| 摘要 |
<p>A casing hanger (300) for installation of a casing in a wellhead, and a method of fabricating a casing hanger are provided. The casing hanger comprising a slip bowl (306) defining a hollow centre portion; a plurality of slip segments (302) disposed within the hollow centre portion of the slip bowl and movable relative to the slip bowl for suspending the casing in the wellhead; a packing layer (308) disposed below the slip bowl; and a lower plate (310) disposed below the packing layer and coupled to the slip bowl for holding the packing layer (308); wherein the slip bowl comprises a plurality of recesses (402) on a bottom surface, and the packing layer (308) is configured to allow a plurality of protrusions (603) from the lower plate (310) corresponding to said recesses to pass through.</p> |
