| 摘要 |
A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPCH comprises an upper body and a lower body. The rapid engagement mechanism 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 and an inner housing that rotates with respect to an outer housing. The sealing element contains a plurality of internal cavities. The plurality of cavities control the constriction of the sealing element around the drill pipe.
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