E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/14.6
E21B 19/14 (2006.01) E21B 19/20 (2006.01)
Patent
CA 1249582
Abstract An automated pipe handling system is provided to increase safety and to minimize the number of workmen required in the coupling and uncoupling of pipe stands. The system includes a programmable controller for monitoring and/or controlling devices which remove and add pipe stands to a drill column. A number of trans- ducers are operatively connected to the controlled devices for communication with the programmable con- troller for use in verifying that the controlled devices have properly performed their programmed tasks. The controlled devices include upper and lower arm assemblies for use in engaging and moving the uncoupled pipe stands to a storage position. The controlled devices further include a finger board assembly and a set-back assembly. The finger board assembly moves and retains the upper portions of the pipe stands while a drill rig floor of a derrick supports their lower portions. The set-back assembly is used to hold the lower-portions of the pipe stands and to move the pipe stands to the predetermined storage positions on the drill rig floor.
433285
Fared Drilling Technologies Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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