发明名称 Flush mounted spider
摘要 A gripping apparatus (100) for supporting a tubular is described. The gripping apparatus comprises a housing (10) having a longitudinal opening extending therethrough, one or more gripping members (20) movable in the housing to grip the tubular and a cover assembly (15) selectively attachable to the housing, wherein the cover assembly is adapted to center the tubular.
申请公布号 EP1983152(B1) 申请公布日期 2017.01.18
申请号 EP20080012836 申请日期 2003.07.22
申请人 Weatherford Technology Holdings, LLC 发明人 Shahin, David;Heidecke, Karsten
分类号 E21B19/10;E21B19/24 主分类号 E21B19/10
代理机构 代理人
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