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2D flow visualisation test capabilities improves multiphase meter testing

05 February 2018

Flow measurement R&D company, NEL, has added 2D flow visualisation technology, to its test facilities.

The technology uses 2D X-ray tomography to produce high-definition images of complex multiphase flows, which cannot be captured with conventional instruments. This precise reproduction of flow patterns will optimise meter design against specific operating conditions, ensuring greater measurement accuracy, reducing uncertainty and minimising operators’ financial exposure.  

Dr Bruno Pinguet, multiphase domain senior advisor at NEL, said: “This new technology will allow us to look in unprecedented detail at meter performance versus flow dynamic structures for the oil and gas industry. This will help us to advance our understanding of how complex multiphase fluids behave, so that the quality of factory acceptance testing for multiphase meters will improve significantly.”  

NEL’s system is designed primarily for measuring multiphase flows in horizontal and vertical pipes, and will be capable of determining the 2D phase fractions within a multiphase pipe flow in real-time. It also offers high-frequency data capture of over 150 frames per second, delivering detailed tomographic reproduction of the cross-sectional phase distribution (oil, gas, water) within the flow regime.  

2D X-ray tomography is said to eliminate many of the limitations currently experienced with established flow measurement approaches, such as poor image resolution and high-sensitivity to errors caused by the addition of process fluids. It therefore remains unaffected in conditions where traditional electrical technologies would fail.

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