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Title: Field Study: Comparison Of Multipath Ultrasonic To Orifice Meters At A Storage Pool
Author: Jonathan A. Kinney, John E. Paugh, Jr.
Source: American Gas Association 1999
Year Published: 1999
Abstract: Accurate and repeatable gas measurement at natural gas storage facilities is essential for local control, system monitoring, and inventory accounting. Uncertainty in storage gas measurement may not readily appear in short term daily receipts and delivery accounting. However, long term effects of measurement uncertainty may result in storage write-offs, unnecessary capital improvements at a storage facility or system abandonment. Historically, bi-directional orifice meters with straight-edged plates have been installed for storage measurement to reduce capital costs while maintaining the use of a proven measurement technology. Recently, multipath ultrasonic meters have been considered by the industry and have been added to a short list of gas measurement meters suitable for storage applications. But are multipath ultrasonic meters ready to be used at natural gas storage facilities? The following report will describe and report the results of a one-year operating study of one multipath ultrasonic meter in the same measurement system as ten bi-directional orifice meters.

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