LOW PROFILE ROTATING CONTROL DEVICE

摘要

A system and method is provided for a low profile rotating control device (LP-RCD) and its housing mounted on or integral with an annular blowout preventer seal, casing, or other housing. The LP-RCD and LP-RCD housing can fit within a limited space available on drilling rigs.

主权项

1. A system for forming a borehole using a rotatable tubular, the system comprising:
a housing having a height and disposed above the borehole, said housing having a port; a bearing assembly having an inner member and an outer member and being positioned with said housing, one of said members rotatable with the tubular relative to the other said member and one of said members having a passage through which the tubular may extend; a seal having a height to sealably engage the rotatable tubular with said bearing assembly; a plurality of bearings disposed between said inner member and said outer member; a lower member above the borehole; and an attachment member for attaching said housing to said lower member.