| 摘要 |
The invention relates to a wellbore cleaning assembly, wellbore cleaning apparatus comprising a wellbore cleaning assembly, and to a method of cleaning a wellbore. In an embodiment of the invention, a wellbore cleaning assembly (10) is disclosed which is run into a wellbore (14) to be cleaned on a work string (20). The cleaning assembly (10) comprises a number of cleaning elements (24, 26, 28, 30) for cleaning a wall (22) of the wellbore (14); and an oscillator (36) coupled to the at least one cleaning element (24, 26, 28, 30), for generating an oscillating movement of the at least one cleaning element (24, 26, 28, 30) relative to the work string (20). |
