Abstract:

The ageing of the Algerian oil and gas (O&G) installations has led to many incidents. Such installations are over 30
years old (life cycle) and still in operation. To deal with this O&G crucial problem, the Algerian authorities have
launched a rehabilitation and modernization schedule of these installations. Within the framework of this program,
many audit operations are initiated to elaborate a general diagnosis of the works to be performed while optimizing
production. In other words, industrial ageing risks shall be controlled. In the process safety management (PSM)
context, the aim of this paper is to study ageing problem of the Algerian industrial installations through proposed
indicators. Their prioritization adjusted by TOPSIS method which allows identification of ageing control solutions of
Algerian onshore fields.

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