Hydraulically operated trackless and suspension-line-free positioning device used in the oil and gas industry for pneumatic control of attached drill pipe makeup and breakout equipment allowing extension and retraction without altering vertical position

'allow':29 'alter':34 'attach':22 'breakout':27 'control':20 'devic':10 'drill':23 'equip':28 'extens':30 'free':8 'gas':16 'hydraul':1 'industri':17 'line':7 'makeup':25 'oil':14 'oper':2 'pipe':24 'pneumat':19 'posit':9,36 'retract':32 'suspens':6 'suspension-line-fre':5 'trackless':3 'use':11 'vertic':35 'without':33

POWERARM

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