Warning device to prevent clutch burning on a well service rig

Details Warning device to prevent clutch burning on a well service rig Warning device to prevent clutch burning on a well service rig

E - Fixed Constructions

21

B

E21B 44/00 (2006.01) B66D 1/48 (2006.01) E21B 41/00 (2006.01)

Patent

CA 2515315

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 (8) 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.

L'invention porte d'une manière générale sur un système d'assistance à l'opérateur d'un appareil de forage: lui signalant que la pression de commande de l'embrayage pneumatique à tambour est trop basse pour en permettre l'utilisation, et lui permettant de remplir un relevé des incidents pouvant servir à des études sur les techniques d'exploitation des appareils de forage et d'outil de formation des opérateurs d'appareils de forage. Si la pression du réservoir d'air (8) de commande de l'embrayage dépasse une plage, l'embrayage peut d'enclencher, si la pression n'atteint pas la plage donnée, l'embrayage est supposé ne pas s'enclencher, et si la pression se trouve à l'intérieur de la plage donnée, l'embrayage ne doit pas être enclenché et l'opérateur est averti du problème.

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