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Migration

Pipeline Control System Migration

A pipeline operator needed to move off a legacy OASyS control platform onto a modern AVEVA stack without interrupting continuous operations. The work centered on a phased cutover engineered to keep risk contained at every step.

Role
Migration lead
Sector
Pipeline
Focus
Control migration
Scope
Continuous ops

The challenge

Pipeline control cannot simply be switched off for a migration, so the cutover had to protect live operations throughout.

Thousands of points had to move without silent drift between the old and new systems.

The approach

  • Built a point-by-point migration plan with explicit validation at each stage.
  • Ran the new system in parallel with the legacy platform to compare behavior before cutover.
  • Phased the transition so each segment was proven before the next began.
  • Kept a tested rollback path available at every step.

The outcome

  • A controlled migration that protected continuous pipeline operations.
  • Validated parity between old and new before any segment went live.
  • A modern AVEVA platform in place with the legacy system retired cleanly.

Stack

OASySAVEVADNP3SQL ServerModbus
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