MODU Q4000 The Gulf of Mexico's premier deepwater well intervention vessel
The Q4000 entered service in the Gulf of Mexico in 2002 and has since built one of the most extensive well intervention track records of any vessel in the world.
Named for its 4,000 ton capacity deck, the Q4000 is a DP3 semisubmersible vessel purpose-built for well intervention and construction in water depths to 10,000 feet. Because of its stable design and unique open deck, the Q4000 is an optimal platform for a wide variety of tasks, including subsea completion, decommissioning and coiled tubing deployment.
Among the vessel’s notable features is its 600 ton multipurpose tower capable of fulfilling all traditional derrick roles, plus two cranes with lifting capacities to 360 tons. Q4000 also features an 11.9 m x 6.4 m moonpool, a 7-3/8" intervention riser system and a 3,000 m heavy weather ROV system.
Another unique advantage the Q4000 is its skid deck plan which allows for quick and efficient mobilization of project supplies and equipment on or off the vessel in a single lift. In 2008 the Q4000 was upgraded with a slimbore drilling system, further expanding well intervention and field development capabilities.