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Method for generating steam
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Patent number 4,149,597
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Issue date Apr 17, 1979
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Texaco Exploration Canada Ltd.
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David A. Redford
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E21 - EARTH DRILLING MINING
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Viscous oil recovery method
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Patent number 4,127,170
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Issue date Nov 28, 1978
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Texaco Exploration Canada Ltd.
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David A. Redford
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E21 - EARTH DRILLING MINING
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Viscous oil recovery method
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Patent number 4,127,172
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Issue date Nov 28, 1978
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Texaco Exploration Canada Ltd.
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David A. Redford
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E21 - EARTH DRILLING MINING
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Viscous oil recovery method
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Patent number 4,124,072
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Issue date Nov 7, 1978
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Texaco Exploration Canada Ltd.
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David A. Redford
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E21 - EARTH DRILLING MINING
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Abrasive resistant choke
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Patent number 4,105,049
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Issue date Aug 8, 1978
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Texaco Exploration Canada Ltd.
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Clarence E. Anderson
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Vicous oil recovery method
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Patent number 4,099,566
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Issue date Jul 11, 1978
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Texaco Exploration Canada Ltd.
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David A. Redford
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E21 - EARTH DRILLING MINING
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