PVT Publications

A New Correlation for Two-phase Flow Through Chokes

A.I. AL-TOWAILIB (Saudi Aramco), M.A. al-marhoun  (King Fahd U.of Petroleum & Minerals)

Journal of Canadian Petroleum Technology - May 1994

Abstract:

Chokes are one of if not the most important flow controllers in oil producing wells.  Selecting the optimum choke size is the first step in choke design.  An empirical correlation that relates the choke is to other parameters was developed.  The correlation covers a wide range of flow rates and choke sizes.  It was based on 3554 production test data from ten fields in the Middle East.  The correlation applies for critical flow conditions, which makes it useful for choke design purposes.  Statistical error analysis shows that for the data used in this study, the new correlation outperforms all published correlations in the literature.

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