The digital transformation of the upstream industry continues apace, with significant investment and adoption of technologies like AI, IoT, and digital twins to improve efficiency, reduce costs, and enhance safety. The range of applications covers a broad spectrum of operations, including drillships and land rigs, FPSOs, well interventions, connectivity and automation in wellsite (production) operations, flexible control systems, and the CygNet system for supervisory control and data acquisition. This e-book contains a selection of articles that represent these significant equipment items and techniques.