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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-2021-16863
... 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 2021, April 19–30, 2021
Paper Number: NACE-2021-16868
...% corrosion rates ca. 0.05 mm/year for 28-day tests. Higher CO 2 partial pressure did not lead to increased corrosiveness, unlike shear stress. There was localized corrosion in most of the evaluated test conditions, confirming the importance of using laboratory techniques that allow such analysis. Localized...
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-2021-16283
... adjustment and HLP solution. Thermodynamic calculations for predicting the saturation pH, hydrogen permeation tests, corrosion rates and fine characterizations of iron sulfide scales were performed for being correlated to SSC test results and for understanding the impact on the hydrogen uptake...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16443
... for this methodology development in an aqueous environment of 5 wt.% NaCl (pH = 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...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16704
... Abstract Over the past decades, several corrosion prediction models have been developed for Upstream Oil and Gas process conditions. These models provide the unmitigated corrosion rates in typical sweet or sour conditions. However, the practice of field operations is typically based...
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 2019, March 24–28, 2019
Paper Number: NACE-2019-12718
... and predict pipeline corrosion rate. One type of model that attracts attention in recent years is probabilistic models especially those created based on Bayesian Networks. Bayesian Networks is particularly well suited to help the DA process because the methodology allows combining mechanistic models...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12734
..., west, northwest, up, and down. Chloride deposition rates and corrosivity index values were also monitored in all of the directions and orientations. Statistical analyses confirmed that the average corrosion rates measured on the 10 faces (i.e., north, northeast, east, southeast, south, southwest, west...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12713
... ABSTRACT A compact and autonomous corrosion sensor using the principle of electrical resistance variations of its metallic sensitive tracks has been used for different applications under atmospheric corrosion conditions. The measurements of the corrosion rate are performed in-situ both...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12820
... that effective inspection is critical to ensuring the long-term, safe use of bridges, many organizations have included active online corrosion monitoring as a part of their integrity management programs. Subsurface Corrosion materials and corrosion multi-array sensor probe corrosion rate permission...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12773
... rate in boiling water. Short term corrosion tests in boiling water showed a decreased corrosion rate from 5.3 mpy to 1.93 mpy for 50 ppm VCI and 1.32 mpy for 100 ppm VCI addition. Long term corrosion tests in the hot steam generating closed loop system showed a decreased corrosion rate from 8.2-8.9 mpy...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12766
... the entire duration of the test. However, the R p values indicated that the corrosion rate of the sample in aerated condition is likely to be significantly higher. After testing, examination of the sample revealed the formation of calcareous deposit, Mg- and Ca- containing layers, in aerated condition...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12742
... Hydrate Remediation hydrate inhibition well integrity scale removal effect Publication Division permission scale removal ratio texas 77084 Boiler remediation of hydrates Efficiency dispersant Scale Removal wax inhibition asphaltene remediation scale inhibition polymer corrosion rate...
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...

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