Offshore drilling rig fingerboard latch position indication

摘要

A fingerboard latch assembly includes a latch configured for operational engagement with a fingerboard for lockingly retaining at least one tubular to the fingerboard. The latch is movable within a range of motion extending from at least a locked position to an unlocked position. A positioner operatively engaged with the latch is communicably couplable to a process control network (PCN), and is sized and shaped for receipt within a latch channel of the fingerboard. The positioner is configured to move the latch within the range of motion in response to signals received from the PCN, to capture position data for the latch, including the position of the latch at a plurality of points within the range of motion, and to communicate the captured position data to the PCN.

主权项

1. A fingerboard latch assembly comprising:
a latch configured for operational engagement with a fingerboard for lockingly retaining at least one tubular to the fingerboard; the latch being movable within a range of motion extending from a locked position to an unlocked position; a positioner operatively engaged with the latch, the positioner being communicably couplable to a process control network (PCN); the positioner configured to move the latch within the range of motion in response to signals received from the PCN; the positioner configured to sense a plurality of positions of the latch between the locked position and the unlocked position substantially in real time; and the positioner further configured to transmit a signal representing a sensed one of the plurality of positions of the latch to the PCN, substantially in real time.