DYNAMIC SOLVENT:STEAM MANAGEMENT IN HEAVY OIL RECOVERY

ABSTRACT Processes are provided for recovering hydrocarbons from subterranean reservoirs, using solvent-aided or solvent driven processes that dynamically modulate the ratio of solvent to steam in an injection fluid. The dynamic oscillation of solvent to steam ratios may be orchestrated so as to fac...

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Hauptverfasser:	AZOM, PRINCE, KOCHHAR, ISHAN DEEP SINGH, SCHMITZ, JOEL, AVILA, NATASHA POUNDER, BEN-ZVI, AMOS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Zusammenfassung:	ABSTRACT Processes are provided for recovering hydrocarbons from subterranean reservoirs, using solvent-aided or solvent driven processes that dynamically modulate the ratio of solvent to steam in an injection fluid. The dynamic oscillation of solvent to steam ratios may be orchestrated so as to facilitate liquid hydrocarbon recovery, by managing gas behaviour. In this way, longer-term recovery periods characterized by particular solvent to steam ratios may be improved by interspersing within the longer periods one or more oscillations in the solvent to steam ratio. Date Recue/Date Received 2020-12-17