HMEL Integrates IT and OT Systems Using SAP MII for Refinery Operations

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HMEL Integrates IT and OT Systems Using SAP MII for Refinery Operations

Case study of HMEL replacing IBM integration tools with SAP MII to connect refinery control systems, MES, and SAP ERP for real-time KPI visibility.

Published

June 4, 2026

Read time

3 min read

Source

SAP

HMEL implemented SAP Manufacturing Integration and Intelligence to replace its prior IBM integration layer and connect more than 13 refinery applications including DCS, SCADA, MES, and SAP ERP. The architecture created unified workflows across five layers, delivering role-based dashboards with live KPIs, events, and alerts. Results included reduced IT maintenance costs, higher productivity, and standardized processes across the Bhatinda refinery.

Key takeaways

SAP MII replaced IBM integration tools to connect 13+ refinery systems

Real-time dashboards provide role-based KPI visibility from shop floor to top floor

1,270 tank parameters integrated for automated inventory-level reporting

IT maintenance costs reduced by approximately $200,000 annually

Over 250 KPIs updated near real time for faster operational decisions

Market overview

SCR methodology note

Vendor landscape

Leaders

Implementation considerations

Important consideration

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