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Control line running system
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Patent number 8,485,269
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Issue date Jul 16, 2013
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Weatherford/Lamb, Inc.
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Doyle Frederic Boutwell
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E21 - EARTH DRILLING MINING
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Control line running system
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Patent number 8,191,641
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Issue date Jun 5, 2012
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Weatherford/Lamb, Inc.
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Doyle Frederic Boutwell, Jr.
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E21 - EARTH DRILLING MINING
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Control line running system
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Patent number 7,967,073
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Issue date Jun 28, 2011
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Weatherford/Lamb, Inc.
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Doyle Frederic Boutwell, Jr.
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E21 - EARTH DRILLING MINING