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Title: Allocation In An Uncertain World: Maximising The Use Of Data With Uba On Global Producer III
Author: Neil Corbett, Juliet Johnston, Robert Sibbald, Phillip Stockton, Allan Wilson
Source: 2013 North Sea Flow Measurement Workshop
Year Published: 2013
Abstract: This paper describes the application of non-linear Uncertainty Based Allocation (UBA) to allocate oil and gas between the Dumbarton and Lochranza fields produced across Maersks Global Producer III (GPIII) FPSO (Floating Production Storage and Offloading). All Lochranza wells production is measured continuously using individual subsea multiphase flow meters (MPFMs). However, Dumbarton wells production is only available from estimates derived from subsea multiphase well tests. Hence the uncertainty in Lochranzas production is significantly better than Dumbartons. However, rising water cuts and the increasing presence of gas lift started to produce relatively high uncertainties in calculated oil and produced gas respectively for all MPFM measurements

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