Studies on the impact of fluid flow on the microbial corrosion behavior of product oil pipelines

Song, Xiaoqin; Yang, Yuexin; Yu, Dongliang; Lan, Guihong; Wang, Zhilin; Mou, Xingjie

doi:10.1016/j.petrol.2016.07.035

Cited by 53 publications

(20 citation statements)

References 22 publications

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“…The specimens were transferred to a desiccator and kept under vacuum for 5 minutes. After 24h, they were weighed to the tenth of a thousandth of a gram in order to investigate the variation of the mass to obtain the corrosion rate according to the Standard ASTM G1-03 7 3 . In order to evaluate the loss of mass of the carbon steel test specimens, Standard NACE RP-0775 8 was adopted, which establishes the levels of corrosivity for carbon steel.…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, it is important to investigate how corrosion behavior, which is associated with the action of the environment and chemical, physical and biological factors, occurs. In the industrial sector, biological action is of great importance, due to the activity or action of microorganisms, which can directly or indirectly influence the process of corrosion of metal surfaces 3 . According to the Agência Nacional de Petróleo, Gás Natural e Biocombustíveis (ANP) 4 , Diesel S10 has become more sensitive to being contaminated by microorganisms.…”

Section: Introductionmentioning

confidence: 99%

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Biocorrosion on Surface of ASTM A283 Carbon Steel, Exposed in Diesel S10 and Tap Water

et al. 2018

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This paper sets out to evaluate the corrosion and biocorrosion of carbon steel ASTM A283 exposed to a Diesel S10 oil/tap water system under static conditions for 90 days. The following analyzes were performed: physico-chemical in tap water, sulfur content in Diesel S10 and quantification of sessile microorganisms in the biofilm formed on the metal. To monitor the corrosion process, mass loss, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), confocal laser microscopy and X-ray diffraction (XRD) were performed. There were changes in the composition of the medium, correlated with the formation of corrosion and biofilm products. There was biodegradation of the fuel, which in contact with water influenced the development of microorganisms. Moreover, the corrosion rate was classified as moderate, the main form of corrosion being seen to be local alveolar corrosion. Therefore, the results revealed that water in diesel oil can be an aggravating factor in the process of corrosion and biocorrosion.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biocorrosion on Surface of ASTM A283 Carbon Steel, Exposed in Diesel S10 and Tap Water

et al. 2018

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“…EPS are composed of charged polymers and can significantly contribute to the accumulation of different chemical species inside EPS. In the case where organic acids are produced by microbial species, mineral dissolution rates are expected to increase [19,20]. The results of EDS analysis show that elements oxygen, sulfur, calcium, chloride, and iron were present in the biofilm.…”

Section: Analysis Of Corrosion Products/biofilm At the Outer Surfacementioning

confidence: 99%

Microbiologically Influenced Corrosion of a Pipeline in a Petrochemical Plant

Khouzani

Bahrami

Hosseini-Abari

et al. 2019

Metals

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This paper investigates a severe microbiologically influenced failure in the elbows of a buried amine pipeline in a petrochemical plant. Pipelines can experience different corrosion mechanisms, including microbiologically influenced corrosion (MIC). MIC, a form of biodeterioration initiated by microorganisms, can have a devastating impact on the reliability and lifetime of buried installations. This paper provides a systematic investigation of a severe MIC-related failure in a buried amine pipeline and includes a detailed microstructural analysis, corrosion products/biofilm analyses, and monitoring of the presence of causative microorganisms. Conclusions were drawn based on experimental data, obtained from visual observations, optical/electron microscopy, and Energy-dispersive X-ray spectroscopy (EDS)/X-Ray Diffraction (XRD) analyses. Additionally, monitoring the presence of causative microorganisms, especially sulfate-reducing bacteria which play the main role in corrosion, was performed. The results confirmed that the failure, in this case, is attributable to sulfate-reducing bacteria (SRB), which is a long-known key group of microorganisms when it comes to microbial corrosion.

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“…The total aerobic bacteria were in higher concentrations in the produced water sample. Aerobic bacteria consume dissolved oxygen in the fluid which provides the anaerobic environment with the propitious growth of anaerobic bacteria 15,24 . SRB, total anaerobic, acid-producing aerobic and anaerobic bacteria were also present in the produced water.…”

Section: Characterization Of Corrosion Productsmentioning

confidence: 99%

Corrosion Behavior of API 5L X80 Steel in the Produced Water of Onshore Oil Recovery Facilities

et al. 2017

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High-strength low-alloy steel is used in pipelines, which transport oil/gas and also produced water in the process of the secondary recovery of oil. This paper investigates the corrosion of X80 steel after immersion in static systems (biotic and abiotic). The corrosion rate, the corrosion morphology and the hardness of the coupons were investigated. The corrosion products were determined by SEM/EDS and XRD. The corrosion rates of the coupons in the biotic system were moderate and had an agressive pit morphology, while those of the coupons in the abiotic system were low with less aggressive pit. The hardness of the coupons after exposure to the systems of produced water was not changed compared with that of the control coupons. The corrosion products formed in the biotic system were Fe(OH) 3 , Fe(OH) 2 , FeOOH, Fe 3 O 4 , FeS 2 , FeCl 3 , and in the abiotic system, NaCl, CaCl 2 and SrSO 4 . BaSO 4 and CaCO 3 were identified in both systems.

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Studies on the impact of fluid flow on the microbial corrosion behavior of product oil pipelines

Cited by 53 publications

References 22 publications

Biocorrosion on Surface of ASTM A283 Carbon Steel, Exposed in Diesel S10 and Tap Water

Biocorrosion on Surface of ASTM A283 Carbon Steel, Exposed in Diesel S10 and Tap Water

Microbiologically Influenced Corrosion of a Pipeline in a Petrochemical Plant

Corrosion Behavior of API 5L X80 Steel in the Produced Water of Onshore Oil Recovery Facilities

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