portable earth drilling machines, namely, oil and gas drills, exploration drills, core drills, water well drills, mud pumps, cathodic protection drills, geothermal drills, foundation drills, traveling block brakes, kelly engine rods, core drill bits and drilling bits, rotary presses, pull-down chucks for power drills, drill head studs for engines, high-pressure fracturing pumps and units all for use in oil or gas well hydraulic fracturing operations

'bit':34,37 'block':27 'brake':28 'cathod':19 'chuck':43 'core':12,32 'drill':3,9,11,13,16,21,23,25,33,36,46,47 'earth':2 'engin':30,51 'explor':10 'foundat':24 'fractur':55,68 'gas':8,65 'geotherm':22 'head':48 'high':53 'high-pressur':52 'hydraul':67 'kelli':29 'machin':4 'mud':17 'name':5 'oil':6,63 'oper':69 'portabl':1 'power':45 'press':39 'pressur':54 'protect':20 'pull':41 'pull-down':40 'pump':18,56 'rod':31 'rotari':38 'stud':49 'travel':26 'unit':58 'use':61 'water':14 'well':15,66

metal hardware, namely double-end water swivels and power swivels; metal drill pipes, exploration drill pipe, drill pipe substitutes, drill pipe elevators and links for use in well boring; metal safety clevis fasteners

'bore':30 'clevi':33 'doubl':5 'double-end':4 'drill':13,16,18,21 'elev':23 'end':6 'explor':15 'fasten':34 'hardwar':2 'link':25 'metal':1,12,31 'name':3 'pipe':14,17,19,22 'power':10 'safeti':32 'substitut':20 'swivel':8,11 'use':27 'water':7 'well':29

'bush':4 'driver':5 'hand':1 'name':3 'tool':2

GEORGE E. FAILING COMPANY

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