发明名称 WIRELINE RUN FRACTURE ISOLATION SLEEVE AND PLUG AND METHOD OF OPERATING SAME
摘要 An isolation sleeve (30) and plug assembly (32) that may be used to protect a wellhead assembly (10) from being damaged by high-pressure wellbore fracturing operations. Both the isolation sleeve (30) and plug (32) may be installed by the same running tool (82), and may be installed by lowering the running tool (82) through an isolation valve (26) on the wellbore.
申请公布号 CA2695329(A1) 申请公布日期 2010.09.13
申请号 CA20102695329 申请日期 2010.03.04
申请人 VETCO GRAY INC. 发明人 JENNINGS, CHARLES E.
分类号 E21B33/068;E21B34/02;E21B43/26 主分类号 E21B33/068
代理机构 代理人
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