| 摘要 |
<p>A system for use in down hole operations, the system comprising a wellhead (11); a BOP ram package (17) connected at one end to the wellhead and having an axial bore (20) extending from the wellhead to the other end; a device above the other end of the BOP ram package for isolating the pressure of the wellhead; a fluid take-off (70) between the pressure containing means and the BOP ram package; a separator (16), which may be a centrifugal toroidal separator (19), in communication with the fluid take-off such that, in use, a multi-phase medium obtained from the well can be separated into its constituent phases; and a pressure control device, which may comprise a pump (55,58), on each of one or more outlets from the separator for allowing the system to be operated different wellhead pressures. <IMAGE> <IMAGE></p> |
