51314-4067-Application of Internal Corrosion Predictive Modeling (ICPM) in Pipeline Integrity Risk Management of Oil and Gas Production Fields

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Product Number: 51314-4067-SG

ISBN: 4067 2014 CP

Author: Nima Tajallipour

Publication Date: 2014

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Enhancing the integrity of pipelines as a medium for gathering transportation or distribution of crude oil petroleum products gas or water is a continuous improvement process which demands a periodic review and update (i.e. integrity assessment mitigation and remediation) to ensure the effectiveness of existing programs and the application of new tools technologies and best current available practices. This paper summarizes the results of a comprehensive integrity risk assessment which was conducted for six different oil and gas production fields. In this assessment internal corrosion modeling technique was applied to assess the risk of internal corrosion for all oil emulsion (OE) sour gas (SG) salt water injection (SW) and 15% of sweet natural gas (NG) pipelines which were in-service at the time of this investigation. Molding results were then used to perform a pipeline integrity risk assessment for the investigated production fields. This Pipeline Risk Assessment follows in-part the non-mandatory guidelines outlined in CSA Z662-11. However for the scope of this paper only the risk of corrosion degradation is discussed. The result of risk assessment is a ranking of each pipeline based on known and calculated parameters which affect the “likelihood” or probability of a corrosion related event occurring and the “consequence” of a corrosion related failure. Key words: Pipeline Risk assessment internal corrosion predictive modeling Internal Corrosion Integrity likelihood consequence