Corrosion Behavior of L245N Standard Steel in CO2 Saturated Brine under Flow Condition

Published on May 28, 2021
· DOI :10.3390/MET11060880
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Abstract
References38
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#1Juan BoschH-Index: 5
#2Ulises MartinH-Index: 4
Last. David M. BastidasH-Index: 22
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#1Chenghang Zhang (Chongqing University)H-Index: 6
#2Guangjie Huang (Chongqing University)H-Index: 17
Last. Qing Liu (Nanjing Tech University)H-Index: 5
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Abstract The aluminum alloys joints welded by friction stir welding (FSW) are usually fractured in or near the thermo-mechanically affected zone (TMAZ) of the welded zone, and different microstructural zones produced by FSW affect the corrosion resistance of the joints. In the present work, we performed the research on local corrosion behavior of the TMAZ in dissimilar AA2024/7075 joints by employing multiple characterization and measurement techniques. The results revealed that low corrosion re...
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#1Mattia Franceschi (UNIPD: University of Padua)H-Index: 2
#2Luca Pezzato (UNIPD: University of Padua)H-Index: 17
Last. Manuele Dabalà (UNIPD: University of Padua)H-Index: 19
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A novel high silicon austempered (AHS) steel has been studied in this work. The effect of different austenitizing temperatures, in full austenitic and biphasic regime, on the final microstructure was investigated. Specimens were austenitized at 780 °C, 830 °C, 850 °C and 900 °C for 30 min and held isothermally at 350 °C for 30 min. A second heat treatment route was performed which consisted of austenitizing at 900 °C for 30 min and austempering at 300 °C, 350 °C and 400 °C for 30 min. Scanning e...
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#1Maria Chiara Bignozzi (UNIBO: University of Bologna)H-Index: 28
#2L. Calcinelli (UNIBO: University of Bologna)H-Index: 1
Last. Alessandro Morri (UNIBO: University of Bologna)H-Index: 4
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In the present work the microstructural characterization of the powder-metallurgy X190CrVMo20-4-1 has been performed and correlated with its corrosion properties. The martensitic stainless steel was hardened at different austenitizing and tempering temperatures. Microstructural analyses were carried out using Scanning Electron Microscopy (SEM–EDS) to define the carbide distribution in the steel matrix. Carbides morphology and retained austenite content were evaluated and correlated to the corros...
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#1Ulises Martin (University of Akron)H-Index: 4
#2Jacob Ress (University of Akron)H-Index: 5
Last. David M. Bastidas (University of Akron)H-Index: 22
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ABSTRACT In this work, the stress corrosion cracking (SCC) mechanism of austenitic stainless steel AISI 316 LN rebar is studied along the entire stress-strain diagram by slow strain rate technique. The growth and passivity breakdown of the passive film is proved by non-destructive electrochemical tests as well as by current monitoring. The current density experiences multiple peaks related to the nucleation of metastable pits on AISI 316 LN surface near the yield stress (fy), followed by passivi...
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#1Renfeng Yang (CNOOC Limited)H-Index: 3
#2Jinqing Zhang (CNOOC Limited)H-Index: 2
Last. Zhenhua Rui (MIT: Massachusetts Institute of Technology)H-Index: 27
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Abstract Waterflooding is the most commonly used oilfields development method, and the injectivity is the most critical factor for determining injectors count. Injectivity is usually based on actual on-field test, but lack of theoretical research. An analytical model was proposed to evaluate the water injectivity and predict the variation law. The decisive factor of the injectivity variation law was revealed through further mathematical analysis, and three mathematical conditions were also analy...
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#1Hamed Mansoori (OU: Ohio University)H-Index: 6
#2Bruce Brown (OU: Ohio University)H-Index: 29
Last. Marc Singer (OU: Ohio University)H-Index: 18
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Calcium ions are usually present at high concentrations in brines produced with oil and gas. Such brines are typically saturated with respect to CaCO3. Consequently, precipitation of CaCO3 as scale...
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#1Hamed Mansoori (OU: Ohio University)H-Index: 6
#2David J. Young (OU: Ohio University)H-Index: 61
Last. Marc Singer (OU: Ohio University)H-Index: 18
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Abstract Calcium and magnesium ions are major constituent species in produced brines associated with oil and gas production. Existing literature is often contradictory and unclear as to whether the presence of such ions accelerates or retards general corrosion. Furthermore, their influence on initiation and propagation of localized corrosion remains ambiguous. This review presents state-of-the-art knowledge concerning how Ca2+ and Mg2+ influence the CO2 corrosion mechanism. In addition, a best w...
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#1Yin Shen (U of C: University of Calgary)H-Index: 10
#2Akhil Agrawal (U of C: University of Calgary)H-Index: 13
Last. Gerrit Voordouw (U of C: University of Calgary)H-Index: 66
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Abstract Oil production by water injection often involves the use of makeup water to replace produced oil. Sulfate in makeup water is reduced by sulfate-reducing bacteria to sulfide, a process referred to as souring. In the MHGC field souring was caused by using makeup water with 4 mM (384 ppm) sulfate. Mixing with sulfate-free produced water gave injection water with 0.8 mM sulfate. This was amended with nitrate to limit souring and was then distributed fieldwide. The start-up of an enhanced-oi...
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#1Hamed Mansoori (National Iranian Oil Company)H-Index: 6
#2Reza Mirzaee (National Iranian Oil Company)H-Index: 3
Last. Alireza Soltan Dowrani (IAU: Islamic Azad University)H-Index: 1
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Abstract This paper presents corrosion failure analysis of an underground natural gas pipeline. The pipeline material grade is API 5L X65 with 10-in ID. The pipeline transfers multiphase fluid (gas, condensate, and water) from a gas well to a gas gathering plant, located 4200 m away from the well site. A portion of the line failed due to pitting corrosion under unknown circumstances. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) are employed to characterize the scales and/or cor...
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This study discusses the effects of temperature on corrosion inhibition for soft-cast steel by the pharmaceutically active drug olmesartan in 1 mol dm−3 HCl. The sufficient number of electron-rich elements and non-bonding π electrons in its structure favored a good capability for coating onto the electron-deficient steel surfaces. Theoretical and electrochemical measurements were carried out at the temperature region of 303 K to 333 K. Therefore, the experiment suggests that the inhibition effic...
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