发明名称 Method and system for abandoning a borehole
摘要 A method of abandoning a borehole includes, running a tool into the borehole, cutting a casing with a first portion of the tool, reaming the borehole in an area where the casing has been cut with a second portion of the tool, disconnecting a drillstring from the tool, and cementing the borehole through the drillstring.
申请公布号 GB2520835(B) 申请公布日期 2017.03.29
申请号 GB20140019713 申请日期 2012.06.01
申请人 Baker Hughes Incorporated 发明人 Paul L Connell;Erik Vilhelm Nordenstam
分类号 E21B29/00;E21B7/28;E21B33/13 主分类号 E21B29/00
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