... H₂S corrosion INTRODUCTION The use of dry coating on Premium OCTG connections to replace both storage and running compounds presents numerous benefits for end-users. It preserves the environment and keeps the well clean by preventing the dope discharge into the atmosphere and into the well bore...

... design and field implementation, continuous improvement through frequent review of monitoring data, excellent leadership support, and a multidisciplinary team approach are described. Sour Gas Corrosion Sweet Gas Corrosion H₂S Corrosion CO₂ Corrosion Elemental Sulfur Chemical...

... in CO₂/H₂S environment. Electroless Ni-P coating CO₂ H₂S corrosion EIS SEM electrolyte penetration INTRODUCTION Carbon steel has been widely used in the oil and gas industries due to its good mechanical and chemical properties and relatively low cost in the past...

...Sour corrosion H₂S corrosion iron sulfide corrosion product gas well scale INTRODUCTION Iron sulfide (FeS) deposits are ubiquitous in sour oil and gas production systems. Corrosion of carbon steel in waters containing H₂S almost always leads to the formation of FeS...

... temperature, without deposits and at a low salinity. To improve the effective use of the model and to guide engineers in addition to corrosion prediction, specific corrosion mitigation measures required for sour corrosion were incorporated. Sour Corrosion H₂S Corrosion Corrosion Prediction...

... CO₂ and H₂S corrosion environments at 30 and 60°C. X-ray diffraction data showed that the pyrrhotite layer changed during exposure; in an aqueous CO₂ solution it underwent dissolution while in a mixed CO₂/H₂S solution it partially transformed to troilite...

... the coverage and complexity of the corrosion products formed increased dramatically with increasing temperature. H₂S corrosion CO₂ corrosion Chromium steels Corrosion rates Corrosion products Cold-climate conditions High pressure high temperature INTRODUCTION Corrosion of a casing...

... the negative effect of methanol on sour TLC. Top of Line Corrosion H₂S corrosion methanol INTRODUCTION Top of line corrosion is a corrosion phenomenon that has been known for since at least the 1950s. ^{1 - 3} Although the first reported TLC cases were for sour conditions, most research...

... and gas corrosion CO₂ corrosion H₂S corrosion Integrity Operating Window INTRODUCTION The base case for material selection in Oil and Gas production is the use of Carbon Steel (CS), even in aggressive internal corrosive production environments. This use implies, for assurance...

... and can be used to elucidate the environmental conditions at which CRAs are susceptible to localized corrosion. Localized corrosion corrosion-resistant alloys H₂S corrosion corrosion potential INTRODUCTION Corrosion-resistant alloys (CRAs) are widely used in the oil and gas industry...

... ratios as high as 1000 can result in predominantly sour corrosion at the low temperature, high pressure conditions tested. H₂S corrosion CO₂ corrosion Martensitic carbon steels Corrosion rate Corrosion scales Cold-climate conditions INTRODUCTION Another consideration beyond...

... and elucidates the interplay of the effects of Cl, H₂S and temperature on localized corrosion. Furthermore, it has been validated by predicting the critical crevice temperature. Localized corrosion corrosion-resistant alloys H₂S corrosion repassivation potential INTRODUCTION Table 1...

... the predictions of corrosion products made by the Pourbaix diagrams to those formed during experiments. It was observed that the experimental results generally agreed with the predictions made by the Pourbaix diagrams. Hydrogen sulfide iron sulfide Pourbaix diagram polymorphous H₂S corrosion...

... provided a number of publications describing a mathematical model for the prediction of H₂S corrosion resulting in mackinawite films. The work by Zheng ^{40 - 41} has provided additional support to Nešić’s model through electrochemical studies of the initial mackinawite formation...

... steel corrosion fatigue flexible riser H₂S corrosion annulus environment iron confinement mackinawite Work by Rogowska et al. ¹¹ explored the iron ion concentrations in solution for CO₂ corrosion of the tensile armour using a reasonably high V/S ratio of 24 ml...

... reaction at high pH. EIS showed that the impedance generally increased with time then reached the steady state. This could be related to the formation of corrosion product layers. H₂S corrosion high strength deep drilling steel alkaline brines electrochemical corrosion measurements A three...

... of the underlying steel due to galvanic interactions. Supercritical CO₂ CO₂ H₂S corrosion Corrosion resistant coatings Thermal spray coatings HVOF Coatings High pressure CO₂ Dense Phase CO₂ INTRODUCTION Exploration of deep CO₂-rich wells...

... layer ⁴ . sour gas corrosion H₂S corrosion elemental sulfur corrosion surfactants corrosion Inhibitors corrosion testing INTRODUCTION Corrosion occurs when sulfur particles directly contact a metal surface and exhibits a crevice-corrosion-like attack is observed ⁵...

... reaction mechanism beyond simply reducing the solution pH. H₂S corrosion neutral and basic pH electrochemical impedance spectroscopy linear polarization resistance high strength low alloy steel INTRODUCTION The effects of hydrogen sulfide (H₂S) on the corrosion of high strength...

... results on steels and corrosion resistant alloys (CRA) are presented in this paper, and discussed with reference to conventional low pressure/low pH tests. H₂S corrosion ultra high pressure testing SSRT INTRODUCTION Two test laboratory devices, able to perform tests at ultra high pressure...