.... The 5-M methodology combines various integrity assessment methods (ECDA, SCCDA, and ILI) with applied science so that strengths of one methodology overcome the weaknesses of others. The 5-M methodology consists of five steps: Mitigation Model Monitoring Maintenance Management...

...) of Corrosion in the Oil and Gas Industry” 2015 NACE Technical Report 21410, “Selection of Pipeline Flow and Corrosion Models” 2015 ISO 17093, “Corrosion of Metals and Alloys – Guidelines for Corrosion Test by Electrochemical Noise Measurements” 2016 NACE SP0116, “Multiphase Internal Corrosion...

... (PCR_CO2 in mpy or PCR_CO2/40 in mm/y) varied with partial pressure of CO₂ (pCO₂ in psi or 6.9.pCO₂ kPa) in the range 0 to 100 psi (0 to 689 kPa) as: (7) P C R p C O 2 = − 0.63 p C O 2 + 74 TOTAL PRESSURE Abstract The sour model had been...

...This study deals with oxidizing ions vanadium in nitric media and a new model to predict the intergranular long term corrosion rate. Effect of temperature, vanadium concentration and nitric acid concentration on corrosion rate of non-sensitized austenitic stainless steel were determined...

...carbon steel hydrogen sulfide iron sulfide experiment model INTRODUCTION The mechanism of H₂S corrosion of carbon steel under corrosion product layer forming conditions is a complex process that still lacks a comprehensive understanding. A few years ago, a predictive model...

...Material Abstract The present study has been conducted to investigate the electrochemistry of mild steel corrosion in mixed H₂S/CO₂ aqueous environments and develop an electrochemical model to simulate the experimental results. The experiments were designed to determine...

... modeling. LPR results showed that corrosion rates increased with increasing temperature, partial pressure of H₂S, flow rate and decreasing pH. Results of potentiodynamic sweeps show the presence of H₂S could affect both cathodic reactions and the anodic reaction. A new electrochemical...

...External SCC of natural gas and liquid pipelines has been the focus of extensive research over the past four decades. Although heuristic models and rules of thumb have been developed based on the knowledge of the factors that are important in both high pH and near-neutral pH SCC, comprehensive...

...Interfacial Electrochemical Processes Abstract A model has been developed to predict the anaerobic corrosion behaviour of carbon steel used fuel containers in a sealed deep geological repository. The Steel Corrosion Model Version 1.0 (SCM V1.0) is based on a series of one-dimensional reactive...

.... Secondly, precipitation and deposition data are combined to obtain the first kinetic surface deposition model giving a scale thickness in millimetres per year as a function of the saturation index for CaCO₃ scale at these two temperatures. Experiments were performed using a Rotating Cylinder...

...Abstract The effect of an inert solid deposit on uniform CO₂ corrosion of mild steel is modeled based on a mechanistic electrochemical CO₂ corrosion model. Laboratory testing has shown that the dominant factors introduced by the inert solids deposit are related to surface...

... Reduction (BCSR) theory was able to predict longer term SRB pitting using short-term pitting data in laboratory experiments for MIC in hydrotest. hydrotest SRB MIC seawater THPS model INTRODUCTION Hydrotesting is a common practice to assess pipeline integrity before service. It is different from...

... if S_Lab is less than 12, a value of 12 can be used as default when using this equation. Eqn. 17 S C P = 20 16 * ( S C P T + S C P S + S S C S + S C P E C + S D W C P ) Where MODEL The performance of the coating in the field depends...

... Sulfate Reduction (BCSR) theory was presented in NACE/2009. It sheds some lights on MIC mechanisms. This work demonstrates how the theory together with bioenergetics, electrochemical kinetics, and mass transfer can be used to explain various mysteries in MIC. Some experimental data and model simulation...

... growth and the effect on corrosion. Dynamics of multiphase flow. The equations behind the model were faithful descriptors of the abovementioned physico-chemical processes underlying corrosion. This is in contrast with most of the other models review by Nyborg ² , which are fully empirical...

.... Although useful, such an approach can lead to either crude or non-reliable determination of SCC sites due to the complexity of the cracking process, Gap An alternative approach would be to use a modeling tool, which would incorporate many, if not all, of the above variables and their interactions...

... Study Fields scale squeeze inhibitor overflush brine model INTRODUCTION Scale Squeeze Process Scale inhibitor squeeze treatments for preventing carbonate and sulphate scales are well-established procedure in onshore and offshore oil production facilities. ^{1 - 8} In general...

... corrosion pipeline H2S model carbon steel INTRODUCTION Suspended solids often cause serious plugging issues for the subsurface formation and the small diameter distribution lines in the water re-injection system, resulting in frequent replacement of pipeline and well tubing, costly workovers...

... to model the inventory of both the process-affected water and the chlorides in it. Being able to predict the chloride concentration for a given water content in the bitumen allows operators to quantify the corrosion impact on its operations. Chloride bitumen process-affected water computer model...

.... The results have shown that the effect of traces of H₂S on CO₂ corrosion needs to be given particular care when making simulations. field data CO₂ corrosion pipeline H₂S model carbon steel INTRODUCTION In CO₂ corrosion, various factors related...