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How an independent refiner migrated 85+ SAP PI/PO interfaces to the cloud

A leading independent US petroleum refiner and marketer migrated 85+ interfaces from SAP PI/PO to SAP Integration Suite on SAP BTP. The project introduced an API-based architecture and real-time data exchange across refinery and supply chain systems, and reduced integration maintenance effort by 40%.

Organization
A leading independent US petroleum refiner and marketer (5,000+ employees, US South)
Industry
Oil and gas refining and marketing
Size
5,000+ employees
Region
US South
Project type
PI/PO to Integration Suite Migration, API Management Strategy, Integration Strategy and Architecture
SAP technology
SAP Integration Suite, SAP Cloud Integration, SAP Process Orchestration, SAP BTP, SAP ECC
Other technology
REST APIs, EDI system

The challenge

The refiner ran its integrations on an on-premise SAP PI/PO platform that limited scalability and cloud adoption and carried a high maintenance burden. Batch-based processing and the lack of real-time data exchange across refinery and logistics systems delayed critical business operations.

Results

85+
Interfaces migrated to SAP Integration Suite
40%
Reduction in integration maintenance effort
10 months
Migration duration with a 5-member team

Questions

How many interfaces were migrated from SAP PI/PO?

More than 85 interfaces were migrated from SAP PI/PO to SAP Integration Suite. The work was delivered in 10 months by a 5-member team and covered both SAP and non-SAP connections, including ECC, REST APIs and an EDI system.

What business results did the refiner achieve?

Integration maintenance effort fell by 40%. The company also gained real-time visibility across refinery and supply chain systems, lower operational complexity, and better performance and scalability than the batch-based PI/PO setup.

What did the new integration architecture include?

It was an API-based architecture for SAP and non-SAP systems on SAP BTP. It came with a migration roadmap, monitoring, logging and governance, and reusable integration assets that support future growth.

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