E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/20 (2006.01) E21B 19/14 (2006.01)
Patent
CA 2442379
An automated pipe racking apparatus for a drilling rig having an elevator suspended over a well bore. An arm support member is rotatable about an axis parallel to the well bore. A gripper arm extends from the arm support member along an axis normal to the axis of rotation of the arm support member. A gripper head assembly extends from the gripper arm, the gripper head assembly having a pair of opposed, arcuate gripper fingers, each said finger rotatable by a motor.
Un appareil de gerbage automatique de tiges de forage pour une plate-forme de forage et ayant un ascenseur suspendu au-dessus du puits de forage. Un support de bras peut pivoter autour d'un axe parallèle au puits de forage. Un bras de préhension se déploie du support de bras le long d'un axe normal à l'axe de rotation du support de bras. Une tête de préhension se prolonge du bras de préhension et est muni d'une paire de doigts de préhension courbés opposés, un moteur faisant tourner chacun des doigts.
Duncan Rod
Woolslayer Joseph R.
Smart & Biggar
Woolslayer Companies Inc.
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