«Oilfield engineering»

REVIEW OF APPROACHES TO VIRTUAL FLOWMETER ALGORITHM IMPLEMENTATION IN WELLS, EQUIPPED BY ELECTRIC SUBMERSIBLE PUMPS

UDC: 622.276.53.054.23:621.67-83
DOI: 10.33285/0207-2351-2022-1(637)-33-41

Authors:

¹ National University of Oil and Gas "Gubkin University", Moscow, Russia
² Gazpromneft-Khantos, Khanty-Mansiysk, Russia

Keywords: electric submersible pump, gas-liquid mixture, virtual flowmeter, literature review

Annotation:

Electric submersible pumping (ESP) units are the main technique of oil production in Russia now. ESP is often used as a digitalization platform for wells and production management. A large amount of information, both high-frequency operating parameters and integral ones, are collected on ESP operation. The data, recorded during the well operation with ESP, can be used not only for equipment diagnostics, but also for obtaining additional information about the operation of the entire production system – reservoir – well – ESP – tubing – gathering system. One of the ways of this information usefulness can be through solving the virtual flowmetry problem, which provides timely determination of the flow rate and information acquisition and anomalies identification in well's performance. At the same time ESP often pumps fluid with a free gas content, which is a complicating factor and can significantly impact its pressure-flow characteristic. The article summarized experience of using ESP models for predicting fluid flow rates to solve the problem of virtual flowmetry.

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