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Products tagged with 'partitioning'

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Picture for Can Micelles Be Used To Expedite And Enhance Laboratory Qualification Testing?
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Can Micelles Be Used To Expedite And Enhance Laboratory Qualification Testing?

Product Number: 51322-17824-SG
Author: Scott Rankin, Andy Osnowski, Emma Perfect
Publication Date: 2022
$20.00

The prevention of internal corrosion remains a significant challenge during the production of oil and gas. The use of film forming corrosion inhibitors is an important and cost-effective means of protecting assets from corrosion. These chemicals operate by forming a protective layer between the corrosive species present in the produced fluids and the pipe surface.
Picture for Correlating physical chemistry with interfacial properties: Effect of salinity on the partitioning, distribution and performance of a quaternary amine corrosion inhibitor
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Correlating physical chemistry with interfacial properties: Effect of salinity on the partitioning, distribution and performance of a quaternary amine corrosion inhibitor

Product Number: 51323-19142-SG
Author: Richard Barker, Joshua Owen, Richard C. Woollam, Yasmin Hayagheib, Raeesa Bhamji, Jeanine Williams, William H. Durnie, Mariana C. Folena, Abubaker Abdelmagid, Hanan Farhat
Publication Date: 2023
$20.00

Corrosion inhibitors provide a cost effective method for internal corrosion control of carbon and low alloy steel infrastructure within the oil and gas industry. The correct selection and validation of inhibitors is essential to ensure successful, safe and reliable operation of infrastructure. Corrosion inhibitors used in upstream oil and gas production are characteristic of surfactant molecules, which adsorb at the metalsolution interface, creating a dynamic physical barrier that reduces electrochemical dissolution.
Picture for Corrosion Inhibitor Encapsulation For Enhanced Chemical Efficiency And Performance
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Corrosion Inhibitor Encapsulation For Enhanced Chemical Efficiency And Performance

Product Number: 51322-17548-SG
Author: Fang Cao, James Oxley, Yao Xiong, Satish Bodige, Dennis Schmatz
Publication Date: 2022
$20.00

Corrosion of pipelines made of carbon steel and exposed to wet hydrocarbons containing CO2 and H2S is a common but serious problem encountered in petroleum industry and its occurrence causes enormousexpense due to production downtime, accidental injuries, and replacement costs. Control and prevent corrosion using chemical treatment (e.g. corrosion inhibitor injection) is one of the most cost-effective solutions and commonly practiced methods to prevent corrosion failures in pipelines in oil and gas industry. Generally speaking, the active corrosion inhibitor (CI) components in commercial CI packages are usually organic, nitrogen-based surfactants such as amines, imidazoline and its derivatives. Due to the amphiphilic nature of surfactants, a good fraction of the injected CI will inevitably go into the oil phase through partitioning and to the oil/water interface.
Picture for Partitioning Of Multi-Component Surfactants Systems In Oil And Water
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Partitioning Of Multi-Component Surfactants Systems In Oil And Water

Product Number: 51321-16864-SG
Author: Richard C. Woollam
Publication Date: 2021
$20.00
Picture for Prediction Of The Mitigated Corrosion For Inhibitor Applications In Oil And Gas Operations
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Prediction Of The Mitigated Corrosion For Inhibitor Applications In Oil And Gas Operations

Product Number: 51321-16704-SG
Author: J. Sonke; Y. Zheng; J. Moloney
Publication Date: 2021
$20.00
Picture for Unravelling Surfactant Partitioning: Part 1 - Fundamental Theory and Modelling of Single and Multi-component Surfactant Distribution Responses
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Unravelling Surfactant Partitioning: Part 1 - Fundamental Theory and Modelling of Single and Multi-component Surfactant Distribution Responses

Product Number: 51324-20882-SG
Author: Richard Barker; Joshua Owen; Richard C. Woollam; William H. Durnie; Mariana C. Folena
Publication Date: 2024
$40.00
The application of corrosion inhibitors are fundamental to the safe and reliable operation of carbon steel infrastructure, presenting one of the most cost effective methods of internal pipeline corrosion control when deployed correctly. Despite decades of application in the oil and gas industry, a number of gaps remain in relation to our fundamental understanding of the performance of inhibitors. This is particularly true in the context of partitioning, and more so when the system under consideration comprises multiple surfactants. Part 1 of this two-part paper provides a detailed insight into the fundamentals of surfactant partitioning. Initially, the role of micellization in influencing single surfactant partitioning/distribution behavior between oil and brine is discussed, providing theoretical explanations for single surfactant system responses. The complexity of the systems examined increases with consideration extending to multi-surfactant environments, accompanied by discussion of idealized theoretical behavior. Subsequently, an idealized model to predict multi-component distribution responses between oil and brine is presented. To explore the model’s capabilities, experimental partitioning and micellization data collected from previous studies for two benzyl ammonium chloride corrosion inhibitors (BAC-C12 and BAC-C16) is integrated into the model. Such integration permits investigation into the effect of surfactant concentrations, relative surfactant molar ratios and water cut on partitioning/distribution behavior.
Picture for Unravelling Surfactant Partitioning: Part 2 - Experimental Study of Multi-Component Surfactant Partitioning Responses and Their Influence on Inhibition Performance
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Unravelling Surfactant Partitioning: Part 2 - Experimental Study of Multi-Component Surfactant Partitioning Responses and Their Influence on Inhibition Performance

Product Number: 51324-20883-SG
Author: Richard Barker; Joshua Owen; Raeesa Bhamji; Jeanine Williams; Amber Sykes
Publication Date: 2024
$40.00
In Part 1 of this two-part paper, a predictive model for multi-component partitioning was developed based on knowledge of individual component micellization and partitioning characteristics. In Part 2, the model’s validity is assessed through comparison with experimental partitioning data for an 1 wt.% NaCl brine:toluene system containing mixtures of two benzylammonium chloride corrosion inhibitors (BAC-C12 and BAC-C16). Following model validation, the implications of the experimental partitioning behavior on corrosion inhibition performance are examined via rotating cylinder electrode (RCE) experiments. Through selected experiments, the important role of each of the two surfactants and their relative molar concentration in influencing overall corrosion inhibition performance is examined. While BAC-C12 exhibited poor inhibition in isolation, when combined with BAC-C16 at specific molar ratios, BAC-C12 played a crucial role in retaining the longer chain surfactant in the aqueous phase. This response enabled BAC-C16 (the more effective surfactant corrosion inhibitor) to work synergistically with BAC-C12 to suppress carbon steel corrosion more effectively than the two components alone under these particular conditions.
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