MILLABLE PLUGGING DEVICE

摘要

The present invention relates to a millable plugging device (1) for use in a well pipe (WP). The device comprises a inner mandrel (2) comprising a first mandrel section (2a) and a second mandrel section (2b),where the first mandrel section (2a) has a cylindrical outer surface and where the second mandrel section (2b) has a cylindrical outer surface. The device further comprises an outer housing (3) provided radially outside at least parts of the inner mandrel (2). The outer housing (3) comprises a first housing section (3a) and a second housing section (3b), where the second housing section (3b) comprises a cylindrical compartment (4b). A sealing assembly (10) is provided radially outside the inner mandrel (2), where the sealing assembly (10) is configured to be brought from a run state to a set state by a relative axial displacement between the inner mandrel (2) and the outer housing (3). The millable plugging device (1) has a first center axis (I1). The second mandrel section (2b) has a second center axis (I2b) which is displaced parallel in relation to the first center axis (I1). At least a part of the second mandrel section (2b) is provided within the compartment (4b) in the set state. Rotation of the inner mandrel (2) in the set state is bringing a third mandrel section (2c) of the mandrel (2) to a locked state, in which further rotation of the inner mandrel (2) is prevented.