| 摘要 |
A method and a device for securing a well during sluicing in of a well tool (12) wherein the method comprises: arranging a landing sleeve (2) provided with a barrier valve (1) in a well tubular (4) downstream of a subsurface safety valve (10); displacing the well tool (12) into the well tubular (4) until a braking nose (14) being connected to the well tool (12) is placed in the landing sleeve (2), and wherein the method further comprises: unlocking the barrier valve (1) by means of a key (16) being positioned on the leading end portion of the well tool (12).
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