This document provides guidance for the performance of a production availability study of oil and gas system(s). It deals with:
• The general methodology
• The data used in the study
• The availability modelling and calculations
• The reporting.
It aims at providing, to the COMPANY and the performer:
• A common background for the performance of such studies
• A guidance for the structure of the study and the reporting formats.
A detailed scope of work must be drafted for any particular study, it will define namely:
• The objective of the study and its context
• The boundaries of the system(s) under study
• The expected level of details of the study
• The keys parameters to evaluate.
In practice, the performance of the study requires complementary competence from the performer of the study and from the COMPANY. It is then useful to define in the scope of work the hold points which require a formal validation. They are namely:
• The functional description
• The set of data used in the study
• The availability model(s).