Patent ID: 8739882
Filing Date: 2014-06-03
Classification: E21B,F28D,F28F

Abstract:
1. A subsea cooling unit comprising: a piping arrangement which includes a fluid inlet for a fluid stream produced from one or more subsea wells, a fluid outlet for the fluid stream, and a number of coils which are connected between the fluid inlet and the fluid outlet; a duct in which the coils are housed, the duct being submerged in the sea and including a duct inlet and a duct outlet which are submerged in the sea such that the coils are also submerged in the sea; means for generating a flow of seawater past the coils, said means including a propeller which is located in the duct and is rotated by an actuator; wherein as the fluid stream flows through the coils the seawater flows through the duct and over the coils to cool the fluid stream.