Materials Performance

JUN 2016

Materials Performance is the world's most widely circulated magazine dedicated to corrosion prevention and control. MP provides information about the latest corrosion control technologies and practical applications for every industry and environment.

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78 JUNE 2016 MATERIALS PERFORMANCE NACE INTERNATIONAL: VOL. 55, NO. 6 NACE NEWS NACE OFFICERS P R E S I D E N T Sandy Williamson* Ammonite Corrosion Engineering, Inc. Calgary, AB, Canada V I C E P R E S I D E N T Samir Degan* Osnar Paints and Contracts Pvt. Mumbai, India T R E A S U R E R Terry Greenfeld* CorroMetrics Services, Inc. Mobile, AL, USA P A S T P R E S I D E N T Jim Feather* Retired—ExxonMobil Research Fairfax, VA, USA C H I E F E X E C U T I V E O F F I C E R Robert H. Chalker* NACE International Houston, TX, USA D I R E C T O R S Bruce Cookingham/2014-2017 BP Houston, TX, USA Peter Harkins/2014-2017 Tinker & Rasor Co. San Bernardino, CA, USA Michelle Lau/2014-2017 Mach3 Engineering Selangor, Malaysia Debra Boisvert/2015-2018 Target Products, Ltd. Burnaby, BC, Canada Richard B. Eckert/2015-2018 DNV GL Dublin, OH, USA Darby Howard/2015-2018 JDH Corrosion Consultants, Inc. Concord, CA, USA Thomas Ladwein/2015-2018 Aalen University of Applied Science Aalen, Germany Mohammed Al-Subaie/2016-2019 Saudi Aramco Dhahran, Saudi Arabia Jorge Canto/2016-2019 Corrosion y Proteccion Hidalgo, Mexico Cris Conner/2016-2019 Utility Service & Maintenance, Inc. St. Louis, MO, USA Andrew Haiko/2016-2019 LTK Engineering Services Ambler, PA, USA Eric Langelund/2016-2019 Piping & Corrosion Specialties, Inc. Millersville, MD, USA E X O F F I C I O D I R E C T O R S Keith Perkins President, NACE International Foundation Chris Fowler President, NACE International Institute *Executive Committee members A pproximately 110 attendees were present for the second Technical Interactive Ex- change (TIE) under the series of "Jung Se Jung," which was the brainchild of A.K. Karnatak to jointly run a series of technical semi- nars by the NACE International India Gateway Section (NIGIS) and GAIL on a quarterly basis. This time the topic was on "Pipeline Internal Corrosion Monitoring." The seminar was held at the GAIL, Noida, India offices for three hours on February 10, 2016. The conveners were M.K. Sogani and Ashish Khera, with NIGIS staff sup- port from Kim Shah. The internal corrosion monitoring seminar and the intercompany valedictory session for the seminar were chaired by Patrick Teevens, Carlos Palacios, Shri Anil Pandey, Shri Rajesh Uprety, and Shri Gautam Chakorborty. The objective of the TIE was to discuss the industry practices and concerns regarding pipeline internal corrosion monitoring for the oil and gas operators and consultants, with the aim of providing the best way forward. Discussions in the TIE were led by the co-chairs, with a panel of invited speakers. The speakers were requested to present case studies on inter- nal monitoring along with a brief presentation on their areas of specialty. Invited Speakers Teevens, of Broadsword Corrosion Engineering, Ltd. (Calgary, Alberta, Can- ada) and a GAIL contracted corrosion subject matter expert (SME), led the semi- nar with two sessions dealing with "Internal Corrosion Monitoring Best Prac- tices" for different operational contents such as gas, liquid petroleum gas (LPG), liquid natural gas (LNG), and crude oil. This included the optimization of moni- toring, corrosion economics, and the five W 's (who, what, when, why, and where) for effective corrosion monitoring. Much to the surprise of many attendees was the dangerous practice of using Type-B welded NACE Area & Section News East Asia and Pacifc Rim Area sleeves to repair pipeline leaks associated with internal corrosion. Teevens linked the need for reliable corrosion monitoring to be able to serve as a "flag" or early warning about the susceptibility of a pipeline sub- region to internal corrosion severity and the need to avoid Type-B sleeves at all costs. India's pipeline operators must change their respective cultures from "Bury and Do Not Worry" to "Bury and Worry!" Teevens also covered the need to use the best techniques to measure corrosion rate but only deploying those resources after comprehensive internal corrosion predictive modelling (ICPM) was per- formed in accordance with the methodologies consistent with NACE SP0110-2010 and SP0116-2016 standards. Another controversial topic was the indis- criminate use of electrical resistance (ER) monitoring sensors in the presence of hydrogen sulfide (H 2 S). He pointed out that the recently revised NACE Interna- tional Committee Report 3T-199-2012, Section 3.13 p. 14, cites this aspect as being potentially problematic because of the semiconductor properties associated with iron sulfides. Uprety of the Oil Industry Safety Direc- torate (OIDS)—Noida, India gave his perspective on "Internal Corrosion Moni- toring—Experiences of OISD." Uprety started his session with comments on the need for carbon steel plate material used in line pipe fabrication to be addressed in

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