HOUSTON, Sept 27 (Reuters) - Activist investor Elliott

Investment Management on Friday was selected as the winner of a

US court auction of shares in the parent of oil refiner Citgo

Petroleum, a court filing showed.

The company's bid, submitted under the name of Amber Energy,

puts an enterprise value on Citgo up to $7.286 billion, court

officer Robert Pincus wrote in a filing with U.S. District Court

in Delaware. The bid is subject to adjustments which were not

disclosed.