Safemode operating system for a drilling or service rig

Details Safemode operating system for a drilling or service rig Safemode operating system for a drilling or service rig

E - Fixed Constructions

21

B

E21B 19/00 (2006.01) E21B 15/00 (2006.01)

Patent

CA 2557259

Disclosed herein is a system designed to manage or slow the block travel speed down to safe speeds when the rig is operating in a light load/high speed condition. The system monitors and controls engine torque and horsepower, providing the minimum amount of each necessary to pull the light load out of the hold without providing sufficient excess torque to pull the load through a snag.

L'invention concerne un système conçu pour gérer ou ralentir la vitesse de déplacement d'un bloc à des vitesses de sécurité lors du fonctionnement d'une installation dans des conditions de type charge légère/vitesse élevée. Ledit système surveille et commande le couple moteur et la puissance en chevaux-vapeur, fournit la quantité minimum nécessaire de chaque pour tirer la charge légère hors du trou, sans fournir la quantité excédentaire suffisante de couple pour tirer la charge en présence d'un obstacle.

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