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Picture for Acidification of the Electrolyte in the Carbon Steel/ Aluminum Alloys Galvanic Couple: Modeling and Experimental Study
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Acidification of the Electrolyte in the Carbon Steel/ Aluminum Alloys Galvanic Couple: Modeling and Experimental Study

Product Number: 51321-16334-SG
Author: A. Ortiz/ A. Ruiz-García/J. Genescá/R. Montoya
Publication Date: 2021
$20.00
Picture for ACVG or DCVG - Does it Matter?
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ACVG or DCVG - Does it Matter?

Product Number: 51317--9374-SG
ISBN: 9374 2017 CP
Author: Jim Walton
Publication Date: 2017
$20.00

This paper will point out when and why to use either Direct Current Voltage Gradient (DCVG) or Alternating Current Voltage Gradient (ACVG) surveys, including what the criteria of percent IR and Decibel microvolt (dBµV) really mean when conducting these survey techniques.

 
Picture for Addressing Integrity Issues in Downhole Equipment by Corrosion Inhibition in Sweet Geothermal Brines
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Addressing Integrity Issues in Downhole Equipment by Corrosion Inhibition in Sweet Geothermal Brines

Product Number: 51319-13364-SG
Author: Helmuth Sarmiento Klapper
Publication Date: 2019
$20.00

Geothermal resources have been successfully used in the Netherlands for heating districts in agriculture. Due to the high chloride content and the presence of carbon dioxide in some of the geothermal fluids in combination with the intrinsic elevated temperatures these production environments represent a considerable challenge for the integrity of the technical equipment in the geothermal plant. Localized corrosion damage in downhole equipment reported by several operators confirmed the need for a corrosion strategy to mitigate the impact of the aggressiveness of the geothermal fluid under the current operational conditions. To address this a corrosion inhibitor was characterized in the laboratory using a rotating cage to simulate high temperature and high shear stress conditions. Based on the positive outcome of these tests the corrosion inhibitor was successfully implemented in the field. This paper documents the corrosion damage observed in downhole equipment before the use of corrosion inhibition the obtained laboratory test results as well as the experiences from monitoring the field performance of the corrosion inhibitor in this geothermal demanding application.
Picture for Adhesion Of Corrosion Product Layers Formed In Dewing Conditions
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Adhesion Of Corrosion Product Layers Formed In Dewing Conditions

Product Number: 51321-17007-SG
Author: Claudia Prieto; Bruce Brown; Marc Singer; David Young
Publication Date: 2021
$20.00
Picture for Adhesively Bonded Composite Repairs Of Oil And Gas Structures
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Adhesively Bonded Composite Repairs Of Oil And Gas Structures

Product Number: 51321-17016-SG
Author: Chao Wei; Jonny Lim; Oleg Sukovoy
Publication Date: 2021
$20.00
Picture for Adsorption Desorption Behavior of Water Soluble Film Persistent Corrosion Inhibitor
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Adsorption Desorption Behavior of Water Soluble Film Persistent Corrosion Inhibitor

Product Number: 51319-12984-SG
Author: Sunder Ramachandran
Publication Date: 2019
$20.00

Water based corrosion inhibitors have been found that provide longer treatment lives and better protection than similar inhibitors in oil-based formulations. In this paper conventional film persistency tests are presented on a water soluble film persistent corrosion inhibitor. The conventional tests allow comparative evaluation of different corrosion inhibitors. Langmuir adsorption and desorption has been recently used to form a method of evaluating the impact of the loss of availability of a corrosion inhibitor. The adsorption-desorption analysis allowed quantitative assessment of loss of availability. In this paper these studies will be continued on a water soluble corrosion inhibitor that has been previously characterized as film persistent in conventional laboratory tests and field experience. The values of adsorption and desorption will be compared with values with a corrosion inhibitor that is not used in batch treatments. The work will aid quantitative laboratory assessment of film persistency.
Picture for Advanced Ceramic Coating to Prevent Vanadate Ashes Corrosion in a Coke Calciner Heat Recuperator
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Advanced Ceramic Coating to Prevent Vanadate Ashes Corrosion in a Coke Calciner Heat Recuperator

Product Number: 51319-13327-SG
Author: Micael Presa
Publication Date: 2019
$20.00

Flue gas corrosion produces a severe attack over stainless steel tubes in coke calciner heat recuperators. This corrosion is produced due to the presence of sulphur and vanadium in the calcining process which forms low melting and volatile corrosion products together with the reaction between the metal and the atmospheric oxygen at elevated temperatures. In an attempt to avoid this corrosion advanced silica based coatings have been developed and applied over stainless steel samples and have been characterized and tested under laboratory conditions (microstructure adherence and abrasion resistance thermal resistance). Besides a specific corrosion test has been designed in order to check chemical resistance to sodium vanadate salts at high temperature. Due to the excellent behavior of the coating showing a complete protection of the samples several coated prototypes were prepared and installed in the hottest part of one coke calciner heat recuperator to certificate the protective performance of the coating under real conditions (TFumes= 700 °C; TSteel = 580 °C). After 4 years of validation tests 800 tubes of 310S stainless steel (6350 mm OD x 241mm WT and 5000mm lenght) were coated to build a whole coke calciner heat recuperator unit with an average coating thickness of 150 µm. In 2018 after 12 months in operation visual inspection reports that ceramic coating remains in place and none of the tubes has been corroded.KEY WORDSFuel ash corrosion stainless ceramic coating coke calciner
Picture for Advanced Functional Testing for Non-Metallics in HPHT Conditions
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Advanced Functional Testing for Non-Metallics in HPHT Conditions

Product Number: MPWT19-14451
Author: Rod Martin
Publication Date: 2019
$0.00

As the service conditions for non-metallics becomes ever more challenging, their reliability and fitness for service evaluation requires more refined levels of testing. For elastomers used in HPHT sour conditions, the need to evaluate their ability to continue to seal requires testing that closer represents them as an elastomer seal and not as an elastomer material. This paper discusses new methods to test new techniques for the use of sour gas to conduct rapid decompression testing and new functional testing techniques to measure their ability to seal. The increased use of composite materials in more aggressive service has required new evaluation approaches to be developed and new standards written to match. This paper also discusses these new test methods for testing at a material and a pipe level within these standards.
Advanced Technology in Field Applied Thermoplastics for Corrosion: Protection Superior to Thermoset Coating Systems
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Advanced Technology in Field Applied Thermoplastics for Corrosion: Protection Superior to Thermoset Coating Systems

Product Number: 41205-195-SG
Author: Thomas G. Priest
Publication Date: 2005
$20.00

The control, mitigation and prevention of corrosion in environments ranging from mildly corrosive to severe atmospheric conditions to underground exposures (such as pipelines) to chemical spill and fume exposures has long been focused on the use of thermosetting polymers such as epoxies, polyesters, vinyl esters and urethanes. For the most part these materials have worked reasonably well in applications such as structural steel and equipment coatings, architectural paints, vessel linings, concrete coatings, secondary containment linings, and floor toppings.
Picture for Advances and Application of Scanning Vibrating Electrode Technique on Coated Mild Steel Under Cathod
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Advances and Application of Scanning Vibrating Electrode Technique on Coated Mild Steel Under Cathodic Protection

Product Number: 51315-5946-SG
ISBN: 5946 2015 CP
Author: Wei Shi
Publication Date: 2015
$0.00
Picture for Advances in Coupon Analysis for Improved Corrosion Management
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Advances in Coupon Analysis for Improved Corrosion Management

Product Number: 51321-16213-SG
Author: Christopher Kagarise/RichardEckert
Publication Date: 2021
$20.00
Advances in Mechanical Surface Preparation
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Advances in Mechanical Surface Preparation

Product Number: 41211-587-SG
Author: Kumar Balan
Publication Date: 2011
$20.00

The coatings industry is very familiar with shot/grit blasting as a mechanical means of surface preparation. Over the years, operators have worked with manual and automatic blast equipment with its associated dust collection arrangements. As with every manufacturing process, operating costs are very critical in this highly competitive industry. Therefore, coaters are always on the lookout for ways to tune their process and increase productivity.
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