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Rheologica Acta
Published in: Rheologica Acta 6/2015

01-06-2015 | Original Contribution

Critical quantities on the yielding process of waxy crude oils

Authors: Bruno A. Tarcha, Bárbara P. P. Forte, Edson J. Soares, Roney L. Thompson

Published in: Rheologica Acta | Issue 6/2015

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Abstract

The yielding behavior of waxy crude oils below the gelation temperature is a fundamental aspect for the production in oil basins located in deep water. Under this state, the material exhibits a diversity of complex non-Newtonian features turning the determination of its rheology a challenging task. We performed different tests monitoring the critical stress and strain where a major rupture occurs. We could infer from these experiments a minimum critical stress value that can be associated to the static yield stress of the material. In addition, the material exhibited a remarkably constant critical strain value, turning this last parameter into a more representative fingerprint of the material.
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Metadata
Title
Critical quantities on the yielding process of waxy crude oils
Authors
Bruno A. Tarcha
Bárbara P. P. Forte
Edson J. Soares
Roney L. Thompson
Publication date
01-06-2015
Publisher
Springer Berlin Heidelberg
Published in
Rheologica Acta / Issue 6/2015
Print ISSN: 0035-4511
Electronic ISSN: 1435-1528
DOI
https://doi.org/10.1007/s00397-015-0835-1

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