Understanding Formic Acid Decomposition as a Corrosion Inhibitor Intensifier
in Strong Acid Environments

Cassidy, Juanita; McNeil, Robert I.; Kiser, Chad

doi:10.2523/106185-ms

Cited by 2 publications

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“…This organic acid is important for the protection of low-carbon steels from acid corrosion at high temperatures and pressure (Al-katheeri et al, 2002). Two different routes are proposed for decomposition of formic acid depending upon conditions (Cassidy et al, 2007) They found that the release of carbon monoxide (CO) were dependent on several variables, including temperature, acid strength, and alloy. Cassidy et al, (2007) found that for 28% HCl formic acid will intensify starting at about 150 o F (66 o C).…”

Section: Corrosion Inhibitor Intensifiersmentioning

confidence: 99%

Performance of Synthesized Amine-based Corrosion Inhibitors in Concentrated HCl Acid Solutions: Effect of Intensifier

et al. 2012

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Mono and diamine compounds were synthesized from 1, 12-dodecanediamaine, and evaluated as acid corrosion inhibitors for coiled tubing steel. The inhibition behavior of these compounds in concentrated HCl acid was examined using a gravimetric method. Weight loss tests were conducted in 28 wt% HCl acid at 60, 70 and 80 o C for 2 hours. The results showed that both mono and diamine inhibitors exhibited a good protection efficiency for coiled tubing steel in 28 wt% HCl acid. However, monoamine compounds showed better performance. Addition of an intensifier was effective to enhance protection efficiency for both amine moiety compounds where more than 99% protection was obtained for some inhibitors. The effect of intensifier concentration on inhibition efficiency is also addressed in this paper. The results obtained are very promising and suggest that some of examined corrosion inhibitors have a good potential to be used in acid stimulation treatments of oil/gas wells.

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Section: Corrosion Inhibitor Intensifiersmentioning

confidence: 99%

Performance of Synthesized Amine-based Corrosion Inhibitors in Concentrated HCl Acid Solutions: Effect of Intensifier

et al. 2012

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Perspective Chapter: Downhole Corrosion in the Oilfield

Almubarak,

Rafie

2024

Corrosion Engineering - Recent Breakthroughs and Innovative Solutions

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The focus of this chapter will be on corrosion during downhole oil and gas treatments such as matrix acidizing, inorganic scale removal, and mud filter cake removal. The chapter will start by introducing the nature of oil and gas treatments, defining the types of corrosion, sharing the type of metallurgy, and the effect of alloying for tubulars used in the oilfield. After that, corrosive elements such as gases will be discussed. Common corrosion mechanisms and prevention methods that include the use of corrosion inhibitors and intensifiers will be shared. Additionally, the chapter will mention the passing criteria in the industry and the most notable chemical incompatibilities encountered. Moreover, the toxicity of these corrosion inhibitors will be touched on briefly and the chapter will end with environmentally friendly options for corrosion inhibition in the oilfield.

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Understanding Formic Acid Decomposition as a Corrosion Inhibitor Intensifier in Strong Acid Environments

Cited by 2 publications

References 0 publications

Performance of Synthesized Amine-based Corrosion Inhibitors in Concentrated HCl Acid Solutions: Effect of Intensifier

Performance of Synthesized Amine-based Corrosion Inhibitors in Concentrated HCl Acid Solutions: Effect of Intensifier

Perspective Chapter: Downhole Corrosion in the Oilfield

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