| 摘要 |
A downhole tool being adapted to operate in a well bore is presented, the downhole tool comprising a housing surrounded by an outside fluid, the housing having a fluid inlet, the fluid inlet being open to said outside fluid. The downhole tool further comprises a first chamber filled with a chamber fluid having a subchamber for installation of downhole equipment, a divider arranged inside the first chamber, the divider sealingly engaging the fluid inlet and defining an expandable second chamber at an inner side of the divider, so that the expandable second chamber is fillable with the outside fluid through the fluid inlet, wherein influx of the outside fluid into the expandable second chamber expands said second chamber thereby compressing the chamber fluid in the first chamber. |
