OneSubsea installs subsea boosters in Gulf of Mexico

  • Equipment

OneSubsea, as of this week a Schlumberger company, has commissioned and started up subsea boosting systems installed in ultradeep waters, located in the Gulf of Mexico.

“We strive to deliver the solutions that help customers reduce costs while increasing recovery from the reservoir, and in this case, our subsea boosting technology is enabling the customer to optimize production from one of the world’s deepest subsea reservoirs,” said Mike Garding, president, OneSubsea, Schlumberger.

Installed in depths of approximately 7,000 ft (2,100 m), the subsea boosting systems consist of three retrievable 3.0 MW single-phase pump modules, which are landed in their pump stations, along with the subsea controls and power distribution system. Located topside is the associated pump control and instrumentation equipment with the variable speed drive and step-up transformer delivering power to the subsea equipment.

The company did not say who the customer was, but said the client had stated that by reducing the back-pressure on the reservoir, the boosting pumps have the potential to improve the recovery factor by 10% to 30%. This, OneSubsea says, translates to between 50 and 150 million barrels of additional oil recovery resulting from this leading-edge subsea boosting technology.

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