发明名称 Expanding well tools
摘要 Methods of expanding well tools, which permit operation of the well tools after expansion, are provided. In a described example, a cementing tool includes a valve and a packer. After the cementing tool is expanded, the valve is selectively opened and closed, and the packer is sealingly engaged in a wellbore.
申请公布号 US2005039916(A1) 申请公布日期 2005.02.24
申请号 US20040957991 申请日期 2004.10.04
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 SCHULTZ ROGER L.;HAMID SYED;BECK HAROLD KENT
分类号 E21B33/14;E21B43/10;(IPC1-7):E21B33/13;E21B23/00 主分类号 E21B33/14
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