发明名称 On/off tool running and well completion method and assembly
摘要 An on/off tool running and well completion method includes deploying a packer in a well bore; providing an assembly having an on/off tool and a tool spacer sleeve carried by the on/off tool; providing a tubing string; coupling the on/off tool of the assembly to the tubing string; inserting the assembly and the tubing string in the well bore; irrigating the packer by circulating packer fluid through the well bore, the assembly and the tubing string to clean the packer; determining a depth of the packer in the well bore; and latching the on/off tool of the assembly to the packer once.
申请公布号 US9151127(B1) 申请公布日期 2015.10.06
申请号 US201113374403 申请日期 2011.12.27
申请人 发明人 Branton Christopher A.
分类号 E21B23/02;E21B23/00 主分类号 E21B23/02
代理机构 代理人 Harrison R. Keith
主权项 1. An on/off tool running and well completion method, comprising: deploying a packer in a well bore; providing an assembly having an on/off tool and a tool spacer sleeve carried by said on/off tool; providing a tubing string; coupling said on/off tool of said assembly to said tubing string; inserting said assembly and said tubing string in said well bore until said tool spacer sleeve tags said packer; irrigating said packer by circulating packer fluid through said well bore, said assembly and said tubing string to clean said packer as said tool spacer sleeve remains attached to said on/off tool; removing said tool spacer sleeve from said packer; calculating a length of the tubing string required to land said on/off tool on said packer; inserting said assembly and said tubing string in said well bore until said tool spacer sleeve lands on said packer; and latching said on/off tool of said assembly to said packer once by pressurizing said tubing string, detaching said tool spacer sleeve from said on/off tool, displacing said on/off tool through the tool spacer sleeve and landing said on/off tool onto said packer.
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