发明名称 DOWNHOLE BYPASS VALVE
摘要 A fluid flow actuated downhole tool is configurable in at least a first tool configuration and a second tool configuration. The tool compris es a tubular housing and an activating sleeve, the housing being adapted to cat ch the sleeve when the sleeve is dropped from surface and the engagement of the sleeve with the housing permitting actuation of the tool between the first a nd second tool configurations. A flow restriction is provided for permitting fluid flow actuation of the tool when the activating sleeve has been caught in the body.
申请公布号 CA2381360(C) 申请公布日期 2008.06.10
申请号 CA20002381360 申请日期 2000.07.14
申请人 CHURCHILL, ANDREW PHILIP 发明人 CHURCHILL, ANDREW PHILIP
分类号 E21B21/10;E21B23/00;E21B34/08 主分类号 E21B21/10
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