The March/April 2026 issue of Oilfield Technology focuses on how the upstream sector is adapting to ageing assets, evolving standards, and increasing pressure to operate more efficiently and sustainably, with a strong thread around decommissioning, lifecycle management, and integrity. It highlights updates to API guidance for reassessing and extending dynamic riser life, explores decommissioning through a waste management lens, and examines the growing intensity of UK decommissioning activity.