Downhole valves, namely, self-shifting fracturing sleeves for use in oil and gas wells; devices for initiating and stimulating hydrocarbon-bearing reservoirs, namely, fracturing and stimulation valves being parts of oil and gas well machines

'bear':23 'devic':16 'downhol':1 'fractur':7,26 'gas':14,35 'hydrocarbon':22 'hydrocarbon-bear':21 'initi':18 'machin':37 'name':3,25 'oil':12,33 'part':31 'reservoir':24 'self':5 'self-shift':4 'shift':6 'sleev':8 'stimul':20,28 'use':10 'valv':2,29 'well':15,36

hydrocarbon-bearing reservoir initiation and stimulation services, namely, hydraulic fracturing and stimulation services

'bear':3 'fractur':11 'hydraul':10 'hydrocarbon':2 'hydrocarbon-bear':1 'initi':5 'name':9 'reservoir':4 'servic':8,14 'stimul':7,13

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