Accurate Corrosion Prediction Through an Integrated
Approach

Bondos, Joseph; Reddy, Ramani V.; Pugh, Dylan; Norman, David; Pacheco, José Augusto; Nelson, Jocelyn C.

doi:10.2118/spe-111430-pa

Cited by 1 publication

(2 citation statements)

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“…7 Instead, confirmatory laboratory corrosion tests frequently accompany or follow the modeling. Specialized laboratory test apparatuses, such as large-volume highpressure, high-temperature autoclave test cells and/or a large-diameter sour multiphase flow loop, are often necessary to ensure proper replication of field conditions in the laboratory.…”

Section: Laboratory Testing Methodologymentioning

confidence: 99%

“…The corrosion current is equal to the anodic current which is equal to the sum of the cathodic currents: (7) where corr i is in A/m 2 , Fe M is the molecular weight of iron in g/mol, Fe ρ is the density of iron in kg/m 3 , n is number of moles of electrons used in reducing or oxidizing a given species, F is the Faraday's constant, and CR is in mm/s, which can be conveniently converted to mm/y.…”

Section: Electrochemistry Modelmentioning

confidence: 99%

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Corrosion Modeling Within an Integrated Corrosion Prediction Approach

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et al. 2009

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TX 75083-3836, U.S.A., fax +1-972-952-9435. AbstractThis paper describes an integrated approach, based on corrosion modeling and laboratory testing, to optimize the use of carbon steel in corrosive service for applications such as downhole tubulars, pipelines, and facilities. This approach presents economic advantages, such as reducing the use of expensive corrosion resistant alloys, while ensuring the operational integrity of equipment and facilities. A key part of this integrated approach is to apply reliable corrosion models underpinned with laboratory data. To be most effective, the models should account for the relevant chemistry and physics of the corrosion process, including the effects of detailed water chemistry, liquid hydrocarbons, and the degree of protection from iron carbonate or iron sulfide scales. Ideally, models should account for variations in conditions and flow characteristics along the length of a wellbore or pipeline. Case studies are presented that demonstrate how corrosion modeling in conjunction with laboratory testing may be used to the selection of validate carbon steel for challenging applications.

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Section: Laboratory Testing Methodologymentioning

confidence: 99%

Section: Electrochemistry Modelmentioning

confidence: 99%