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.
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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 |
代理机构 |
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