Ranking of kinetic hydrate inhibitors using a high pressure differential scanning calorimeter
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.03.006
Abstract: Abstract A High Pressure Differential Scanning Calorimeter (HP-µDSC) was used to characterize the kinetic inhibition performance of several kinetic hydrate inhibitors (KHIs) up to 390 bar (39 MPa) of model natural gas. A novel protocol was devised… read more here.
Keywords: differential scanning; kinetic hydrate; scanning calorimeter; pressure differential ... See more keywords
Additives for Kinetic Hydrate Inhibitor Formulations to Avoid Polymer Fouling at High Injection Temperatures: Part 2 - Experimental Studies with Denaturants, Osmolytes, Ionic Liquids, and Surfactants
Sign Up to like & getrecommendations! Published in 2020 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.0c00497
Abstract: Injection of kinetic hydrate inhibitor (KHI) polymers can cause fouling problems if the polymer solution has a deposition temperature below the well head temperatures. In Part 1 of this 3-part seri... read more here.
Keywords: temperatures part; part; kinetic hydrate; injection ... See more keywords
Additives for Kinetic Hydrate Inhibitor Formulations to Avoid Polymer Fouling at High Injection Temperatures: Part 3. Experimental Studies with Added Polymers
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DOI: 10.1021/acs.energyfuels.0c01102
Abstract: Kinetic hydrate inhibitor formulations (KHIs) often contain thermoresponsive polymers which can precipitate and cause fouling problems if the temperature of the aqueous polymer solution is raised a... read more here.
Keywords: fouling; hydrate inhibitor; kinetic hydrate; inhibitor formulations ... See more keywords
Experimental Evaluation of Kinetic Hydrate Inhibitors and Mixed Formulations with Monoethylene Glycol for Hydrate Prevention in Pure Water and Brine–Oil Systems
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DOI: 10.1021/acs.energyfuels.0c02065
Abstract: Thermodynamic hydrate inhibitors (THIs) and kinetic hydrate inhibitors (KHIs) are widely studied and used in the oil & gas industry for hydrate prevention. In this experimental study, we applied an... read more here.
Keywords: hydrate inhibitors; kinetic hydrate; hydrate; hydrate prevention ... See more keywords
Evaluation of a Novel Water-Immiscible Kinetic Hydrate Inhibitor Formulation
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DOI: 10.1021/acs.energyfuels.8b00437
Abstract: The application of low dosage kinetic hydrate inhibitors (KHIs) for hydrate mitigation in hydrocarbon production operations can offer considerable practical benefits and cost savings. However, there are still concerns over KHI usage, particularly with respect… read more here.
Keywords: novel water; water; kinetic hydrate; water immiscible ... See more keywords
Does the Cloud Point Temperature of a Polymer Correlate with Its Kinetic Hydrate Inhibitor Performance?
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DOI: 10.1021/acs.energyfuels.9b01185
Abstract: Most polymers used in commercial kinetic hydrate inhibitor (KHI) formulations show thermoresponsive behavior in aqueous solution. This means that they exhibit a cloud point (or lower critical solution temperature) which is often low and not… read more here.
Keywords: temperature; kinetic hydrate; point; cloud point ... See more keywords
Nonpolymeric Citramide-Based Kinetic Hydrate Inhibitors: Good Performance with Just Six Alkylamide Groups
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DOI: 10.1021/acsomega.2c00448
Abstract: The use of kinetic hydrate inhibitors (KHIs) is a well-known method for preventing gas hydrate formation in oil and gas production flow lines. The main ingredient in KHI formulations is one or more polymers with… read more here.
Keywords: alkylamide groups; hydrate; citramide based; hydrate inhibitors ... See more keywords
Oxyvinylenelactam Polymers—A New Class of Lactam-Based Kinetic Hydrate Inhibitor Polymers
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DOI: 10.1021/acsomega.2c03644
Abstract: The deployment of kinetic hydrate inhibitors (KHIs) is a chemical method for the prevention of gas hydrate plugging in gas, condensate, and oil production flow lines. Polymers made using the monomer N-vinylcaprolactam (VCap) are one… read more here.
Keywords: oxyvinylenelactam polymers; hydrate; polymers new; poly ... See more keywords
Maleic and Methacrylic Homopolymers with Pendant Dibutylamine or Dibutylamine Oxide Groups as Kinetic Hydrate Inhibitors
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DOI: 10.1021/acsomega.2c05713
Abstract: Kinetic hydrate inhibitors (KHIs) are applied in oil and gas fields to prevent gas hydrate formation, most often in cold subsea flow lines. The main component in industrial KHI formulations is a water-soluble polymer with… read more here.
Keywords: khi performance; water; hydrate; hydrate inhibitors ... See more keywords
Investigation on the Synergistic Effect of Tetra Butyl Phosphonium Bromide with Poly(N-isopropylacrylamide) Based Kinetic Hydrate Inhibitor
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DOI: 10.3303/cet2078030
Abstract: The problem of clathrate hydrate plugging in flow pipes has been the most important issue in the off-shore exploitation since hydrates were found in transport facilities. In recent years, low dosage hydrate inhibitors have attracted… read more here.
Keywords: poly; bromide; poly isopropylacrylamide; pnipam ... See more keywords