Fluid flow regulators and filters used in subterranean wells to establish and control the flow of hydrocarbons and water in oil, gas, and water wells

'control':13 'establish':11 'filter':5 'flow':2,15 'fluid':1 'gas':22 'hydrocarbon':17 'oil':21 'regul':3 'subterranean':8 'use':6 'water':19,24 'well':9,25

Downhole oilfield equipment, namely extendable conduits and filters to permit and control the flow of fluids to or from a geologic formation

'conduit':6 'control':12 'downhol':1 'equip':3 'extend':5 'filter':8 'flow':14 'fluid':16 'format':22 'geolog':21 'name':4 'oilfield':2 'permit':10

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