Structure, mechanism, and performance evaluation of natural gas hydrate kinetic inhibitors

S Shahnazar, S Bagheri, A TermehYousefi… - Reviews in Inorganic …, 2018 - degruyter.com
Ice-like crystal compounds, which are formed in low-temperature and high-pressure
thermodynamic conditions and composed of a combination of water molecules and guest …

Kinetic hydrate inhibitor studies for gas hydrate systems: a review of experimental equipment and test methods

W Ke, MA Kelland - Energy & Fuels, 2016 - ACS Publications
Kinetic hydrate inhibitors (KHIs) have been studied, developed, and used in the oil and gas
industries for more than two decades. The main active ingredients in commercial KHI …

The return of kinetic hydrate inhibitors

B Tohidi, R Anderson, H Mozaffar, F Tohidi - Energy & Fuels, 2015 - ACS Publications
Kinetic hydrate inhibitors (KHIs) have been serving the petroleum industry for many years.
They are normally used at dose rates of< 3% of the produced water, resulting in …

Impacts of Triethylene Glycol and Polyvinyl Caprolactam on Dissociation Conditions and Complete Inhibition Region of Methane Hydrate

S Hamidpour, J Javanmardi, A Rasoolzadeh… - Energy & …, 2023 - ACS Publications
In nearly all cases, the strength of low-dosage hydrate inhibitors (LDHIs) is evaluated by a
comparison of the induction time. Since hydrate nucleation has a stochastic nature …

Excellent synergy effect on preventing CH4 hydrate formation when glycine meets polyvinylcaprolactam

S Xu, S Fan, S Fang, Y Wang, X Lang - Fuel, 2017 - Elsevier
The inhibitory performance of glycine and its synergistic potentiality for poly N-
vinylcaprolactam (PVCap) was studied by evaluating subcooling temperature, induction time …

High-resolution performance tests of nucleation and growth suppression by two kinetic hydrate inhibitors

MTJ Barwood, PJ Metaxas, VWS Lim, ML Johns… - Chemical Engineering …, 2021 - Elsevier
The development of kinetic hydrate inhibitor (KHI) performance rankings is essential for
these chemicals' implementation within risk-based hydrate management strategies. Here …

Exploring kinetic hydrate inhibitor test methods and conditions using a multicell steel rocker rig

A Lone, MA Kelland - Energy & fuels, 2013 - ACS Publications
High pressure rocking cells have overtaken the use of stirred autoclaves as the standard
industry method for the first stage laboratory screening of kinetic hydrate inhibitors (KHIs) …

Development of a crystal growth inhibition based method for the evaluation of kinetic hydrate inhibitors

R Anderson, H Mozaffar… - … Conference on Gas …, 2011 - researchportal.hw.ac.uk
Over the past decade, low dosage hydrate inhibitors (LDHIs)-which include anti-
agglomerants (AAs) and kinetic hydrate inhibitors (KHIs)-have seen increasing use as a cost …

Kinetic Hydrate Inhibition with N-Alkyl-N-vinylformamide Polymers: Comparison of Polymers to n-Propyl and Isopropyl Groups

MA Kelland, E Abrahamsen, H Ajiro, M Akashi - Energy & Fuels, 2015 - ACS Publications
Gas hydrates in the upstream oil and gas industry often cause problems during production,
such as plugged pipelines causing down time and loss of revenue. Kinetic hydrate inhibitors …

Anomalous KHI-Induced dissociation of gas hydrates inside the hydrate stability zone: Experimental observations & potential mechanisms

M Aminnaji, R Anderson, B Tohidi - Journal of Petroleum Science and …, 2019 - Elsevier
In the past decade, the low dosage hydrate inhibitors (LDHIs)-which include kinetic hydrate
inhibitors (KHIs) and anti-agglomerants (AAs)-have seen increasing use for gas hydrate …