Cathodic Protection and VCI Gel Filled Pipe-Casings for Corrosion Protection

Cathodic Protection and VCI Gel Filled Casings for Pipeline Corrosion

In this interview with Sujay Math, Sr. Technical Lead at Zerust Oil & Gas in Houston, TX, he discusses corrosion protection strategies for carrier pipelines in cased crossing scenarios. These are commonly referred to as casings worldwide or sleeves in the United Kingdom (UK).

About the Expert

Sujay Math is a subject matter expert in cathodic protection, vapor corrosion inhibitors, and their combined use for oil and gas asset preservation. With a Ph.D. in civil engineering materials (2013), he has extensive experience in corrosion prevention for pipelines and aboveground storage tanks.

Questions Covered in This Interview

1. Is the cased section of a carrier pipe protected with Cathodic Protection (CP)?
2. What are the common problems with casings from a corrosion standpoint?
3. What techniques has the oil & gas industry used to address corrosion on cased pipelines?
4. What is Vapor Corrosion Inhibitor (VCI) gel and what are its benefits in casing annulus?
5. How does Cathodic Protection (CP) work when the carrier pipe is metallically shorted to the casing? What benefits does VCI gel provide?
6. What do regulations say about VCI gel fill in casing annulus?
7. How are pipeline owners monitoring VCI gel-filled casings?

Watch the Interview

Pipeline Corrosion Solutions

Zerust Oil & Gas is a world leader in protecting bare metals from corrosion. Our team of experts is ready to answer your corrosion questions and provide customized solutions.

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