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Title: Ultrasonic Meters And Measurement Accuracy In Leak Detection
Author: Andrew Soddy
Source: 2017 International School of Hydrocarbon Measurement
Year Published: 2017
Abstract: Liquid ultrasonic flow meters operating a part of a pipeline leak detection system are required to continuously monitor process operations under difficult fluid conditions such as in homogeneous fluid properties and transient conditions. The meters response to these process conditions can be understood using the built in diagnostic capabilities of the meter. This paper presents real-time data collected from the evaluation of over 245 custody transfer accuracy liquid ultrasonic meters used in pipeline leak detection. The data helps to identify the causes for instrumentation anomalies by utilization the diagnostics held within the liquid ultrasonic meters. Understanding pipeline operational characteristics will lead to further improvements in leak detection models and pipeline operational procedures. The importance of maintaining accurate flow measurement is considered with respect to API standards for leak detection design. As the technology develops we can see how the predictive nature of diagnostics can be utilized in a smarter measurement system to maintain tighter tolerances under adverse operating conditions.

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