Subsea7 Wins LLOG Contract for Who Dat East Development in Gulf of Mexico

3 September 2026
Edited By: Haley McQueen

Subsea7 was awarded a sizeable contract from LLOG Exploration Company LLC (a subsidiary of Harbour Energy) for the Who Dat East development in the US Gulf. The project is located in lease MC 509-1, at a water depth of approximately 1,300 meters.

(Image credit: Subsea7)

The scope of work includes the fabrication, transportation, and installation of a 29-kilometer steel catenary riser and pipe-in-pipe to the Who Dat floating production system, as well as the installation of umbilical and subsea controls.

Project management and engineering will begin immediately at Subsea7’s office in Houston, Texas, with offshore activities expected to start in 2028.

Craig Broussard, Senior Vice President for Subsea7 US, said: “We are proud of our longstanding relationship with LLOG, and our shared commitment to creating greater value from their US developments. We look forward to continuing our collaboration and supporting LLOG’s ongoing success across the region.”

Subsea7 defines a sizeable contract as being between $50 million and $150 million.