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02497 REPRODUCIBILITY IN ROTATING CYLINDER AUTOCLAVE TESTING OF CORROSION INHIBITORS

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Product Number: 51300-02497-SG
ISBN: 02497 2002 CP
Author: G. Ruschau, D. Blumer, and G. Harris
Industry: Oil and Gas Production
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A rotating cylinder autoclave test has been used to screen corrosion inhibitors for field testing. A number of seemingly insignificant variables have been found which can greatly affect the measured corrosion rate in the test which can affect the relative ranking of the inhibitors evaluated in the test. These variables include the brine stability, rotation smoothness, CO2 pressure, coupon metallurgy, test duration, and selected inhibitor dosage. Other variables were noted in the course of the work and their effects on results quantified. The reproducibility of the test method has been significantly improved by elimination of each variable in a systematic manner. Keywords: Inhibitor, rotating cylinder autoclave, CO2 corrosion
A rotating cylinder autoclave test has been used to screen corrosion inhibitors for field testing. A number of seemingly insignificant variables have been found which can greatly affect the measured corrosion rate in the test which can affect the relative ranking of the inhibitors evaluated in the test. These variables include the brine stability, rotation smoothness, CO2 pressure, coupon metallurgy, test duration, and selected inhibitor dosage. Other variables were noted in the course of the work and their effects on results quantified. The reproducibility of the test method has been significantly improved by elimination of each variable in a systematic manner. Keywords: Inhibitor, rotating cylinder autoclave, CO2 corrosion
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02276 WHY CORROSION INHIBITORS DO NOT PERFORM WELL IN SOME MULTIPHASE CONDITIONS: A MECHANISTIC STUDY

Product Number: 51300-02276-SG
ISBN: 02276 2002 CP
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Picture for Evaluation of corrosion inhibitor with high speed rotating cage
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51318-10903-Evaluation of corrosion inhibitor with high speed rotating cage

Product Number: 51318-10903-SG
Author: Susumu HIRANO, Toshiyuki SUNABA and Takashi ITO
Publication Date: 2018
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Three brands of oil-soluble water-dispersible inhibitors were evaluated with the rotating cage autoclave (RCA). Some inhibitors showed enough efficiency at high rotating speed but the others require more dosage to maintain the same result.

 
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