... hydrogen sulfide standardization INTRODUCTION For the past 70 years, H₂S and its associated cracking mechanisms have been investigated, limits developed, and material properties identified. Prior to 1975 there were no standards, but there were standardized requirements outlined in various NACE...

...-10v.%SiC and UNS R56400-10v.%TiB₂ materials for high-value parts manufacturing to be used in the corrosive geothermal environment. Nickel-based alloy Titanium-based alloy Carbon dioxide Hydrogen sulfide Energy-dispersive X-ray spectroscopy (EDS) Steam INTRODUCTION Proper material...

...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...

... can generate hydrogen sulfide that will react with iron to form iron sulfide. Before placing pipelines and storage tanks out of service. It is important to choose chemicals that can prevent oxygen and acid gas corrosion and keep microbial populations in control. In this paper, laboratory data...

... for HISC, UNS N8935 is an interesting candidate for subsea applications. Further, UNS N08935 is interesting as tubing for HPHT-wells due to its very high strength. UNS N08935 SCC hydrogen sulfide hydrogen embrittlement INTRODUCTION UNS N08935 is a newly developed 6% Mo grade that has a high Pitting...

... attacked than the austenitic N08811 and that for both materials the mass loss rises with increasing H₂S content in the gas atmosphere and increasing temperature. High temperature corrosion hydrogen chloride hydrogen sulfide stainless steel INTRODUCTION Thermal cracking of anthropogenic...

...Abstract Recent environmental awareness, drive to lower emission and economic benefits associated with flare gas recovery has seen a shift in flaring practice. Flare Gas Recovery Unit (FGRU) often use well-established amine sweetening technologies to scavenge the deleterious hydrogen sulfide gas...

... systems. The intent is to provide a perspective that helps them make technically informed decisions. hydrogen sulfide H₂S scavengers capacity efficiency kinetics mass balance INTRODUCTION H₂S is commonly found in oil and gas production streams and is either naturally occurring...

... testing consisted of series of 4,000 psi (20.6 MPa) autoclave tests with 1500 psi (10.3 MPa) hydrogen sulfide (H₂S), temperatures up to 375°F (191°C), and exposures of 15 and 30 days. Corrosion was described both qualitatively (e.g., discoloration, pitting, spalling, corrosion byproducts...

... 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...

... exposed to a sour hydrocarbon mixture containing carbon dioxide (CO₂), methane (CH₄), hydrogen sulfide (H₂S), deionised water and hydrocarbon fractions. The thermoplastic liners considered in this study were manufactured from four different resin materials; two polyamide...

...). The paper deals with a study on the cracking susceptibility of SS grade 347 and DSS grade 2205 in refinery simulated process environments containing hydrogen sulfide and chloride. The paper also reports the electrochemical behavior of these SSs in the medium containing hydrogen sulfide and chloride...

... filtered out. Fluids from the production wellhead were sampled at the well and immediately tested for total dissolved hydrogen sulfide via a standard iodometric titration technique. Briefly, HCl and a starch indicator solution are added to the sample. An iodine solution is then added dropwise until...

...CRA Hydrogen Sulfide Chromium Nickel Molybdenum passive film INTRODUCTION The increasing demand for oil and gas has led to the development of wells with high pressure / high temperature (HPHT) and/or high concentrations of hydrogen sulfide. Corrosion resistant alloys (CRAs) are standard...

... under sand deposits tested at same conditions, i.e., 14-day exposure at 100°F (37.8°C). Under deposit corrosion Iron sulfide (FeS) sand mill scale hydrogen sulfide carbon dioxide INTRODUCTION The presence of surface deposits, such as sand, iron sulfide (FeS) and/or organic solids in oil and gas...

... that the model reasonably reproduces experimental data and predicts the repassivation potential and corrosion rates. General corrosion localized corrosion corrosion-resistant alloys corrosion potential repassivation potential theoretical model hydrogen sulfide oil and gas production INTRODUCTION...

... hydrogen sulfide high temperature corrosion iron sulfide Fe₃O₄ Pourbaix diagram The effects of high temperature and exposure time on the H₂S corrosion kinetics and Fe_xS_y transformation sequence have been studied in previous work. ^{9 - 10}...

... measured and associated with microstructure and hardness profile. Results showed that HIC susceptibility is related to the hardness. Regions with higher hardness had a higher tendency for crack initiation. hydrogen steel flexible pipe hydrogen sulfide INTRODUCTION Flexible pipes may be exposed to high...

.... The objectives of this review paper are to identify the key challenges and limitations facing the current EAC cracking limits per NACE MR0175 / ISO15156 and make recommendations for best practices in selecting materials for HPHT sour upstream production applications. Hydrogen Sulfide High Pressure High...

.... The analysis of the cracks and hardness measurements of the joints indicate that sulfide stress corrosion cracking is the most likely cause of failure due to combined effect of thermal stresses, corrosive environment and susceptible material. IDDP-2 Geothermal corrosion damage high temperatures hydrogen...