Saipem’s underwater intervention drone Hydrone-R, currently operating on Equinor's Njord Field development project offshore Norway, has achieved the milestone for continuous subsea residency of 167 days.The project, for which Saipem’s Hydrone-R is deployed, is part of a 10-year contract signed in 2019 with Equinor.The drone is tasked to carry out inspections and interventions on subsea assets, thus…