Wastewater disposal with in situ steam production

Details Wastewater disposal with in situ steam production Wastewater disposal with in situ steam production

E - Fixed Constructions

21

B

E21B 43/24 (2006.01) B03B 1/02 (2006.01) B03B 9/02 (2006.01) C10G 1/04 (2006.01)

Patent

CA 2664936

Oil-contaminated clay dispersions in final tailings pond water from a bitumen extraction operation are used in downhole catalytic steam production for an in situ process such as SAGD to produce bitumen. The final tailings pond water is thus disposed of in an environmentally acceptable manner and a suitable source of water is made available for steam generation and subterranean injection.

L'invention concerne des dispersions d'argile contaminées par du pétrole dans l'eau finale de bassin de réception des résidus d'une opération d'extraction de bitume qui sont utilisées dans la production de vapeur catalytique de fond de trou pour un processus in situ, tel que SAGD, afin de produire du bitume. L'eau finale de bassin de réception des résidus est ainsi éliminée d'une manière acceptable pour l'environnement, et une source d'eau appropriée est rendue disponible pour la génération de vapeur et l'injection souterraine.

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