发明名称 INTERLOCKING SEGMENTED SEAT FOR DOWNHOLE WELLBORE TOOLS
摘要 Disclosed herein is a segmented seat for use in wellbore servicing systems, comprising an annular-shaped seat with an upward facing surface for receiving an obturator, the seat defining a central passageway. The segments are locked together at their faces by protrusions and matching recesses.
申请公布号 US2015354319(A1) 申请公布日期 2015.12.10
申请号 US201514832378 申请日期 2015.08.21
申请人 Halliburton Energy Services, Inc. 发明人 Pacey Kendall Lee
分类号 E21B34/12;E21B41/00 主分类号 E21B34/12
代理机构 代理人
主权项 1. A segmented seat adapted to be placed in subterranean wellbore equipment and engaged by an obturator, the segmented seat comprising: an annular body radially divided into a plurality of separate segments with radially-extending adjacent faces, the annular body comprising: a generally cylindrical outer wall;an inner bore extending axially through the annular body; andan annular seat formed on an end wall of the annular body and surrounding the inner bore, the annular seat being of a size and shape to engage the obturator; wherein each of the segments comprises a pair of the radially-extending faces, a recess being formed into one face and a protrusion extending from the other face; wherein the protrusion of each segment is of a size and shape to complementarily engage, and is positioned to extend within, the recess of the adjacent segment; and wherein the recess of each segment is offset from the outer wall so that at least a portion of the annular body is located radially between the outer wall and the recess.
地址 Houston TX US