Taking Control of Top of Line Corrosion in Multiphase Flowlines Using Early Flow Assurance and Mitig

Taking Control of Top of Line Corrosion in Multiphase Flowlines Using Early Flow Assurance and Mitig

Publish Date: 11th June 2014

Author: Deborah Buswell, Veerendhar Ponagandla, Scott Bufton, Terry Wood

Conference: North America Multiphase Technology Conference 2014

The emergence of issues related to Top Of Line Corrosion (TOLC) has caused the industry to realize that the subject requires more scrutiny, and that current practice tends to under-estimate TOLC corrosion rates. There has been an increasing amount of research being undertaken to assess the prediction of this particular form of corrosion. This paper presents various mitigation methods for TOLC and discusses how the choice must work in concert with the overall system-level design of the project. This paper also presents a new approach using Computational Fluid Dynamics (CFD) to assess both the water droplet level at the TOL and the associated protection from corrosion inhibitor.

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