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RESEARCH PAPERS: Offshore Mechanics

Design Accuracy of Offshore Gas Pipelines Operated in the Two-Phase Flow Mode

[+] Author and Article Information
R. V. A. Oliemans, B. F. M. Pots

Koninklijke/Shell-Laboratorium, Amsterdam, Shell Research B.V., Amsterdam, The Netherlands

H. L. Wu

Shell Internationale Petroleum Maatschappij B.V., The Hague, The Netherlands

J. Offshore Mech. Arct. Eng 112(3), 187-191 (Aug 01, 1990) (5 pages) doi:10.1115/1.2919855 History: Received January 01, 1987; Revised July 24, 1989

Abstract

The predictive power of a two-phase flow design method, consisting of one-dimensional flow models depending both on flow regime and pipe inclination, has been investigated by comparing predicted pressure losses and liquid hold-ups with pipeline data collected under actual conditions. For this purpose, Shell’s database of controlled field tests in large-size gas pipelines was extended with data obtained in an 8-in. high-pressure two-phase flow test facility with gas and condensate as flowing media. It was concluded that the predictive power was reasonable for wide ranges of flow conditions, but that liquid entrainment is to be incorporated in models to remove conservatism from liquid hold-up predictions.

Copyright © 1990 by The American Society of Mechanical Engineers
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