Method of and system for optimizing rate of penetration...

Details Method of and system for optimizing rate of penetration... Method of and system for optimizing rate of penetration...

E - Fixed Constructions

21

B

E21B 44/00 (2006.01) E21B 45/00 (2006.01)

Patent

CA 2395771

A method of and system for optimizing bit rate of penetration while drilling substantially continuously determine an optimum control variable value necessary to achieve an optimum bit rate of penetration based upon measured conditions and maintains control variable value at the optimum control variable value. As measured conditions change while drilling, the method updates the determination of optimum control variable value. Image

L'invention concerne un procédé et un système destinés à optimiser la vitesse de pénétration du trépan lors du forage. Lesdits procédé et système permettent de déterminer essentiellement en continu une variable de commande optimale nécessaire pour atteindre une vitesse de pénétration optimale du trépan sur la base des conditions mesurées, et de maintenir cette variable de commande à une valeur optimale. Lorsque les conditions mesurées changent au cours du forage, la détermination de la variable de commande optimale est actualisée selon ledit procédé.

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