Oceaneering conducts Freedom AUV pipeline inspection pilot for TotalEnergies

TotalEnergies and Oceaneering International, Inc. announced that the Freedom™ autonomous underwater vehicle (AUV) has completed a pipeline inspection industrial pilot, demonstrating its capabilities for sustainable commercial pipeline inspection missions.

The capabilities observed during the pilot delivered on the ambition of TotalEnergies to reduce the environmental impact while assuring the integrity of sub-marine pipelines, contributing to TotalEnergies ambition to be Net Zero by 2050, together with society. The application of the technology represents a reduction in time, and emissions, of an estimated 50% compared to existing methods with equivalent quality of the inspection and opportunity to exceed data quality provision through continuous improvement.

The North Sea pilot for TotalEnergies resulted in an inspection of over 120km of sub-marine pipelines, to add to 60km of near-shore pipelines inspected during an earlier demonstration for TotalEnergies. Freedom™ demonstrated its ability to detect and track the pipeline while maintaining a defined flight envelope above the pipe. Utilizing the onboard adaptive behaviors, developed to provide additional insights into subsea features, Freedom™ demonstrated that it is capable of performing high quality operations, with the required data gathered in a single pass of the pipelines.

The onboard autonomous capabilities, together with high specification instruments – including a laser scanning system and multibeam sonar technology – result in a detailed external inspection of subsea pipeline features. Autonomous pipeline tracking capability ensures Freedom™ remained directly above the pipeline at low altitudes, providing a detailed external view of the pipelines and the surrounding seafloor.

On completion of the pipeline inspection missions, onboard automated data processing allowed the assessment of the mission effectiveness and the confirmation of pipeline condition in collaboration with TotalEnergies. Freedom™ provides high quality data sets at a significantly increased speed compared with legacy ROV pipeline inspection methods.

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