发明名称 DEPTH CONTROL IN COILED TUBING OPERATIONS
摘要 A depth control system for maintaining a tubing conveyed tool in a desired location in a cased wellbore during wellbore operations performed with the tool includes a bottom hole assembly carried by a tubing, the bottom hole assembly including a tool and an anchoring device. A method for maintaining a tool at a desired depth in a cased wellbore while performing wellbore operations with the tool includes the steps of conveying a tool and an anchoring device on a tubing to a desired depth in a wellbore having a casing, operating the tool to perform a wellbore operation and actuating the anchoring device to engage the casing and maintain the tool at the desired depth.
申请公布号 CA2550480(C) 申请公布日期 2011.09.20
申请号 CA20062550480 申请日期 2006.06.19
申请人 SCHLUMBERGER CANADA LIMITED 发明人 MILLER, CHARLES;HLESTOV, IVAN;ESPINOSA, FRANK;GAY, MICHAEL G.;LOVELL, JOHN R.
分类号 E21B17/20;E21B19/22;E21B41/00;E21B47/04 主分类号 E21B17/20
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