发明名称 SAFETY DEVICE FOR RETRIEVING COMPONENT WITHIN WELLHEAD
摘要 A system is provided that include a safety device (150) configured to mount in a mineral extraction system (10) and block axial movement of a plug (102) in the mineral extraction system while the plug is released from a retainer. A method is provided that includes installing a plug safety catch into a tubular of a mineral extraction system in which the plug safety catch is configured to block axial movement of a plug in response to a pressure differential while the plug is released from a mount position.
申请公布号 CA2707516(A1) 申请公布日期 2009.06.25
申请号 CA20082707516 申请日期 2008.11.13
申请人 CAMERON INTERNATIONAL CORPORATION 发明人 HARKINS, RANDALL DEAN;GUIDRY, KIRK PAUL;TAYLOR, THOMAS EDGAR
分类号 E21B33/02;E21B33/03 主分类号 E21B33/02
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