Thu, October 11, 2018
Runtime: 64 minutes - click the registration button below to view a recording of the webinar.
DATE: October 11, 2018
TIME: 11:00 a.m ET
HOST: Richard McNealy, Chevron Energy Technology Company (ETC)
PRESENTERS: Elizabeth Bowlin, PE & Puneet Agarwal, PhD, PE, Stress Engineering Services
MODERATOR: Zoe Shall, Pipeline Research Council International
Hydrostatic testing and Iinline inspection are the prescribed integrity assessment methods cited in various codes and regulations and have been proven to enhance pipeline safety. However, a significant number of pipelines across the world remain difficult to inspect and impractical to modify for inspection by the prescribed methods due to physical configurations or operating conditions. The members of the Pipeline Research Council International, Inc. (PRCI) recognized the role of inspection sampling for facilities and equipment and continued development by industry of technology with capabilities to evaluate pipe wall condition considering configuration and operational difficulties. The PRCI members proposed research of the state-of-the-art (SOTA) of NDE technology readiness considering physical and operational barriers and technology deployment from inside, outside or over pipelines, and the possible role of inspection sampling to conclude pipeline integrity and justify intervals for conversion for piggability or hydrotest. The goal of the research was to propose alternatives to ILI for safe prioritization and scheduling for conversion or replacement and not to replace hydrostatic test or ILI as currently prescribed in codes and regulations.
Note: NACE ECDA and ICDA are examples of prior structured processes also intended for integrity management of difficult to inspect pipelines. The important difference between NACE ECDA/ICDA and the current PRCI research is the screening step and extent of direct examination. The NACE processes evaluate pipeline protection elements, operations and alignment while the PRCI research focuses on NDE based technologies that evaluate the pipe wall. Additionally, the PRCI process addresses the significance of high resolution NDE sample size and area sampled compared with the NACE process that relies on a small prescribed number of direct examinations.
Expected Benefits/Learning Outcomes
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Project Final Report: PR-201-153718-R03 Integrity Assessment of DTI Pipelines Using High Resolution NDE in Select Areas
Keywords: pipeline inspection, difficult to inspect, Inline inspection, NDE, ECDA, ICDA, hydrostatic testing, API 1163
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