Obtaining Batch Corrosion Inhibitor Film Thickness Measurements Using an Optical Profiler

Autor:	Carlos M. Menendez, Josef M. Bojes, John Lerbscher
Rok vydání:	2011
Předmět:	Materials science General Chemical Engineering Metallurgy General Chemistry Standard technique Diluent Corrosion Pipeline transport Corrosion inhibitor chemistry.chemical_compound Interferometry chemistry Shear stress Application procedure General Materials Science
Zdroj:	CORROSION. 67:035003-1
ISSN:	1938-159X 0010-9312
DOI:	10.5006/1.3560117
Popis:	Batch corrosion inhibitors are used widely for the corrosion control of production wells and pipelines in the oil and gas industry. Rules of thumb that incorporate film thickness, contact time, and surface area are still commonly used to calculate the volume of batch inhibitor required for pipeline applications. Measuring the actual thickness of the inhibitor film on the metal and the impact of different variables on the film (e.g., inhibitor type, contact time, diluent type, dilution ratio, shear stress) offer the potential to provide a better understanding for optimizing the application procedure and required batch frequency. Optical profiling (or white-light interferometry) has long been a standard technique for noncontact, three-dimensional (3-D) measurement of surface topography. This method now has been extended to thickness measurements of semitransparent batch inhibitor films. In this paper, the impact of several variables (i.e., inhibitor type, contact time, diluent ratio, shear stress) ...
Databáze:	OpenAIRE
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