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Title: Application Of Wet Gas Metering Technology In Shell Malaysia Ep
Author: Ngu Kee King, Rick De Leeuw
Source: 2007 South East Asia Flow Measurement Conference
Year Published: 2007
Abstract: This paper seeks to present Shell Malaysias experience in the application of wet gas metering technology. The Companys involvement in wet gas metering dates back to the 80s where individual well flowlines were operationally metered using orifice plates and a reconciliation factor which was determined empirically through well tests. Chisholm formula was used for newer installations in the 90s and wet gas figures were verified using the well test by difference method. From the late 90s until today, over 20 Venturi-based wet gas metering systems have been installed, the majority of them with dual-dP tappings and provisions for online application of tracer dilution measurement and wet gas fluid sampling. A variety of implementation problems were experienced as well as successes achieved. The general lessons learnt is that for continued good performance, wet gas metering requires greater attention in design, installation and maintenance than traditional dry gas systems. However, with the experience gained, it is now a normal practice in the Company to employ wet gas metering technology instead of test separators for new installations unless specific cases dictate otherwise. We have yet to utilise this technology in Allocation metering systems but the acceptance of such systems can be expected in future.

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