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Optimized material selection for subsea valves to prevent failure and improve reliability

机译：对水下阀门材料的选择进行了优化防止故障和提高可靠性

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摘要

The offshore oil and gas industry began in 1947 when Kerr-McGee completed the first "out of the land" well successfully in the Gulf of Mexico off the coast of Louisiana in just 4.6 m of water. Offshore exploration and production technology have been gradually expanded in the decades since, and the venture for finding oil has moved to deep water areas. Subsea valves are mainly located on the wellhead and manifolds and could be ball, through conduit gate and axial check valves. This paper introduces the main types of subsea valves as well as their main components. The suitable materials for different components have been proposed to increase the reliability through mitigating the corrosion risk, improving the mechanical strength, compatibility with the fluid, maintaining the safe operation of the valve over the design life, etc. The proposed materials are used for critical components of the valves such as body, bonnet, disk, seats, pup piece, etc. and the best choices have been summarized at the end of the table. A chart has been developed introducing the key parameters in selecting the optimized material choice for subsea valves such as erosion, corrosion, HSE, process compatibility, etc.
机译：近海石油和天然气工业始于1947年当科麦奇完成第一的土地“成功在墨西哥湾路易斯安那州的海岸只有4.6米的水。海上勘探和生产技术在几十年已经逐渐扩大因为,风险已经寻找石油深水区域。位于井口和集合管通过管道球,门和轴向检查阀门。水下阀门以及他们的主要组件。合适的材料为不同的组件提出了提高可靠性通过减轻腐蚀的风险,改善机械强度,兼容液体,维护的安全运行阀的设计寿命,等等。材料用于的关键组件阀门如阀体、阀盖、磁盘、席位,小狗块等最好的选择表的最后总结。开发引进的关键参数选择优化的材料选择HSE水下阀门等侵蚀,腐蚀,工艺兼容性等。

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