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Inflow control device
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Patent number 7,828,067
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Issue date Nov 9, 2010
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Weatherford/Lamb, Inc.
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Brian Scott
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E21 - EARTH DRILLING MINING
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Flow nozzle assembly
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Patent number 7,597,141
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Issue date Oct 6, 2009
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Weatherford/Lamb, Inc.
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William T. Rouse
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E21 - EARTH DRILLING MINING
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Well screen
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Patent number 6,158,507
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Issue date Dec 12, 2000
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William T. Rouse
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E21 - EARTH DRILLING MINING