发明名称 EXPANDABLE DOWNHOLE CASING COUPLING LOCATOR TOOL
摘要 <p>A downhole locator apparatus, including a tool body having a central axis defined therethrough, and at least one locator lug radially expandable from the tool body, in which the at least one locator lug is configured to be received in an annular groove formed in an inner surface of a casing string, in which the at least one locator lug is configured to move radially between a retracted position and an expanded position.</p>
申请公布号 WO2012154471(A1) 申请公布日期 2012.11.15
申请号 WO2012US36147 申请日期 2012.05.02
申请人 SMITH INTERNATIONAL INC.;BAIN, JAMES;FEARN, MURRAY;CRUICKSHANK, BRIAN;DEWEY, CHARLES;NAGARAJ, MAHAVIR 发明人 BAIN, JAMES;FEARN, MURRAY;CRUICKSHANK, BRIAN;DEWEY, CHARLES;NAGARAJ, MAHAVIR
分类号 E21B23/00;E21B23/14 主分类号 E21B23/00
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