Enterprise Independence Hub

In 2007, the industry’s first DeepDraft Semi® was installed in a world record 8,000 ft of water on the Independence Hub project in the Gulf of Mexico. This facility is equipped to process gas from 10 anchor fields with excess payload capacity to tie back as many as 10 additional fields.

Field Facts
Location	Mississippi Canyon, Block 920
Water Depth:	8,000 ft
Processing Pipeline:	Spec gas
Gas throughput:	1 bcfd
Condensate throughput:	5,000 bpd
Produced water throughput:	2,960 bwpd
# of production fields (subsea):	9
Production Risers:	12 10-in SCRs, 4 8-in SCRs
Control Umbilicals:	12
Gas Export:	20-in SCR
DeepDraft Semi® Specifications
Payload (deck/facilities/risers):	13,800 tons
Displacement:	45,800 tons
Mooring:	12-leg mooring system, 9-in polyester rope
Hull dimensions:	232 ft x 232 ft x 170 ft
Hull Column dimensions:	46 ft x 46 ft
Draft:	105 ft
Pontoon dimensions:	38 ft x 26 ft
Design Life:	20 yrs
Classification:	ABS classed and certified
Topsides Specifications
Operating Weight (deck/facilities):	10,250 tons
Deck Dimensions:	140 by 220 ft (2 levels)
Quarters:	16 occupants + 12 temporary
Helideck:	Bell 214
Schedule Milestones
Project Award:	July 2004
Platform Installation:	2006
First Gas:	2007