| 摘要 |
The present invention provides an apparatus and assembly for creating a seal in a wellbore around a cable or line. The assembly includes a longitudinal body and a swellable portion which comprises a material selected to increase in volume on exposure to at least one triggering fluid. The swellable portion has a formation open to the longitudinal surface which provides a pathway for a cable or line to extend through the swellable portion, and an insert of swellable material. In an embodiment of the invention, the insert partly or fully encloses or encapsulates the cable or line. An aspect of the invention is characterised by the provision of a formation which is open to an outer longitudinal surface of the body. |
