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Updated: Jul 16, 2025

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一种用于光纤DAS解释和多相流量表征的新型速度带能量工作流

Gerald K Ekechukwu¹, Jyotsna Sharma², Michael J William³

¹Louisiana State University, Baton Rouge, USA.

Scientific reports

|September 13, 2023

概括

本研究引入了一种使用分布式声学传感 (DAS) 来分析井口多相流的新工作流. 速度带能量 (VBE) 方法增强了气体和液体相的实时监测和表征.

科学领域:

地质物理学地质物理学
石油工程是石油工程中的一个.
信号处理信号处理

背景情况:

分布式光纤传感为能源基础设施提供实时监控.
目前的方法需要加强分析,以准确的多相流量表征.

研究的目的:

引入一种新的工作流程来分析分布式声学传感 (DAS) 数据.
使用特定相位的声速来进行多相流的表征.
改善井口的实时监控和分析.

主要方法:

开发了一个速度带能量 (VBE) 工作流.
根据相位特定的声速过的声能.
应用信号处理和调节以减少噪音和增强信号.

主要成果:

在5163英尺的钻井数据集上演示了VBE工作流.
成功估计了气体空隙分数.
实现了沿井口的实时气液接口跟踪.

结论:

VBE 工作流提供了多相流分析的宝贵见解.
这种方法有助于验证基于DAS的流量监控算法.
增强了泄漏检测,量化和水库表征的能力.

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