Proceanic, Ltd. Of Houston, TX carried out the completion of an ROV survey of the ConocoPhillips Tarsiut Caissons located offshore Herschel Island, Yukon Territories, Canada. This inspection was completed using a VideoRay PRO4 ROV fitted with a BlueView 2D Scanning Sonar.
The scope of the inspection included: survey of seabed anomalies, survey of general seabed around caissons, survey of exterior underwater and interior portions of the caissons, and assist with the lightship survey.
- Survey the seabed around caissons to ensure safe to move
- General visual inspection (GVI), external underwater areas of caissons
- Perform general visual inspection of internal caisson structure and measure mud heights in each tank
- Assist in taking draft readings of caissons for lightship weight survey