Patent ID: 11920416
Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 8:
9. A retrieval assembly, comprising:
a retrieval tubular having a stem at an end, a bore extending through at least a portion of the retrieval tubular forming a flow path to a location external of the retrieval tubular;
a piston assembly, the piston assembly having a sleeve and a cap that form, at least in part, a cavity, the sleeve adapted to couple to a retrieval adapter associated with a downhole component, wherein a piston head is movable within the cavity responsive to a fluid pressure introduced via the flow path;
wherein the flow path directs the fluid pressure to an uphole side of the piston head such that the stem is driven in a downhole direction to engage a casing section, the stem applying a force at the casing section such that the sleeve is driven in an uphole direction to drive movement of the retrieval adapter in the uphole direction to disengage at least a portion of the downhole component.