Rheology of hydrate slurries formed from water-in-oil emulsions

Yahua Qin

doi:10.26182/5cd27acbb6883

Rheology of hydrate slurries formed from water-in-oil emulsions

Yahua Qin

School of Engineering

Research output: Thesis › Doctoral Thesis

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Abstract

Gas hydrates are ice-like solids that may form blockage in crude oil flowlines while rheology is a powerful filed to elucidate flow properties. This research includes extensive experimental and theoretical study on the rheology of hydrate-in-oil slurries, focusing on (i) developing a high-pressure rheometer apparatus to enable a direct coupling between the apparent hydrate-in-oil slurry viscosity and the hydrate volume fraction, (ii) collecting rheology data of hydrate slurries with and without anti-agglomerants , and (iii) proposing a new predictive model for hydrate-in-oil slurries, which has valuable contributions to fundamental understanding of hydrate slurry rheology and plug risk assessment.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Aman, Zach, Supervisor Johns, Michael, Supervisor May, Eric, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	12 Apr 2019
DOIs	https://doi.org/10.26182/5cd27acbb6883
Publication status	Unpublished - 2019

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10.26182/5cd27acbb6883

THESIS - DOCTOR OF PHILOSOPHY - QIN, Yahua - 2019
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Cite this

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AB - Gas hydrates are ice-like solids that may form blockage in crude oil flowlines while rheology is a powerful filed to elucidate flow properties. This research includes extensive experimental and theoretical study on the rheology of hydrate-in-oil slurries, focusing on (i) developing a high-pressure rheometer apparatus to enable a direct coupling between the apparent hydrate-in-oil slurry viscosity and the hydrate volume fraction, (ii) collecting rheology data of hydrate slurries with and without anti-agglomerants , and (iii) proposing a new predictive model for hydrate-in-oil slurries, which has valuable contributions to fundamental understanding of hydrate slurry rheology and plug risk assessment.

KW - rheology

KW - flow assurance

KW - gas hydrates

KW - slurry viscosity

KW - particle aggregation

KW - hydrate anti-agglomerants

U2 - 10.26182/5cd27acbb6883

DO - 10.26182/5cd27acbb6883

M3 - Doctoral Thesis

ER -

Rheology of hydrate slurries formed from water-in-oil emulsions

Abstract

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