October 2020, Vol. 247, No. 10

Tech Notes

Overcoming Challenges of Pigging the “Unpiggable”

By Chinedu Oragwu, Technical Advisor, Quest Integrity, Nigeria   The need to manage and maintain pipeline system integrity has become increasingly important to operators in recent years. Accurate measurement and evaluation of the physical condition of oil and gas pipelines is critical to effective integrity management, as well as to the assurance of sustained pipeline safety.  A custom ultrasonic in-line inspection technology. (Photo: Quest Integrity) Conventional inline inspection tools are frequently used to perform detailed inspections on pipelines. These tools are not designed for use on all pipelines; however, lack of pigging faci

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