ROTATING PRESSURE CONTROL HEAD

摘要

A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPC comprises an upper body (102) and a lower body (104). The rapid engagement mechanism (121, 118) allows the upper body to be quickly disengaged from the lower body and replaced with a new upper body. The upper body comprises a sealing element (110) and an inner housing that rotates with respect to an outer housing. The sealing element contains a plurality of internal cavities (111). The plurality of cavities control the constriction of the sealing element around the drill pipe.