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Case Studies On Vapor Corrosion Inhibitor Monitoring Using Electrical Resistance Probes For Oil And Gas Assets.

Picture for Case Studies On Vapor Corrosion Inhibitor Monitoring Using Electrical Resistance Probes For Oil And Gas Assets.
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Aboveground storage tanks (ASTs) are assets that contain valuable goods for the oil and gas industry. Consequently, monitoring and preventing loss of containment and extending the service life of those assets is a priority for the abovementioned industries. To monitor the degradation process of the tanks, ER probes are typically used to determine the corrosion rates. Corrosion rates can be used to forecast the service life of an asset by estimating the time at which the degradation reaches a critical thickness of the tank. If the corrosion rate is such that the critical thickness is expected to reach below the expected service life of the asset, the lifespan can be extended by corrosion mitigation methods.

Product Number: 51322-17855-SG
Author: Daniel Mugongo, Juan Dominguez Olivo
Publication Date: 2022
Industries: Corrosion Monitoring and Control , Coatings and Linings , Coatings
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$20.00
$20.00

Electrical Resistance (ER) probes are used as the central corrosion rate monitoring process to evaluate the effectiveness of Vapor Corrosion Inhibitors (VCI). The dependability of ER probes has become one of the major resourceful instruments being used to periodically examine corrosion rates underneath Aboveground Storage Tanks (AST). There are many approaches to detect corrosion levels underneath such tanks. One that is reliable and trackable is using a data logger to take readings on ER probes continuously and analyzing the data using a graphical method that thoroughly shows a linearized comparison of metal loss over time. The analytical range of check values is important during the analysis process with regards to making sure the reference points are standardized and within a good variant. A linear trend is used to quantify the corrosion rate and performance of VCI over time. The decision to either inject or reinject VCI are usually made in conjunction with analyzed data from the moving point average method that shows a proportional reduction in metal loss and inhibitor efficiency beneath the tank. Case studies on VCI monitoring in different geographical regions are outlined in this paper.

Electrical Resistance (ER) probes are used as the central corrosion rate monitoring process to evaluate the effectiveness of Vapor Corrosion Inhibitors (VCI). The dependability of ER probes has become one of the major resourceful instruments being used to periodically examine corrosion rates underneath Aboveground Storage Tanks (AST). There are many approaches to detect corrosion levels underneath such tanks. One that is reliable and trackable is using a data logger to take readings on ER probes continuously and analyzing the data using a graphical method that thoroughly shows a linearized comparison of metal loss over time. The analytical range of check values is important during the analysis process with regards to making sure the reference points are standardized and within a good variant. A linear trend is used to quantify the corrosion rate and performance of VCI over time. The decision to either inject or reinject VCI are usually made in conjunction with analyzed data from the moving point average method that shows a proportional reduction in metal loss and inhibitor efficiency beneath the tank. Case studies on VCI monitoring in different geographical regions are outlined in this paper.

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Case Analysis Of Electromagnetic Interference Of AC Substation On Pipeline

Product Number: 51322-17517-SG
Author: Su Jin
Publication Date: 2022
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A substation is a place where the power system converts voltage and current and receives and distributes electric energy. When a phase line is abnormally connected to another phase line or ground, a large amount of current will flow into the ground through the grounding bed of the substation. In such case, if metal structures exist such as buried pipelines near the substation, the pipelines often withstand serious electrical interference 1, which causes stray current corrosion of the pipelines 2 and other safety problems.
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Case Study: Foreign Operator DC Interference On An Existing Pipeline Systems

Product Number: 51322-17587-SG
Author: Jessica Jaskolka
Publication Date: 2022
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EN Engineering (ENE) completed an AC interference study over 68 miles of an operator’s transmission line. In addition, an ACVG survey of approximately one (1) mile of the pipeline was conducted at the take-off point of the 8” line. As a result of this AC interference study, evidence of elevated AC corrosion risk has not been found on the operator’s pipeline. However, a review of the provided data shows evidence of DC interference due to a nearby foreign rectifier groundbed at the take-off point of the operator’s line.
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Case Study - Sharing An AC Mitigation System

Product Number: 51322-17786-SG
Author: Hycem Bahgat, Daniel Hebb, Sorin Segall, Ernesto Gudino, Karl Shen, Shan Jiang
Publication Date: 2022
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AC interference analysis between high voltage AC (HVAC) powerlines and buried pipelines is a matter of current interest due to the growing number of right-of-ways shared between powerline and pipeline infrastructure. This is only expected to increase as the worldwide energy demand grows considerably over the next 30 years,1 and stricter environmental regulations and policies are applied. Therefore, AC interference will continue to be an issue of concern for powerline and pipeline operators to protect the public, environment, and maintain asset integrity.
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