Patent attributes
A spinner assembly for threading or unthreading tubular members above the floor of a well site has a spinner with an open throat, a plurality of rollers rotatable about a substantially vertical axis, a motor for driving the plurality of rollers, and a plurality of brackets supporting the plurality of rollers. The open throat is suitable for receiving one of the tubular members therein. The spinner housing has a common axis. The plurality of rollers are adapted to engage the tubular member received in the open throat. The brackets are disposed within the spinner housing on opposite sides of the open throat. The brackets are movable inwardly and outwardly of the spinner housing in opposite directions at a substantially straight line along the common axis.
