发明名称 |
METHOD AND DEVICE FOR CLOSING A WELL IN THE GROUND |
摘要 |
A method and device for closing a well with a casing in a formation in the ground are provided. The method has the steps of moving a cutting tool down into the well; removing a longitudinal portion of the casing by cutting the longitudinal portion into pipe wall pieces; removing the cutting tool; and setting a plug against the formation in the longitudinal portion from which the casing has been removed. |
申请公布号 |
EP2499329(A1) |
申请公布日期 |
2012.09.19 |
申请号 |
EP20100830246 |
申请日期 |
2010.11.08 |
申请人 |
NORSE CUTTING & ABANDONMENT AS |
发明人 |
SOELVERSEN, SVEIN, H;LUND, PER |
分类号 |
E21B29/00;E21B29/06;E21B33/134;E21B43/114 |
主分类号 |
E21B29/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|