| 摘要 |
A method and device for closing a well (1) in a formation (2) in the ground in which casing (4, 6, 8) is arranged, the method including: - moving a cutting tool (20) down into the well (1); - removing a longitudinal portion (46) of the casing (4, 6, 8) by cutting the longitudinal portion (46) into pipe wall pieces (44); - removing the cutting tool (20); and - setting a plug (48) against the formation (2) in the longitudinal portion (46) from which the casing (4, 6, 8) has been removed. |
