Power-operated tools, which may be remotely controlled, for down hole oil, gas or injection wells, namely, packers; Parts of gas and oil well completion machines, which may be remotely activated, namely, safety valves, sliding sleeves, controlled fluid and gas flow control valves, and safety valves

'activ':32 'complet':26 'control':9,38,43 'flow':42 'fluid':39 'gas':14,22,41 'hole':12 'inject':16 'machin':27 'may':6,29 'name':18,33 'oil':13,24 'oper':3 'packer':19 'part':20 'power':2 'power-oper':1 'remot':8,31 'safeti':34,46 'sleev':37 'slide':36 'tool':4 'valv':35,44,47 'well':17,25

Electronic flow control devices, namely, safety valves and sliding sleeves, for use in down hole oil, gas, and injection wells

'control':3 'devic':4 'electron':1 'flow':2 'gas':17 'hole':15 'inject':19 'name':5 'oil':16 'safeti':6 'sleev':10 'slide':9 'use':12 'valv':7 'well':20

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