In this review, events leading to ingress of O2 in various upstream oil and gas systems are investigated. By analyzing reported instances in the literature, factors leading to oxygen infiltration are elucidated. Pipeline maintenance, equipment failures, system design and construction, accidental introductions, chemical injections, and improper protocols are explored and further analyzed to gain a broad understanding of oxygen ingress pathways. The findings of this study raise awareness of O2 as a contributing factor in the corrosion mechanisms involved in these systems, coupled with preservation of asset integrity.

Subject
Water, Piping, Oxygen ingress, Leaks, Pipelines, Oil and gas, Lead, Fluids, Hydraulic equipment, Oxygen, Waste water, Sampling, Oil
Keywords:
O2 ingress, Oil and gas systems, Literature review
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2024
Association for Materials Protection and Performance (AMPP)
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