发明名称 |
METHOD OF ABANDONING A WELL |
摘要 |
The invention provides a method of determining the condition of a cement bond of a casing in a wellbore. The method comprises perforating a tubing in the wellbore at a zone of interest and displacing a settable composition through the perforations into the annulus between the casing and tubing to secure the tubing. The method also comprises cutting the tubing and assessing the status of the cement bond of the casing. |
申请公布号 |
WO2016156862(A2) |
申请公布日期 |
2016.10.06 |
申请号 |
WO2016GB50920 |
申请日期 |
2016.03.31 |
申请人 |
WARDLEY, Michael |
发明人 |
WARDLEY, Michael;TELFER, George;FAIRWEATHER, Alan |
分类号 |
E21B29/00;E21B33/13;E21B47/00 |
主分类号 |
E21B29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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