The new build 5th generation semi-submersible Noble Clyde Boudreaux was contracted by Shell to begin development drilling operations using preset moorings in multiple pattern locations in Alaminos Canyon Block 857 in 9,000+ feet. The mooring systems consist of high-strength polyester mooring rope, connected to vertically loaded anchors (VLAs).
The rig is initially connected to 16 preset polyester mooring lines attached to the seafloor using 10,000' of 7 3/8" polyester mooring ropes and 2,000' of 4" steel wire rope. The polyester/steel wire rope systems are connected to the VLAs via the patented Delmar Subsea Connector, permitting easy connect/disconnect functions as the rig moves between multiple Alaminos Canyon field locations. The lighter weight mooring rope is essential to increasing the rig's variable deck load, a major consideration in safely and efficiently mooring a rig in these ultra-deepwaters.
"This was a massive amount of equipment sourced from suppliers around the world, delivered on time and within budget. The ability to moor conventional semis in these waters and beyond has been non-existent until Shell and Delmar fully developed and tested this technology. Shell, working closely with Delmar's technical and operational teams, played a major role in making this a success in achieving this milestone in ultra-deepwater," said Brady Como, Delmar's Executive Vice President.
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