| 摘要 |
An apparatus for facilitating the connection of tubulars using a top drive, said apparatus comprising a motor (4,4') for rotating a tool (30) for drivingly engaging a tubular, and means (3) for connecting said motor (4,4') to said top drive, the apparatus being such that, in use, said motor (4,4') can rotate one tubular with respect to another to connect said tubular.
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