| 摘要 |
<p>An apparatus (1) for preparing and lubricating an internal threaded portion (21) in the box (20) of a drill pipe (2), the apparatus (1) being provided with a collar (61) arranged to rest against an upper edge portion (22) of the box (20), the collar (61) being provided with a through bore (610) for a displaceable tool (6) arranged to be moved projectingly into the box (20), the displaceable tool (6) being provided with at least one first channel (63) which is in communication, in terms of fluid, with a preparation-fluid reservoir (593) or a lubricant reservoir (595), and the tool (6) further being provided with one second channel (67) which is in communication, in terms of fluid, with a receiving reservoir (597).</p> |
