| 摘要 |
A system for sampling a drilling fluid exiting the wellbore in a portion of a flowline (25) having a substantially closed section, comprising: - a first portion (80) connected in the closed-section portion of the flowline, comprising a closing device (88) movable between an open position in which the first portion defines a fluid passage between the outside and the closed-section portion of the flowline and a closed position in which the device closes the fluid passage; - a second portion (90) configured to be inserted in the first portion, with the closing device in open position, defining a fluid passage between the outside and the closed-section portion of the flowline; - a retaining device (106, 104) for fixing the second portion relative to the first portion. |
