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Keywords: corrosion rate
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16384
... is used as online corrosion monitoring tool to monitor the metal loss and determine the corrosion rate of the pipelines. In addition, the data from the FSM units can be used to support other studies such as pigging and corrosion inhibitor optimization. This paper will cover the real time corrosion...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16283
... drift consists by frequent additions of strong acid during the test. The objective of this work is to compare NACE TM0177 Solution B, EFC 16 solution with and without pH adjustment and HLP solution. Thermodynamic calculations for predicting the saturation pH, hydrogen permeation tests, corrosion rates...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16967
... Abstract It is important to monitor the corrosion rates of steel in electrolyte environments such as aqueous solution as well as soil in order to evaluate the integrity of the members of facilities. As a nondestructive monitoring method, CIPE (Current Interrupted Polarizing Extrapolation...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16443
... = 4.5) at 25°C. Linear polarization resistance (LPR) measurements were conducted to determine the corrosion rate (CR) over a wide range of CI concentrations, from which surface saturation concentration and surface coverage values were extracted. Kinetic parameters for adsorption (kA, kD, and KAD) were...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16863
... Abstract A 2018 case study (C2018-10909) required a rapid quantitative assessment of the external corrosion rate (CR) that buried station piping was subject to when equipped with an underperforming Cathodic Protection (CP) system in a high electrolyte resistivity environment. Originally...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12767
... corrosion rate prediction permission manuscript co 2 corrosion mass change Publication Division carbon steel alloy stress corrosion texas 77084 specimen Houston Performance of UNS N06625 weld clad on carbon steel in CO2/H2S environment at 120 °C Shiladitya Paul TWI Granta Park Cambridge...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12756
... in this study. ILSS is a sum of four terms, i.e., A: temperature, B: wall shear stress (WSS), C: Total Dissolved Solids (TDS) and D: corrosion rate (CR). They categorized ILSS into four risk levels as shown in Table 1. The score was later acknowledged by UK HSE Office 2 . This study also confirmed the validity...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12822
... ABSTRACT INTRODUCTION determining accurate corrosion rates if variations in corrosion rates are experienced since the corrosion is assumed to have occurred at the same rate during the coupon exposure period determining low corrosion rates without utilizing long exposure times...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12845
... of the medium. Figure 2 shows a typical process for protective layer formation.2 After a high starting corrosion rate, the deposition of Cu ions and the integration into the protection layer continuously decreases until a very low base level of Cu ion deposition is set that is retained for several years...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12768
... corrosion oilfield chemistry well integrity Publication Division flowline corrosion mechanism co 2 corrosion rate steel holiday Houston dissolution Production Chemistry Upstream Oil & Gas CRA coating texas 77084 coating supercritical co 2 reaction carbon steel permission manuscript...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12744
... Pipeline Corrosion Production Chemistry well integrity Subsurface Corrosion Engineering H2S management indolizine derivative acidizing Upstream Oil & Gas corrosion inhibitor Corrosion Inhibition oilfield chemistry riser corrosion corrosion rate specimen inhibitor Houston texas 77084...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12838
... water-saturated supercritical CO 2 environments. Results showed that X70 and 3Cr steels mainly suffered from localized corrosion, and both the general and localized corrosion rates under static condition were higher than that under dynamic condition. 3 wt.% Cr content was unable to effectively enhance...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12869
... polymorphs and phases which is a strongly kinetically controlled phenomenon. In addition, high temperature studies have also shown that a thermodynamically less stable but kinetically favored inner Fe 3 O 4 layer developed under the iron sulfide layer and greatly affected the corrosion rate. In this paper...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12763
... and aggressive process environments. For this purpose, the model calculates the corrosion rates, corrosion potential and repassivation potential as a function of temperature, alkalinity, pH, partial pressure of gases (including H 2 S), and concentrations of various aggressive species. The corrosion rates...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12901
... & mining Production Chemistry H2S management hydrochloric acid alloy 35mo West Conshohocken Corrosion Testing austenitic grade ASTM Publication Division permission heat exchanger corrosion rate stainless steel Houston super austenitic grade Alloy 35Mo, a new versatile PRE 52 alloy Ulf H...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12894
..., especially for the 10 ppb requirement. Corrosion Inhibition materials and corrosion Pipeline Corrosion riser corrosion Corrosion Management Subsurface Corrosion H2S management flowline corrosion oilfield chemistry well integrity corrosion rate experiment alloy Publication Division...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12885
... Electrode (RCE) system according to ASTM G185-06. The testing environment consisted of modelled brackish water at different temperatures and pH values (30°C, 50°C and 85°C; pH=6 and 8). The corrosion rates of the test specimens calculated by both linear polarization resistance (LPR) and weight loss methods...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12770
... by triazoles on the metal surface is also affected by the high free chlorine and it requires additional triazole to re-passivate the film for corrosion protection. 3-5 materials and corrosion Pipeline Corrosion flowline corrosion riser corrosion chemistry corrosion rate new inhibitor Upstream Oil...

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