Crude Oil Model Emulsion Characterised by means of Near Infrared Spectroscopy and Multivariate Techniques

Harald Kallevik Department of Chemistry, University of Bergen, Allégaten 41, Bergen, N-5007, Norway

Susanne Brunsgaard Hansen Department of Chemistry, Technical University of Denmark, Building 207, Lyngby, DK, 2800, Denmark

Øystein Sæther Department of Chemistry, University of Bergen, Allégaten 41, Bergen, N-5007, Norway

Olav Martin Kvalheim Department of Chemistry, University of Bergen, Allégaten 41, Bergen, N-5007, Norway

Johan Sjöblom Statoil Research Centre, Arkitekt Ebbells v 10, Trondheim, N-7005, Norway

Abstract

Water-in-oil emulsions are investigated by means of multivariate analysis of near infrared (NIR) spectroscopic profiles in the range 1100 — 2250 nm. The oil phase is a paraffin-diluted crude oil from the Norwegian Continental Shelf. The influence of water absorption and light scattering of the water droplets are shown to be strong. Despite the strong influence of the water phase, the NIR technique is still capable of predicting the composition of the investigated oil phase.

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Crude Oil Model Emulsion Characterised by means of Near Infrared Spectroscopy and Multivariate Techniques

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Crude Oil Model Emulsion Characterised by means of Near Infrared Spectroscopy and Multivariate Techniques

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