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Title: Measuring Flow Without A Meter
Author: Phil Stockton Ken Stott
Source: 2018 North Sea Flow Measurement Workshop
Year Published: 2018
Abstract: Measuring Flow Without A Meter Phil Stockton , Accord Energy Solutions Limited Ken Stott, Apache North Sea Limited 1 INTRODUCTION 1.1 Overview T his paper concerns maximising the use of available data to reduce measurement costs. Consider the following processing scenario depicted in the schematic , Figure 1 : Figure 1 - System Configuration A wellstream is being produced through two stages of separation. A knowledge of the flow and composition of the wellstream is required for allocation purposes. The 1 st stage gas and 2 nd stage oil mass flow rates are metered but the flow of gas from the 2 nd stage is not. Hence, at first sight there appears to be insufficient information to calculate the wellstream mass flow and composition , since only two out of the three stream discharge streams are known. However, sample points are available on both separ ators gas and oil discharge streams and hence their compositions can be determined. With a knowledge of these compositions and only two out of three flow measurements , is it possible to determine the wellstream flow and composition and consequently save t he cost of installing a meter on the 2 nd stage gas stream?

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