Predict-Crude 2.0
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Naphthenic acid and sulfidic corrosion (termed crude corrosivity) in crude refining are key corrosion mechanisms contributing to asset degradation and failure in the atmospheric distillation unit (CDU), vacuum distillation unit (VDU), transfer lines, and side cut piping. Predict-Crude 2.0 enables accurate quantification of corrosion due to these factors to enable safe crude unit operations, giving refiners the confidence to work with opportunity crudes.

Predict-Crude 2.0 software encapsulates inferences, experimental results, and research data from a comprehensive, four-year Joint-Industry Program (JIP) sponsored by leading refining and engineering companies. The JIP resulted in the development of quantitative engineering database and decision-support model to predict crude corrosivity in naphthenic acid and sulfur dominated systems. These results took into account corrosivity caused by factors such as critical environmental parameters, Total Acid Number (TAN/NAT), sulfur (H2S) content, temperature, hydrocarbon content, flow regimes and wall shear stress.  

Predict-Crude 2.0 helps users:

  • Store and manage crude assays and tie-in with corrosion prediction data

  • Pinpoint parameters contributing to corrosion and develop effective mitigation methods

  • Automate evaluation and analysis of complete piping systems and refinery crude / vacuum columns.

Predict-Crude 2.0 offers an intuitive user interface that takes little time to master and delivers results quickly. It presents the inputs needed to quantify the crude corrosivity for CDU or VDU side cut piping, including naphthenic acid content and H2S level (active sulfur) as well as pressure, temperature and stream information.

Predict-Crude 2.0 performs an in-depth analysis and generates:

  • Predicted corrosion rate for eight materials, expressed in MPY or MMPY

  • Comparison with industry guidelines (API or McConomy results) 

  • Flow results – flow regime and wall shear stress

  • Dominant corrosion mechanism – Naphthenic, Sulfidic or Mixed

  • Time-to-failure plot – predicted time to failure based on current corrosion rate.

Predict-Crude 2.0 helps users, including refinery operators:  

  • Develop and implement Integrity Operating Windows (IOW) through crude and process analyses

  • Plan utilization of opportunity crudes with varying TAN and sulfur content, without fear of expensive corrosion failures

  • Effectively characterize and predict corrosion and identify appropriate, resistant materials (when carbon steel is not applicable)

  • Store and manage crude assays and tie-in with corrosion prediction data.  

Documentation
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Corrosion Prediction and Material Selection for Crude Corrosivity ApplicationsPredict-Crude 2.0 is the only system of its kind, which provides refineries to utilize opportunity crudes and assess safe boundaries for naphthenic acid and sulfidation corrosion. 213.54 KBProduct Information Note25 Feb 2016

​Training, maintenance and support are critical aspects to consider when choosing a technology partner. Honeywell offers world-class training through our Automation College as well as comprehensive maintenance and support services designed to leverage your physical and intellectual assets and help you sustain and increase their value and performance over time.​

 
 
 
 
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