Method and apparatus for actuating a downhole tool

摘要

Apparatuses and methods used for actuating downhole tools in which a ball is dropped from a surface of a wellbore until it contacts a ball seat of a downhole tool. The ball seat moves axially downward within the downhole tool and an expandable ball seating surface of the ball seat radially expands to pass the ball. The ball seat then moves axially upward within the downhole tool.

主权项

1. A downhole tool comprising:
an outer housing having a plurality of housing ports; an inner mandrel disposed in the outer housing, the inner mandrel having a plurality of mandrel ports; a ball seat disposed in the inner mandrel, the bail seat comprising an expandable ball seating surface and a jay slot: and a pin movable in and out of the jay slot, wherein, when the pin is moved out of the jay slot, the ball seat moves toward the plurality of mandrel ports, and the inner mandrel prevents the ball seating surface from expanding.