Key Energy Services Inc.

Kevin Northcutt

Frederic M Newman

This invention is generally directed towards a system designed to assist the rig operator by alerting him/her that the air pressure is too low to be using the drum clutch, to provide a log for studies on rig operation technique, and to provide a training tool for rig operators. If the pressure on the clutch bladder is above a predetermined range, the clutch is allowed to engage. If the signal is below the range, the clutch is assumed to have not been engaged. If the signal is within the range, the clutch is not allowed to engage and the rig operator is notified of the problem.

Warning device and method to prevent clutch burning

This invention will therefore provide a tool to assist the rig operator in perfecting his/her rig operation skills. Disclosed herein is an apparatus and method for minimizing slippage on the drum clutch of a well service rig. A detector senses the motion of the compound when the clutch is initially engaged. If the momentum is above an acceptable level, an alarm sounds, notifying the operator to be smoother with the clutch. A tracking mechanism is disclosed so that a rig supervisor or safety person can critique the operator on the smoothness of the rig operation.

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Midland, TX, United States of America

Kevin Northcutt