Patent ID: 11965397
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 11:
12. A downhole tool comprising:
a tool body; and
a first operating sleeve disposed in and movable relative to the tool body, the first operating sleeve comprising:
a first operating sleeve body, the first operating sleeve body having a helical thread on an inner surface thereof, the helical thread defining a first helical thread inner diameter; and
a first plug seat defining a generally cylindrical threadless outer surface with a first plug seat outer diameter, the first plug seat pressed into the first operating sleeve body in an interference fit with the helical thread on the first operating sleeve body, the helical thread on the first operating sleeve body thread cutting into the first plug seat when the first plug seat is in a fully inserted position; the first operating sleeve body comprising:
an inner surface;
first and second inner diameters defined on the inner surface;
a tapered shoulder extending radially inwardly from the first to the second diameter; and
the helical thread formed on the first inner diameter of the first operating sleeve body so that rotation of the first plug seat during drillout urges the first plug seat into the tapered shoulder.