METHODS FOR RECOVERING SOLVENT AND PRODUCING HYDROCARBONS FROM SUBTERANEAN RESERVOIRS

METHODS FOR RECOVERING SOLVENT AND PRODUCING HYDROCARBONS FROM SUBTERANEAN RESERVOIRS

Disclosed are methods of producing hydrocarbons and recovering solvent from a subterranean reservoir that is penetrated by an injection well and a production well. The methods comprise orchestrating a production phase that involves injecting solvent (and optionally steam) to mobilize viscous hydroca...

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Hauptverfasser: MILLER, Ryan, KOCHHAR, Ishan Deep Singh, BEN-ZVI, Amos, GITTINS, Simon D, AZOM, Prince
Format: Patent
Sprache:eng
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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creator MILLER, Ryan
KOCHHAR, Ishan Deep Singh
BEN-ZVI, Amos
GITTINS, Simon D
AZOM, Prince
description Disclosed are methods of producing hydrocarbons and recovering solvent from a subterranean reservoir that is penetrated by an injection well and a production well. The methods comprise orchestrating a production phase that involves injecting solvent (and optionally steam) to mobilize viscous hydrocarbons. The methods also comprise a solvent-recovery phase that involves non-condensable gas injection. The production phase and the solvent-recovery phase are each defined by an injection profile. The solvent-recovery-phase injection profile is selected: (i) based on the production-phase injection profile, and (ii) to ensure the pressure/temperature conditions in proximity to the production well favour gas-phase solvent recovery.
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subjects 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
title METHODS FOR RECOVERING SOLVENT AND PRODUCING HYDROCARBONS FROM SUBTERANEAN RESERVOIRS
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