Maintenance & Reliability

Eneos plans to shut Marifu CDU in mid-January for maintenance

The refiner, a unit of Eneos Holdings, restarted the 172,100-bpd No. 2 CDU at its Kawasaki refinery near Tokyo on November 21 after it had been shut since August 16 for a planned turnaround.

Asia refinery 2025–2026 maintenance/outages

The table lists planned and unplanned refinery shutdowns for 2025 and 2026 compiled through a survey of Asian oil refiners and market sources.

Digital Exclusive: Root cause analysis on hydrochloric acid corrosion in a diesel hydrotreater unit

HF Sinclair forecasts lower CAPEX in 2026 on reduced maintenance costs

U.S. refiners have been focusing on maintenance activities after operating at breakneck capacity in 2022 following supply shortages stemming from Russia's invasion of Ukraine.

Aster to carry out further upgrades at Singapore Bukom refinery

The plans include a previously announced project to spend $75 MM to revitalize its condensate splitter unit which it acquired in June, and $71 MM on its lube oil complex to produce higher-value base oils.

Valero plans CDU upgrades at Port Arthur, Texas (U.S.) refinery in February

Among the improvements will be upgrades to processing of bottoms - heavy, gunky residual crude oil that is usually sent to the coker or used in asphalt.

Update: bp Olympic Pipeline begins restart process after completing repairs

The Olympic Pipeline moves refined petroleum products including gasoline, diesel and jet fuel from northern Washington to Oregon and consists of one 16-in. diameter pipeline and one 20-in. pipeline.

Update: bp's Olympic Pipeline shutdown hits airlines' fuel supply

The leak was first reported on November 11. bp restored one of the two pipelines east of Everett that had been shut to determine the source of some product discharge. The restored line was shut down again shortly afterward, halting refined product deliveries on the system.

Digital Exclusive: Mitigating structural resonance in an electric motor support: A field case study

Rotating equipment operating near structural natural frequencies is prone to resonance, resulting in elevated vibration levels and potential long-term damage. This article discusses a field case involving persistent axial vibration on an electric motor despite acceptable performance during decoupled workshop testing. The discrepancy prompted a full diagnostic investigation, including bump testing, modal analysis and structural reinforcement.

Update: bp crew excavates Olympic Pipeline, yet to find cause of leak

bp said on Friday its Olympic Pipeline crew excavated more than 100 ft (0.03 km) of pipeline following a leak earlier this month near Everett, Washington (U.S.), but have not yet identified the source of the leak.