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Title: Quantifying mixing efficiency in Automatic Pipeline Sampling
Author: Susithra Lakshmanan Jianbo Huang Wes Maru Andrew Thomas
Source: 2017 North Sea Flow Measurement Workshop
Year Published: 2017
Abstract: In custody transfer applications, crude oil is mostly transported as an oil-water mixture and the economic importance of quantifying the water-cut accurately has become increasingly significant. We have experimentally investigated the oil-water flow while also characterising the oil-water mixing efficiency of a prototype mixing device with a Jet In Cross Flow (JICF) configuration. As reported in a previous NSFMW (Lakshmanan et al 2015), such characterisation was achieved by commissioning a small multiphase flow loop (SMPFL) with 2.5 nominal pipe diameter at the University of Cambridge Magnetic Resonance Research Centre (MRRC) and by developing a Magnetic Resonance Imaging (MRI) pulse sequence and data acquisition methods. The data was also used to validate our CFD models, which are in turn utilised as a design tool to upscale the SMPFL to a large multiphase flow loop (LMPFL) with 10 nominal pipe diameter. For the industrial scale LMPFL, we developed a novel mixing product (SmartMix).

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