... and subsequent failure. It was determined that both fittings experienced localized corrosion due to exposure to carbonic acid and dissolved hydrogen sulfide. Mitigation strategies were developed to minimize the potential for similar failures in the future. Carbon dioxide corrosion localized corrosion carbonic...

... corrosion mechanism was found to be carbon dioxide corrosion, which was supported by a change in gas to oil ratio (GOR) leading to the release of CO₂ gas in response to pressure changes along the line in areas of relatively high pressure and temperature. Additional contributory factors included...

... corrosion test method, and reports preliminary corrosion test results. carbon dioxide corrosion sweet corrosion supercritical carbon dioxide carbon capture and storage CCS CCTS pipeline corrosion INTRODUCTION As the estimated costs of a changing global climate climb ever higher, ¹...

...⁺ reduction mechanism which is strongly influenced by solution pH (and H⁺ concentration) is not as influential Corrosion rate and corrosion products at 30°C Carbon dioxide corrosion hydrogen sulfide corrosion Iron sulfide uniform corrosion pitting localized corrosion INTRODUCTION In the oil...

... into the flow loop to simulate typical oilfield conditions. The results are explained in terms of the selective removal of the inhibitor film from different regions of the weldment at high flow rates and the corrosion mechanism in the presence of oxygen is discussed. carbon dioxide corrosion oxygen corrosion...

... for both film-forming inhibitors and pH stabilization. carbon dioxide corrosion corrosion inhibition sand deposits galvanic corrosion INTRODUCTION Materials and chemistry The use of carbon steel in combination with CO₂ corrosion inhibitors represents an economically favorable alternative...

... partial pressure of 0.2 psia, carbon dioxide was shown to have little effect on the oxide formation and corrosion rate. Black powder corrosion testing carbon dioxide corrosion oxygen corrosion quartz crystal microbalance INTRODUCTION Black powder is a term used to describe the loose grayish material...

...Black powder corrosion testing carbon dioxide corrosion oxygen corrosion corrosion inhibition QCM INTRODUCTION Black powder is a term used to describe the grayish material generated in sales gas pipelines mainly as a result of internal corrosion of the pipeline wall. ¹ It occurs...

... are described to examine the process of corrosion in sales gas lines. The experiments test the use of corrosion inhibiting chemicals to retard black powder formation in sales gas pipelines. Black powder corrosion testing carbon dioxide corrosion oxygen corrosion corrosion inhibition INTRODUCTION Black...

... review of major techniques applied in carbon dioxide corrosion testing and monitoring. The focus is on the advantages and disadvantages of variously designed testing apparatus and monitoring devices for localized corrosion detection and assessment. Critical factors affecting the reliability and accuracy...

... and outlines the research work undertaken in support of the design. Of particular interest are the highly reliable corrosion inhibition program and the design features which allowed this high level of reliability. sour gas corrosion carbon dioxide corrosion corrosion inhibition sour service metallurgy...

... CO₂ environment and acidizing condition. martensitic stainless steel Chromium Nickel Molybdenum seamless pipe OCTG carbon dioxide corrosion high temperature acidizing INTRODUCTION Four kinds of commercial pipe including two types of modified 13Cr steel, new 15Cr steel, 22Cr duplex stainless...

...It is recognized that dissolved oxygen may be introduced into oil and gas process streams with severe repercussions on the rate of carbon dioxide corrosion [ 8 , 9 ]. Dissolved oxygen is inevitably introduced from the atmosphere into process streams during oil and gas recovery through chemical...

... sour environment. The good SSC resistance for this developed pipe was obtained by the good pitting resistance, induced from high Cr and Mo addition. martensitic stainless steel Chromium Nickel Molybdenum Copper seamless pipe OCTG carbon dioxide corrosion sulfide stress cracking toughness...

.... ¹ In this paper, new work on improved oilfield chemicals to retard erosion corrosion is reported. erosion corrosion corrosion inhibition sand production carbon dioxide corrosion INTRODUCTION Metal loss due to the impingement of particles has been well studied. ^{2 , 3 , 4} Laboratory...

... rate of steel at severe sweet environment. martensitic stainless steel Chromium Nickel Molybdenum seamless pipe OCTG carbon dioxide corrosion high temperature pitting corrosion film INTRODUCTION The field application of AISI 420 13% Cr steel pipe (Conventional 13%Cr) is steadily increasing...

... corrosion inhibitors carbon dioxide corrosion biodegradability bioaccumulation biocide INTRODUCTION Corrosion is a serious and difficult problem in the oil and gas industry and its prevention is acute in offshore operations. Water, acidic gases such as hydrogen sulfide and carbon dioxide, organic acids...

... dioxide corrosion crude oil corrosion inhibition aqueous extract INTRODUCTION Continuing on the idea of better understanding the effect of crude oil in the corrosion of steel under conditions of crude oil production, several investigations have been performed and showed that crude oil in certain...

... environment. This phenomenon was made clear by immersion tests, field tests and loop tests. Furthermore, we have developed a 3% Cr Electric Resistance Weld (ERW) linepipe steel with good Heat Affected Zone (HAZ) toughness in a simulated field weld using laboratory methods. carbon dioxide corrosion 3% Cr...

... anticipate additional I.D. field joint failures and take actions to inspect the pipeline to identify such sites. More details regarding this analysis and the follow up work initiated are given in this paper along with conclusions and recommendations. blisters carbon dioxide corrosion coating failure...