Power-operated downhole tools and multilateral subsurface completion equipment used in the drilling of oil, gas, water and geothermal wells, namely comprised of fluid-powered downhole motors, hydromechanical drilling jars, shock tools, drill string collars, flexible collars, taper blade reamers, hole openers, roller reamers, coring jars, core barrels, core bits, roller bits, side-tracking bits, cutters, running tools, nipples, sleeves, couplings, liners, whipstocks, wireline tools, hydraulic retrieving tools, hangers, and deflectors

'barrel':50 'bit':52,54,58 'blade':41 'collar':37,39 'complet':9 'compris':23 'core':47,49,51 'coupl':64 'cutter':59 'deflector':74 'downhol':4,28 'drill':14,31,35 'equip':10 'flexibl':38 'fluid':26 'fluid-pow':25 'gas':17 'geotherm':20 'hanger':72 'hole':43 'hydraul':69 'hydromechan':30 'jar':32,48 'liner':65 'motor':29 'multilater':7 'name':22 'nippl':62 'oil':16 'open':44 'oper':3 'power':2,27 'power-oper':1 'reamer':42,46 'retriev':70 'roller':45,53 'run':60 'shock':33 'side':56 'side-track':55 'sleev':63 'string':36 'subsurfac':8 'taper':40 'tool':5,34,61,68,71 'track':57 'use':11 'water':18 'well':21 'whipstock':66 'wirelin':67

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