Page 99 - Handbook Of Multiphase Flow Assurance
P. 99
CHAPTER
5
Flow restrictions and blockages in
operations
OUTLINE
Frequency of blockages 97 Environmental impacts of hydrate
remediation 122
Frequency of blockage remediations 97 Health impacts 123
Duration of hydrate and other Effect of hydrates on corrosion 123
flowline remediation 98
Gas hydrate in wells and in nature 125
Hydrate versus other flowline Hydrate management 127
remediation time 99 Emerging technologies of hydrate
management 128
Blockage remediation 101
Modeling of gas hydrates 129
Hydrate of natural gas 101 Case studies and process safety 131
Introduction 101 Commissioning/dewatering of
Gas hydrate formation 102 pipelines to avoid hydrates 139
Hydrate propensity, subcooling, Asphaltenes 140
supercooling and Introduction 140
overpressurization 104
Chemistry 106 Asphaltene chemistry 141
141
Reservoir and wellbore plugging
Thermodynamic features 106 Prediction of asphaltene risk 142
Stability 108 Light oil and EOR 143
Problems related to hydrate formation 108 Gas condensate 143
Hydrate plug formation mechanism 109 Heavy oil 144
Calculating location of hydrate Role of asphaltenes in microbubble
blockage in a pipe 109
capture
Prevention of hydrate formation 110 Asphaltene precipitation and deposition 144
Hydrate dissociation 117 in wells and pipelines 144
Hydrate blockage remediation 118 Monitoring and remote sensing of
Comparative economics of hydrate asphaltenes 145
prevention methods 121
Handbook of Multiphase Flow Assurance 95 © 2019 Elsevier Inc. All rights reserved.
https://doi.org/10.1016/B978-0-12-813062-9.00005-1
