| 摘要 |
<p>A liner hanger assembly comprises a tool mandrel 104 suspended on a running string, and a slip assembly 120 for engaging a casing to support the liner hanger assembly and liner from the casing. The release assembly 175 releases the set liner hanger from portions of the assembly to be retrieved to the surface. As cementing bushing 130 is releasable and reinsertable into the liner, and includes a circumferential loading ring 226.</p> |
