| 摘要 |
A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPCH comprises an upper body (102) and a lower body (104). The rapid engagement mechanism allows the upper body (102) to be quickly disengaged from the lower body (104) and replaced with a new upper body (102). The upper body (102) comprises a sealing element (110) and an inner housing (106) that rotates with respect to an outer housing (108). The sealing element (110) contains a plurality of internal cavities (111). The plurality of cavities control the constriction of the sealing element (110) around the drill pipe. |
