BEARING ASSEMBLY COOLING METHODS

摘要

The disclosure relates to apparatus and methods for cooling a RCD at a wellbore including a bearing assembly configured for operating in the RCD. A fixed latch with a heat exchanger system and a volume of a cooling medium is configured for reducing heat proximate the bearing assembly, an inner member, and one or more seals between the bearing assembly and the inner member.

主权项

1. An apparatus for reducing heat in a pressure control device in a wellbore, comprising:
a fixed latch in the pressure control device, wherein an interior surface of the fixed latch defines one or more fluid passages; a heat exchanger system in fluid communication with the fluid passage; and a volume of cooling medium housed within the fixed latch and the heat exchanger system, wherein the volume of cooling medium is configured for removing and absorbing heat from the pressure control device.