Make-up control system for tubulars

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 19/16 (2006.01) E21B 3/00 (2006.01)

Patent

CA 2540619

A make-up control method and system (100) for creating a threaded connection between a first tubular (106) and a second tubular (114) is provided. The system (100) includes a top drive (101) connected to the first tubular (106) and a controller (102) operably connected to the top drive that sends at least one command signal to the top drive. The top drive (101) generates a torque and a rotational speed in response to the at least one command signal that are applied to the first tubular (106) during a make-up process between the first and second tubulars. The top drive (101) also generates a torque feedback signal that is transmitted to the controller (102) so that the controller can monitor the torque and the rotational speed that are applied to the first tubular (106) during the make-up process. The controller (102) halts the make- up process when a predetermined torque limit is reached.

L'invention concerne un procédé et un système (100) de commande de vissage permettant de créer un raccord fileté entre un premier élément tubulaire (106) et un second élément tubulaire (114). Ce système (100) comprend un mécanisme (101) d'entraînement supérieur raccordé au premier élément tubulaire (106) et une unité de commande (102) connectée de manière opérationnelle au mécanisme d'entraînement supérieur, et transmettant au moins un signal de commande à ce dernier. En réponse au signal ou aux signaux de commande, le mécanisme (101) d'entraînement supérieur génère un couple et une vitesse de rotation qui sont appliqués au premier élément tubulaire (106) pendant le processus de vissage du premier et du second élément tubulaire. Le mécanisme (101) d'entraînement supérieur génère en outre un signal de rétroaction de couple, qui est transmis à l'unité de commande (102) de manière que cette dernière peut contrôler le couple et la vitesse de rotation appliqués au premier élément tubulaire (106) au cours du processus de vissage. L'unité de commande (102) interrompt le processus de vissage lorsqu'une limite de couple prédéterminée est atteinte.

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