Abstract
A large number of oil and gas facilities and equipment parts around the world are approaching or have exceeded their original design life. Misuse of oil and gas equipment can easily lead to accidents, production failures or supply disruptions. This not only poses an immediate risk, but can also lead to wider economic losses as well as damage to the environment and human lives. While routine inspection can reduce some risks, it cannot identify all potential hazards. With obsolete equipment, possible safety problems cannot be predicted in advance. Taken together, all these factors can pose a potential threat to the safety of oil and gas complexes. When assessing the state of industrial safety, not only quantitative indicators of hazards must be taken into account, but also factors that can significantly increase the number of accidents and the severity of their consequences. These factors include the factor of almost constant retirement of main production assets due to depreciation and obsolescence of equipment. Having analyzed the main causes of accidents and incidents that occurred between 2016 and 2020, it was found that the cumulative share of accidents related to the operation of equipment with an expired standard service life was 64 %. The purpose of this article is to discuss guidelines for assessing life extension to ensure the technical and operational integrity of oil and gas equipment. Some threats to integrity from physical degradation mechanisms are considered. The aim is to highlight those mechanisms by which an installation deteriorates physically and functionally, including human factors and organizational problems. To make suggestions and recommendations for extending the service life without deteriorating the safe operation of the hazardous production facility.
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