... concentrations form a protective film, reducing corrosion rates. API X65 steel CO₂ corrosion H₂S corrosion localized corrosion marginal sour corrosion pitting ^‡ Corresponding author. E-mail: [email protected] . 02 September 2024 17 November...

... The experiments were therefore performed in a laboratory setting that replicated the field environment. A summary of the experimental flow diagram is shown in Figure  1 . FIGURE 1. Overall workflow of CO₂ corrosion experiments; ε describes the inhibition efficiency; WL₀...

... for ME, IM, and the IM-ME complex. CO₂ corrosion corrosion inhibition molecular modeling synergistic interactions C orrosion inhibitors continue to be a cost-effective method for the control of corrosion of carbon steels in the oil and gas industry. Corrosion inhibitors...

... 77 ( 2020 ): p . 266 – 275 . batch inhibition CO₂ corrosion corrosion inhibition persistency C O₂ corrosion of the internal walls of carbon steel pipelines is a significant problem in oil and gas industries. Different methods have been implemented for its...

... of corrosive species to the surface. No localized attack was observed. ZnCr Cold spray coating with defect showed promising corrosion protection against CO₂ corrosion (sweet corrosion) after 14 d of exposure to a CO₂ environment. The scratch on the coating simulated damage created...

.... ^‡ Corresponding author. E-mail: [email protected] . 29 January 2024 08 April 2024 08 April 2024 © 2024, AMPP 2024 CO₂ corrosion hydrocarbons n-heptane top of the line corrosion volatile corrosion inhibitors T he mode of corrosion referred to as top...

[email protected] . 26 December 2023 26 February 2024 26 February 2024 © 2024, AMPP 2024 anodic iron dissolution mechanism chloride CO₂ corrosion hydroxide mild steel time of flight-secondary ion mass spectroscopy I nternal corrosion of operating pipe flow lines...

...Neda Norooziasl; David Young; Bruce Brown; Marc Singer The effect of a paraffinic model oil (LVT-200)-containing select surface-active compounds (myristic acid and acridine) on CO₂ corrosion with and without intermittent wetting has been studied. Observations have shown that the presence...

... to their pure counterparts. ^{2 , 7 - 12} Literature discussing the effect of Ca²⁺ on CO₂ corrosion of carbon steel often appears contradictory. Esmaeely, et al., ^{13 - 14} reported that at low Ca²⁺ concentrations, the corrosion rate decreased with time due...

..., AMPP 2022 alloying elements CO₂ corrosion H₂S corrosion carbon steel iron carbonate iron sulfide O ne of the important industrial issues is the corrosion of carbon and low-alloy steels exposed to a wet environment where acid gases such as CO₂...

...Keiichi Kondo; Yoon-Seok Choi; Srdjan Nešić The effect of a small amount (1 wt%) of Cr or Mo on aqueous CO₂ corrosion of low-alloyed steel and the formation of protective FeCO₃ corrosion product layers was investigated under controlled water chemistry conditions, where...

.../decade was used to convert the polarization resistance into a corrosion current and corrosion rate, based on a previous mechanistic study of CO₂ corrosion in inhibited systems. ²⁹ Tafel slopes and corrosion rates were recorded by methods described in this previous study. ²⁹...

..., indicating that the selection of the appropriate CI concentration for an industrial application should not be based on CMC alone. © 2022, AMPP 2022 CO₂ corrosion corrosion inhibitors critical micelle concentrations inhibition efficiency micellization surface saturation concentration...

... 2022 31 January 2022 © 2022, AMPP 2022 carbon steel CO₂ corrosion hydrocarbons n-heptane top of the line corrosion Flowing vapor condition—A customized flow tube as shown in Figure  3 was used in this set of experiments to simulate flowing...

... that the model they developed for predicting the pH and Fe²⁺ supersaturation at low V/S ratio has inherent uncertainties because of limited understanding of the kinetics of siderite precipitation at low temperature (20°C). ⁶ annulus CO₂ corrosion flexible pipe near...

.... ^‡ Corresponding author. E-mail: [email protected] . 19 March 2020 27 February 2021 27 February 2021 © 2021, NACE International 2021 CO₂ corrosion corrosion rate electrochemical measurement miniature electrodes polarization resistance top-of-line corrosion...

..., nonprotective Fe-rich oxide layer and a well-adhered inner oxide layer containing both Fe and Cr formed on the specimen surfaces. The inner oxide layer changed from amorphous to crystalline as the temperature increased. FIGURE 1. Direct sCO₂ power cycle. CO₂ corrosion...

... was examined using scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDS), and Raman spectroscopy. Cross-sectional analysis was performed by using transmission electron microscopy (TEM) with focused ion beam (FIB) milling. acetic acid CO₂ corrosion ionic...

...), and A is the exposed surface area of specimen (cm²). The average corrosion rate with error bars was calculated from the three parallel specimens for each test. CO₂ corrosion flow velocity high temperature and pressure passive film stainless steel China’s Tarim area is the largest...

... CaCO₃ scale, on the CO₂ corrosion mechanism. The main objectives of this research are to further broaden the mechanistic understanding of CO₂ corrosion of mild steel in the presence of high concentrations of calcium ions and evaluate the protectiveness...