发明名称 Running tool.
摘要 <p>A running tool for lowering, landing and setting a well structure, such as a hanger and an annular seal for sealing between the exterior of the hanger and the interior of the well in which the well structure is landed including a mandrel (22) having means for connecting to a running string, a tool body (26) surrounding and carried by the mandrel and having a plurality of windows (32) in its lower portion in which latch element (30) are carried, an actuator sleeve (28) surrounding the mandrel and positioned within the tool body and being free to move axially thereof to engage the latching elements to move them into latching engagement with the interior of the well (16) in the landing position, means for releasably limiting the downward movement of the mandrel with respect to said actuating ring, means (34) limiting the downward movement of the actuating ring with respect to said tool body, and means (38) supported on the mandrel and tool body for carrying an annular seal (18), setting the annular seal in the annulus between the well structure and the interior of the well and latching the annular seal in its set position.</p>
申请公布号 EP0343298(A2) 申请公布日期 1989.11.29
申请号 EP19880311105 申请日期 1988.11.24
申请人 CAMERON IRON WORKS USA, INC. (A DELAWARE CORP.) 发明人 THEISS, DAVID H.
分类号 E21B33/04 主分类号 E21B33/04
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