Terminal Slugcatchers for Two-Phase Flow and Dense-Phase Flow Gas Pipelines

[+] Author and Article Information
L. Oranje

N. V. Nederlandse Gasunie, Groningen, The Netherlands

J. Energy Resour. Technol 110(4), 224-229 (Dec 01, 1988) (6 pages) doi:10.1115/1.3231386 History: Received November 01, 1987; Revised June 10, 1988; Online October 22, 2009


Slugcatchers are installed at the end of two-phase pipelines and dense-phase pipelines. The technical specifications of a slugcatcher for a two-phase pipeline are based on the gas-liquid flow behavior at the various operating conditions. For a dense-phase pipeline these specifications are derived from the flow behavior in the pipeline during depressurization. These flow studies, which are carried out in the design stage of a transmission system, should be sufficiently accurate to provide proper sizing of the transmission line and slugcatcher. The paper deals with: • the methods and the quality of these methods for calculating the flow behavior in a two-phase pipeline and in a dense-phase pipeline—a comparison of both types of transmission systems is given; • the basic design of a terminal slugcatcher, including some causes of possible malfunctioning—an optimal design of a terminal slugcatcher is also discussed.

Copyright © 1988 by ASME
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