Gas Pipeline Excavation

The Project

JBS undertook a contract aboard the Seven Arctic offshore Denmark for post excavation operations at Tyra. The project involved assisting the client in excavating areas over 8’, 12’ and 26’ gas pipelines and facilitate morgrip installation below the natural seabed.

The Challenge

The project faced the challenge of excavating and clearing areas around gas pipelines to provide safe access for diver operations. Close communication and collaboration with the vessel bridge and DP officers were crucial for the project. The excavation required precision, as such a test run was conducted to ensure Sea Axe’s performance in comparable conditions. The project also included clearing an area for an ROV to fit a clamp around the 12’ line, adding an additional layer of complexity.

The Solution

Sea Axe with its power, enhanced stability and inner vortex chamber, proved effective in concentrating the water column accurately above the target areas during excavation. It demonstrated successful and safe clearance of all designated areas, meeting client specifications.