Oil States Energy Services, Llc.

Ronald B Beason

Nicholas J Cannon

Bob McGuire

Danny Lee Artherholt

Joel H Young

Bob Mcguire

A controlled aperture ball drop includes a ball cartridge that is mounted to a frac head or a high pressure fluid conduit. The ball cartridge houses a ball rail having a bottom end that forms an aperture with an inner periphery of the ball cartridge through which frac balls of a frac ball stack supported by the ball rail are sequentially dropped from the frac ball stack as a size of the aperture is increased by an aperture controller operatively connected to the ball rail.

Controlled aperture ball drop

A controlled aperture ball drop includes a ball cartridge that is mounted to a frac head or a high pressure fluid conduit. The ball cartridge houses a ball rail having a bottom end that forms an aperture with an inner periphery of the ball cartridge through which frac balls of a frac ball stack supported by the ball rail are sequentially dropped from the frac ball stack as a size of the aperture is increased by an aperture controller operatively connected to the ball rail. A control console displays a user interface that permits an operator to control the controlled aperture ball drop to drop frac balls only when desired.

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Wanette, OK, United States of America

Ronald B Beason