| 摘要 |
<p>A downhole packer (10) is provided for sealing an annulus between first tubing located within larger diameter second tubing. The packer comprises a mandrel (14) for coupling to the first tubing, the mandrel (14) having a wall defining a main through bore (16) and a plurality of smaller diameter through bores (16) for receiving control lines. The packer (10) is resettable, comprising a lost motion arrangement.</p> |
