Patent ID: 9695668
Date: 2017-07-04
CPC Classifications: E21B

Claim:
1. A millable plugging device for use in a well pipe, comprising: an inner mandrel comprising a first mandrel section and a second mandrel section, wherein the first mandrel section has a cylindrical outer surface and wherein the second mandrel section has a cylindrical outer surface; an outer housing provided radially outside at least parts of the inner mandrel, wherein the outer housing comprises a first housing section and a second housing section, wherein the second housing section comprises a cylindrical compartment; a sealing assembly provided radially outside the inner mandrel, wherein the sealing assembly is configured to be brought from a run state to a set state by a relative axial displacement between the inner mandrel and the outer housing, wherein the millable plugging device has a first center axis, the second mandrel section has a second center axis displaced parallel in relation to the first center axis, at least a part of the second mandrel section is provided within the cylindrical compartment in the set state, and wherein rotation of the inner mandrel in the set state is bringing a third mandrel section of the mandrel to a locked state, in which further rotation of the inner mandrel is prevented.