BALL DROP WELLHEAD CONTROL APPARATUS

摘要

A ball drop wellhead control apparatus provides a ball controller between a frac ball drop or frac ball injector used to drop frac balls into a frac fluid stream being pumped into a subterranean well.

主权项

1. A ball drop wellhead control apparatus, comprising:
a control body having a central passage; a ball controller having a ball pocket that is aligned with the central passage when the ball controller is in a ball receiving position, at least one through bore in a bottom of the ball pocket providing fluid communication through the ball controller in the ball receiving position, and a ball release port oriented at a right angle with respect to the ball pocket so that any frac ball in the ball pocket is released from the ball pocket only after the ball controller is moved from the ball receiving position to a ball release position; and an actuator that moves the ball controller from the ball receiving position to the ball release position.