McDermott International Ltd announced the completion of the KG-D6 R Cluster subsea field development project in addition to achieving the pre-commissioning in the Krishna Godavari Basin located at the East Coast of India, according to a press release.
Ian Prescott, McDermott’s Senior Vice President, Asia Pacific, said that “The safe and successful completion of Reliance’s KG-D6 R Cluster project is a testament to McDermott’s subsea experience in the Bay of Bengal.”
“Pre-commissioning and ready for startup [were] achieved despite difficult circumstances—two severe cyclones during the first campaign and, in the second, navigating the challenging conditions of COVID-19. It is an outstanding achievement and demonstrates McDermott’s commitment to reliable execution,” Prescott added.
For the KG-D6 R Cluster project, McDermott built a yard facility in India for the fabrication of risers, jumpers and marine logistics support through two offshore campaigns. During the first campaign, the DLV 2000 completed McDermott’s first piggy-back pipelay in S-lay mode (18-inch plus a four-inch) in 4,265 feet (1,300 meters) water depth. It also included the installation of the first ever ultra-deepwater structure, weighing 343 tons for the DLV 2000. Several six-inch pipelines, PLETs and manifolds were installed in water depths up to 6,447 feet (1,965 meters). In addition, McDermott installed India’s longest dual riser.
The second campaign included installation of manifolds, manifold piles, flowlines, PLETs (S-mode and J-mode), in-line structures, jumpers and umbilicals in ultra-deepwater depths, together with major brownfield modifications to Reliance’s control and riser platform. Successful flowline and umbilical installation were completed in 6,561 feet (over 2,000 meters) water depth using McDermott vessels: DLV 2000; Lay Vessel 108; North Ocean 102.