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Delayed in situ crosslinking of acrylamide polymers for oil reco

Wells – Processes – Distinct – separate injection and producing wells
Patent

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Delayed polyacrylamide gelation process for oil recovery applica

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Desalination method

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Device for introducing separated fluids through independent flow

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Dialkylate additives for surfactant sytems

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Disposal of produced formation fines during oil recovery

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Double tapered surfactant waterflood oil recovery process

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Downhole burner systems and methods for heating subsurface...

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Reexamination Certificate

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Downhole steam injection splitter

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Drive for heavy oil recovery

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Dual gradient steam foam oil displacement process

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