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Keywords: inhibitor
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35590-MS
..., but measurements indicate that a steady state concentration of ca. 100 mg/l has been reached. The simulations indicate that this happens when the strong alkalinity in the lean MEG approaches 1 mmol/l. If not already in place, it is recommended to inject an appropriate scale inhibitor that is effective...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2025
Paper Number: OTC-35900-MS
... Abstract This study investigated the development of inorganic scale inhibitors for extreme application conditions in new offshore fields in Brazil, characterized by high salinity (up to 230,000 mg/L) and temperatures (120°C). Traditional scale inhibitors, including phosphonates and polymers...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35472-MS
... material and the use of anticorrosive coatings. Inhibitors are also widely used as part of the injection fluids to eliminate the corrosion of infrastructure induced by its interactions with reservoir fluids and chemicals commonly appeared in offshore production. Two of the most critical types of corrosion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35386-MS
..., a scale inhibitor, and a fines migration preventer into the drill-in and completion fluids. Several tests were performed to prove the concept, including return permeability using a sequence of fluids (reservoir, drill-in, and completion fluids), interfacial tension measurements, and compatibility analysis...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35497-MS
...) as complexing agent. The early precipitation of sulfites thanks to CaCl2 or CaCO3 addition. The chemical scale mitigation by antiscalant injection. The injection of scale inhibitors did not show any efficiency whatever the scale inhibitor and the concentration (30, 60 and 120 ppm) for process water...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35365-MS
... The root cause of this gunking was attributed to not using a flash-resistant solvent in the scale inhibitor package ( 2 ). Besides solvent flashing, gunking can also occur due to product instability, which was the main cause of the downhole scale inhibitor injection line in another high...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30998-MS
... response paraffin remediation hydrate remediation hydrate inhibition asphaltene inhibition inhibitor salinity hydrate formation nacl hydrate phase equilibria equilibrium curve methanol offshore technology conference Introduction One of the major flow assurance issues in offshore subsea...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31290-MS
... use and storage qualification plan stability testing subsea system specific gravity subsea processing inhibitor subsea chemical storage solution exposure barrier fluid cylinder deployment sea water operation offshore technology conference qualification activity configuration tank...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30654-MS
... Abstract Flow assurance problem of gas hydrate formation in subsea transportation system of crude oil is addressed in this research work. The paper depicts the synthesis and evaluation of propylene glycol quantum dots as low-dosage hydrate inhibitor (LDHI) for preventing / delaying gas hydrate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30857-MS
.... Overall, the general consensus is that lower water contents, dispersed water, high shear, thermodynamic inhibitor injection, dosing of anti-agglomerants or kinetic hydrate inhibitors, higher oil viscosities, and oils with natural chemical surfactant properties can be favorable for ensuring successful...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30774-MS
...) was compared with that of the conventional hydrate inhibitor N-Vinyl Caprolactam (N-VCap). Varying weights of Surf. X were evaluated in the laboratory mini flow loop. Pressure versus Temperature, change in Pressure versus Time plots showed that Surf. X performed better than the conventional N-VCap in almost...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29254-MS
..., lower production rates, solids-accumulation, and increased remediation time and costs. Several thermal, mechanical, and chemical methods are used to mitigate these challenges, and, of the chemical techniques available, paraffin inhibitors are deployed to mitigate the deposition problem. Several...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29399-MS
... assurance case history asphaltene remediation houston scale inhibition requirement asphaltene inhibition flow assurance challenge flow assurance strategy inhibitor oilfield chemistry wax inhibition scale remediation production chemistry operation wax remediation flow assurance slug catcher...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28905-MS
... This paper is to represent reviews of low dosage hydrate inhibitor's (LDHI) evolution and advances, and to provide a general guide for LDHI considerations, historically, hydrate risk has been managed by keeping the fluids warm, removing water, and/or by injecting thermodynamic hydrate...

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