fluid driven or electric conveyors for use in oil drilling and on oil wells for both land and off-shore applications

'applic':22 'conveyor':5 'drill':10 'driven':2 'electr':4 'fluid':1 'land':17 'off-shor':19 'oil':9,13 'shore':21 'use':7 'well':14

fluid driven and electric measuring apparatus and measuring instruments for use in pulling coiled tubing and wirelines in oil drilling and on oil wells for both land and off-shore applications

'apparatus':6 'applic':32 'coil':14 'drill':20 'driven':2 'electr':4 'fluid':1 'instrument':9 'land':27 'measur':5,8 'off-shor':29 'oil':19,23 'pull':13 'shore':31 'tube':15 'use':11 'well':24 'wirelin':17

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