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 wellbo re 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 a nd maintain the tool at the desired depth.
申请公布号 CA2550480(A1) 申请公布日期 2006.12.20
申请号 CA20062550480 申请日期 2006.06.19
申请人 SCHLUMBERGER CANADA LIMITED 发明人 LOVELL, JOHN R.;ESPINOSA, FRANK;HLESTOV, IVAN;MILLER, CHARLES;GAY, MICHAEL G.
分类号 E21B17/20;E21B19/22;E21B41/00;E21B47/04 主分类号 E21B17/20
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