Patent ID: 9447656
Filing Date: 2016-09-20
CPC Classification: E21B,F28F

Claim Text:
1. A system having a blowout preventer (BOP) heat exchange unit comprising: an outer plate, an opposing inner plate, and a gap between the outer plate and the inner plate, the inner plate having a thermal conductivity at 68° F. of at least 7 BTU/(hr-° F.-ft) (12 W/(m-K)); a hollow exchange tube separate from the outer plate and the inner plate and arranged in a serpentine form in the gap between the outer plate and the inner plate; a heat spreading material in the gap between the exchange tube and the inner plate; a control opening through the outer plate, the inner plate, and the heat spreading material, the control opening being configured to expose a BOP control port; the outer plate, the exchange tube, the heat spreading material, and the inner plate being fastened together to form the exchange unit separate from a BOP; and the exchange unit lacking any electrical component.