Tubular grip interlock system

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 19/06 (2006.01) E21B 19/00 (2006.01)

Patent

CA 2722731

A tubular grip interlock system for ensuring that a tubular string is gripped by at least one of a first tubular gripping device and a second tubular gripping device includes a console having a panel forming a track having a first leg and a second leg; a first actuator operating the first tubular gripping device between an open and a closed position; a second actuator operating the second tubular gripping device between an open and a closed position; and a single control device movable along the track, the single control device operationally connected to the first actuator and operationally disconnected from the second actuator when the single control device is disposed along the first leg and wherein the single control device is operationally disconnected from the first actuator and operationally connected to the second actuator when the single control device is disposed in the second leg.

La présente invention concerne un système de verrouillage de préhension tubulaire destiné à garantir quune rame tubulaire soit attrapée par au moins un premier dispositif de préhension tubulaire ou un second dispositif de préhension tubulaire qui comprend une console qui comporte un panneau qui forme une piste qui possède un premier segment et un second segment ; un premier actionneur qui fait fonctionner le premier dispositif de préhension tubulaire entre une position ouverte et une position fermée ; un second actionneur qui fait fonctionner le second dispositif de préhension tubulaire entre une position ouverte et une position fermée ; et un dispositif de commande unique mobile le long de la piste, le dispositif de commande unique étant relié, en fonctionnement, au premier actionneur et séparé, en fonctionnement, du second actionneur lorsque le dispositif de commande unique est disposé le long du premier segment et le dispositif de commande unique étant séparé, en fonctionnement, du premier actionneur et relié, en fonctionnement, au second actionneur lorsque le dispositif de commande unique est disposé dans le second segment.

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