| 摘要 |
A segmented seat adapted to be placed in subterranean wellbore equipment and engaged by an obturator. The segmented seat includes an annular body that is radially divided into a plurality of separate segments, the annular body defining a central bore extending axially therethrough, a generally cylindrical outer wall, and an end wall; an annular seat formed on the end wall and extending about the central bore of the annular body, the annular seat being of a size and shape to engage the obturator; at least one recess formed into each of the segments and offset from the outer wall of the annular body so that at least a portion of the annular body is located radially between the outer wall and the recess; and a non-metallic material disposed within the recess and joining adjacent segments together. In an exemplary embodiment,? |
