... CO₂ corrosion carbon steel H₂S high temperature INTRODUCTION The presence of large quantities of CO₂ (from 25% to 89%) in gas fields have imposed increased challenges on the economics of project development and subsequent operations. ¹ A major issue in developing...

... temperature ≈20 °C. The corrosion inhibitor concentrations tested included 10, 100, 1000 ppmv, and 1 %. After samples were dosed with corrosion inhibitor, they were shaken 10 times, and left for 24 hours. ABSTRACT CO₂ corrosion is one of the most common problems faced during oil and gas production...

... to the saturation limit, the corrosion rates in dense phase CO₂ is very low, around 0.001 mm/y. CO₂ corrosion CCUS free water phase dissolved water experimental artefacts dissolution time INTRODUCTION CO₂ can cause corrosion of carbon steel under certain conditions...

... influencing CO₂ corrosion rate. ^{1 , 5} Abstract Corrosion inhibitors are widely used to protect carbon steel facilities in the oil and gas production industry. However, field conditions can vary significantly and become more challenging with field maturation. One of the challenges...

...EXPERITMENTAL APPROACH Experimental Preparation, Equipment, and Operation of Mild Carbon Steel Experimental design ABSTRACT This study is aimed to compare the corrosion rate predictions obtained from CO₂ corrosion models with experimental results on mild carbon steel (C1018) exposed...

... measurement are also discussed. The test method describes in this work differentiates such inhibitor behavior clearly. This will provide a field operator an important first step to screen the inhibitors. Corrosion Inhibitor Contact Angle Adsorption CO₂ Corrosion INTRODUCTION Corrosion...

... ) . Abstract This study aims to i) determine the dissociation constant (pK_a) of acetic acid (HAc) in monoethylene glycol (MEG) which is used to calculate the relative amount of undissociated HAc at different pH, and ii) investigate the influence of MEG on CO₂ corrosion of carbon steel...

... was also proposed based on the physical proprieties and the nature of the surface. CO₂ corrosion iron carbonate top of the line corrosion decanethiol cementite scale INTRODUCTION Chemical composition and microstructure of carbon steel plays an important role in corrosion processes. In 1963...

... CO₂ corrosion. Corrosion sensor Water/humidity sensor Multi-parameter optical fiber sensor Distributed sensing Pipeline corrosion CO₂ corrosion INTRODUCTION Corrosion is a critical issue in the oil and natural gas industry because it adversely affects the component functionality...

... CO₂ corrosion of mild steel at various temperatures (25°C to 80°C) in a 1 wt.% NaCl electrolyte. CMC values were also evaluated at the same temperatures using a tensiometer to investigate the connection between inhibitor concentration, micellization, and inhibition efficiency. The results showed...

... concentration was above the surface saturation value, full surface coverage was detected by AFM measurements and corrosion was uniformly retarded. corrosion inhibitor organic surfactant quaternary ammonium carbon steel in-situ atomic force microscopy CO₂ corrosion INTRODUCTION In oil and gas...

... contains magnesium (Mg²⁺) and calcium (Ca²⁺) ions. Although carbon dioxide (CO₂) corrosion of mild steel and its corrosion products has been extensively studied, the effect of Mg²⁺ and Ca²⁺ are frequently overlooked by researchers. Usually, a simple...

... changed to CO₂ corrosion. The combined oxygen and CO₂ corrosion phenomenon was studied by laboratory experiments in simulated annulus conditions. The experiments showed that in a normal situation with CO₂ containing annulus gas without oxygen (air), the armour wires would...

...OCTG CO₂ corrosion Hydrogen embrittlement Underground gas storage INTRODUCTION Abstract In China, some underground gas storages (UGS) would be built to reserve the gaseous coal gas (CO, H₂, CO₂, H₂O, etc.). Gaseous hydrogen induced hydrogen...

... inhibition of general corrosion, the pitting becomes less severe. As shown in Table 7 , blank tests at higher CO₂ partial pressure show more pits. CI1 and CI2 ( Figure 7 ) completely stopped the growth of pits deeper than 25 µm. High Temperature High Pressure CO₂ Corrosion Corrosion...

... of corrosion behaviors and mechanisms in multiphase flow environments. Moreover, a new software based on Fluent and the existing multiphase corrosion models was developed to realize the numerical simulation of multiphase flow in loop. Corrosion flow loop multiphase corrosion CO₂ corrosion...

...   A. , " Corrosion of carbon steel in water equilibrated with liquid and supercritical CO2 ," CORROSION/2016 , paper no. 7740 ( Houston, TX : NACE International , 2016 ). 5 Morland   B.H. , Svenningsen   G. , Dugstad   A. , " Corrosion rate of carbon steel in pure water with increasing CO2...

... the software SIMAD ^§ (Laboratory Interfaces et Systèmes Electrochimiques-France), which allowed fitting both the frequency-dependent analytical expressions and equivalent electrical circuits. Carbon dioxide (CO₂) corrosion becomes a serious problem when, in the oil and gas...

... on a phosphonate scale inhibitor and a traditional corrosion inhibitor. CO₂ corrosion scale inhibition corrosion inhibition combination product INTRODUCTION The development of combination products for scale and corrosion inhibition for wells with high downhole temperatures, about 150°C (302°F...

... understand the inhibition performance of a homologous series of imidazoline surfactants on CO₂ corrosion of carbon steel at varied salinity and temperature, and its relationship with the CMC. This complements results from a homologous series of quaternary amines presented previously. ⁴...