Presented on 20 May 2026: Session 11 This extended abstract presents a practitioner-focused, maintenance-led approach for post-acquisition operations transformation in mature offshore upstream assets. Rather than starting with optimisation, the approach establishes minimum governance controls such as Computerised Maintenance Management System structure, planning cadence, performance reporting and change control to create a defensible baseline for risk-based decisions. A second phase then applies targeted criticality, maintenance strategy and spares policy optimisation supported by analytics, artificial intelligence and multidisciplinary engineering validation. The approach was delivered by an Australian-based team supporting a Southeast Asian offshore portfolio following acquisition. The implementation reduced planned maintenance effort by approximately 25%, reduced outsourced specialist maintenance by approximately 12%, and reduced inventory holdings for in-scope materials by approximately 12% (safety-critical) and 30% (production-critical), with payback achieved within 5 to 6 months. The key contribution is a repeatable sequence, method and practical implementation considerations that can be applied to similar late-life and post-acquisition assets. To access the Oral Presentation click ‘Supplementary data’ below. To read the full paper click here
Anton Cuschieri (Thu,) studied this question.
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