| 摘要 |
A line diverter unit for use with a sand line in a drill pipe comprising a body threaded for attachment to a drill pipe elevator and a pair of pulleys arranged to guide a sand line into a bore through the body and then into the drill pipe, one of the pulleys being mounted on a collapsible linkage so that, in use, the pulley is located away from the drill pipe axis and clear of fouling engagement with any mechanism associated with the drill pipe and its support. |
