力极限和潜在局部故障的挑战.
- 提高密封效率对于运营安全和效率至关重要.
研究的目的:
- 为了提高与可溶性球座使用的金属密封圈的密封性能.
- 为了比较传统的Al-Mg合金与改性Al-Mg/Ga合金的密封效率.
- 为完善可溶性球座密封圈设计提供基础.
主要方法:
- 有限元分析 (FEA) 模拟应力分布和机械性能.
- 结构优化技术应用于密封环设计.
- 室内直径减小测试以经验验证密封性能.
主要成果:
- 传统的Al-Mg合金 (材料1) 密封环超出了允许的应力限值,存在故障的风险.
- 优化的Al-Mg/Ga合金 (材料2) 密封环在标准化力下证明了安全安装和优质密封.
- FEA和经验测试证实了材料2的增强结构安全性和均的应力分布.
结论:
- 经过修改的Al-Mg/Ga合金显著提高了可溶性球座的金属密封圈的结构安全性和密封功能.
- 在石油和天然气应用中,FEA和优化是提高组件设计的有效工具.
- 这项研究为水力压裂中更可靠的密封解决方案提供了途径.
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