KG-D6 (phase 2) development

General information

Client McDermott  
Project KG-D6 (phase 2) development 
Year 2019 
Location Bay of Bengal (India) 
Vessels Audacia 
Max. water depth 1925 m (6315 ft)

Scope of work

  • Recovery of 18-inch pipeline at 1300 m water depth
  • Installation of 26 km 18-inch pipeline, piggybacked with 4-inch vent line, and pipeline end structure (PLET)
  • Fabrication of a laydown and A&R heads, and friction and anti-rotation clamps
  • Client interface on piggyback block design, J-mode PLET design and laydown head design

Project specials

  • World record water depth (1925 m) for installation of a piggyback pipeline in combination with a PLET
  • Area known for very strong currents (surface current can exceed 3 knots), impacting workability for transfer of pipe from pipe supply vessels

Pipe characteristics

26 km / 16 miles 18 26.4 / 28.6 450 SAWL
26 km / 16 miles 4 10.3 450 SMLS