Recovery of hydrocarbons in oil wells by injection of...

Wells – Processes – Distinct – separate injection and producing wells

Reexamination Certificate

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Reexamination Certificate

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07086482

ABSTRACT:
A process of recovering hydrocarbons in oil wells by the injection of treated inert gases from cement clinker production effluence(s) comprising the steps of treating the effluence(s) to make the effluence(s) compatible with the hydrocarbons and injecting the treated effluence(s) into the wells.

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patent: 195 11 304 (1996-10-01), None
patent: WO 98/20233 (1998-05-01), None

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