Subsea 7 gets subsea installation gig on Chevron’s St. Malo

Subsea 7 has been awarded a sizeable contract by Chevron for the subsea installation services at the St. Malo field, located in the Walker Ridge area of the Gulf of Mexico.

St. Malo platform; Source: Chevron

The St. Malo field is approximately 250 miles south of New Orleans. It has an estimated remaining production life of 30 years.

Announcing the contract award on Friday, Subsea 7 said that its scope of work includes project management, engineering, procurement, construction and installation of the multiphase pump system at the St. Malo field, a 14-mile water injection flowline system, inclusive of a Swagelining polymer lined flowline, and the water injection control system.

Project management and engineering will start immediately at Subsea 7’s offices in Houston, Texas. Fabrication of the water injection flowline and riser will take place at Subsea 7’s spool base in Ingleside, Texas, with offshore operations occurring in 2021.

Craig Broussard, Vice President for Subsea 7 US, said, “The St. Malo multiphase pump system and water injection projects award is an important win for the Gulf of Mexico region. It combines the utilization of our newest pipelay vessel, the Seven Vega, along with Subsea 7’s proven project execution capabilities and Swagelining’s polymer lining technology.

“In addition, the combination of the SURF scope for Subsea 7 and ongoing subsea equipment delivery by OneSubsea, will allow the Subsea Integration Alliance to work in collaboration with Chevron to unlock the value of an integrated approach to project optimization.”

Chevron in September sanctioned a waterflood project in the St. Malo field. This application of enabling technology is expected to increase the recovery from the field.


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