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US 2018/0002999 A1Published application
Ball launcher
AssigneeStonewall Energy Corp.
InventorDarren Johnson
Life of this patent
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Abstract
A ball launcher for launching a plurality of balls into a well, including an endless conveyor belt, the conveyor belt forming a plurality of ball retainers, each operable to contain one of the plurality of balls, a drive motor for selectively driving the conveyor belt, and a brake for braking the conveyor belt.
Claims27
A ball launcher apparatus for delivering a plurality of balls into a well comprising:
- an elongate housing;
- a endless conveyor belt within the housing, the conveyor belt forming a plurality of ball retainers, each operable to contain one of the plurality of balls, the housing having at least one opening for loading the plurality of balls into the housing and into the plurality of ball retainers of the conveyor belt;
- a drive motor at one end of the housing, the drive motor selectively driving the conveyor belt;
- a brake operatively coupled to the conveyor belt for braking the conveyor belt;
- and
- a ball drop opening through the elongate housing from at least one of the plurality of ball retainers, the ball drop opening configured to operatively couple to a wellhead assembly.
3 more elements
Dependencies are inferred from the claim text.