使用水平管道中的分布式声学传感来描述气液双相污泥流
Sharifah Ali1, Ge Jin2, Yilin Fan1
1Petroleum Engineering Department, Colorado School of Mines, Golden, CO 80401, USA.
Sensors (Basel, Switzerland)
|June 19, 2024
概括
分布式声学传感 (DAS) 提供了一种非侵入性的方法,用于监测管道中的气液流量. 这项技术可以实时描述流量参数,改善工业操作和安全.
科学领域:
- 工程 工程师 工程师 工程师
- 物理 物理学 物理
- 材料科学 材料科学 材料科学
背景情况:
- 气液双相流在石油和天然气等行业普遍存在,这给运营带来了挑战.
- 传统的多相流量传感器往往是侵入性的,昂贵的,并且在恶劣的环境中受到限制.
- 精确的,实时监控流是过程优化和安全的关键.
研究的目的:
- 调查分布式声学传感 (DAS) 的应用,用于定量监测气液双相流.
- 开发和验证新的算法,以使用DAS数据来表征流动力学.
- 评估DAS在多相流量测量的传统方法上的优势.
主要方法:
- 实验使用透明管道与螺旋绕光纤电缆连接到DAS集成器进行了实验.
- 矿物油和压缩空气被用来模拟各种气液流动条件.
- 开发了新的算法来分析DAS信号,以测量的频率,速度和长度.
- 进行了高速摄像头验证,以确保测量准确度.
主要成果:
- 达斯成功地捕获和表征了不同流速和油气比率下的各种流动模式.
- 开发的算法准确地确定了频率,转换速度,体长度,单位长度和液体膜区域.
- 来自DAS的测量结果与高速摄像机验证数据有很好的相关性.
- 从DAS数据中成功地获得了用于流特征的新指标,例如液膜区域长度.
结论:
- 分布式声学传感 (DAS) 提供了一种非侵入性的,连续的,实时的方法来监测气液流.
- 开发的算法可以对流动力学进行定量表征,包括新的参数.
- 在具有挑战性的工业环境中,DAS技术为多相流量监控提供了具有成本效益和强大的解决方案.
- 这种方法为优化设施设计,运营和确保受到污泥流动影响的行业中更安全的做法提供了重大潜力.
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