September 2003

Special Report: Refining Developments

Optimize revamp projects with a logic-based approach

Retrofitting processing units pose many obstacles. Test-run evaluations uncover limitations from existing infrastructures that can derail project goals

Golden, S., Nigg, J., Process Consulting Services, Inc.; Moore, J., Petro-Canada Products

Retrofit projects are unique challenges. Conventional grass roots projects focus on efficient scheduling that demands sequential work activities (Fig. 1). However, revamp projects are not blank sheets. Existing infrastructures impose limitations on new processing capacities and operating conditions, which can hinder expansion goals.  Fig. 1   Conventional project execution - linear approach.

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