... 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...

... ^* 0.24 0.9 0.04 0.04 0.15 - 0.40 * Max. allowable, unless otherwise noted Abstract Radioactive and chemically hazardous wastes are stored at the Hanford site in underground double-shell tanks (DSTs) constructed of carbon steel. The corrosion management of these tanks has mainly focused...

... for the experiments. Weight loss experiments were carried out using API 5L X65 carbon steel in No SRB and With SRB conditions at three different soil moisture contents in a sandy soil. Results showed that an increase in the soil moisture content decreased the corrosion rate. The presence of SRB in soil, although...

... of tubulars in oil production and the high productivity of pre-salt exploration wells Petrobras reviewed its production model of offshore oil exploration. Knowing the results of previous works ^{5 - 12} that showed the influence of oil type and BSW on carbon steel corrosion, the need for a specific...

...sulfidation corrosion crude unit carbon steel S Factor heavy gas oil hydrogen sulfide mercaptans sulfur compounds INTRODUCTION Abstract A new prediction tool was developed for sulfidation corrosion applied in crude units. The corrosion rate of sulfidation is predicted using the total...

... grain sizes after transformation during cooling. There was also less pearlite being formed in the finer grain structures due to the gradual lowering of the carbon content that limits the rate of corrosion. ⁴ Properties of API 5L carbon steel The samples were stored in zip-lock polyethylene...

...% of recoverable fluid on a molar basis. ¹ This CO₂ must be removed from the raw gas stream before reaching gas production facilities, transiting subsea production lines on the order of 100+km before treatment onshore. The fact that subsea pipelines are typically made of carbon steel, ²...

...Abstract The objective of this research is to obtain a quantitative description of the effect of adsorbed H₂S and chloride on the hydrogen penetration in high strength low alloy (HSLA) carbon steel, by evaluating the response of hydrogen permeation current and the formation...

... the susceptibility of welded carbon steel specimens (ASTM A106 Gr.B and ASTM A 516 Gr.70) to amine SCC under field conditions of glycol contactor at 190°C, in monoethylene glycol (MEG) mixture at pH 11. A blank test at pH 8 was conducted for comparison. The testing indicated that there is no perceptible detrimental...

...INTRODUCTION Abstract Stress corrosion cracking (SCC) is a documented threat to the integrity of carbon steel radioactive waste storage tanks. An extensive amount of work has been carried out in caustic simulants of Hanford wastes containing between 6 and 12 M sodium hydroxide. Most...

... understanding of corrosion and film formation occurring on typical alloys used in alkaline electrolyzers. Potentiodynamic sweeps were performed on carbon steel (UNS K03014) and austenitic stainless steel (UNS S31603) in 25 wt% KOH under O₂, N₂ and H₂ at atmospheric pressure from...

... the polarization curve of in-situ measurement. It was found that the CIPE method was useful to monitor corrosion rates of steel in concrete as well as in neutral aqueous solution as presented in the conferences of CORROSION 2018 and 2019. In this paper, results of corrosion rates of carbon steel in sand containing...

... calculation. corrosion prediction top of line TLC oil and gas carbon steel pipelines INTRODUCTION Top of line corrosion (TLC) is known as one of the main corrosion threats in wet gas pipelines operating in stratified flow conditions. Using a corrosion model is one of the key tools to identify...

... differ greatly. This model has been extensively calibrated against experimental results in both corrosion product free conditions as well as in conditions where corrosion product layers form. carbon steel corrosion rate modeling uniform corrosion carbon dioxide hydrogen sulfide It has been well...

.... average) is not appropriate for this type of flow. Our model has the unique capability to predict the shape and magnitude of wear patterns around the pipe circumference in straight, horizontal piping for a wide range of pipe materials including metallics (e.g. carbon steel and stainless steel...

... 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...

...Abstract Carbon steel elements for motor engine assembly are produced in different companies typically settled far from the assembly plant. As corrosion must be avoided, condition of transportation are of paramount importance. VCIs are used in the packaging, applied of the polymer sheet used...

.... The corrosion rate of carbon steel in HF is known to be highly dependent on the acid concentration/strength, temperature, ability to form and maintain a passive layer (adherent protective iron-fluoride layer), and RE content of the steel. ^{5 – 6} In the sample examined, it is possible...

... (E_corr), corrosion current (J_corr), polarization resistance (R_p) and corrosion rate (R_corr), for carbon steel specimens without additives and after their immersion in a test solution containing tetraphosphonates. The electrolyte solution was 3.5 % NaCl. Each electrode...

.... Reducing the number of the chemicals contributed to reduction of the operation cost too. Sweet corrosion Carbon steel Corrosion inhibitor Rotating cage autoclave Batch treatment INTRODUCTION This is a brief history of a corrosion control on production tubing and flowlines in a gas condensate field...