Additives for steam-injection oil recovery

Ether amine additives are used in oil recovery such as steam-assisted gravity drainage and cyclic steam stimulation, as well as surface mining of bitumen. Methods of oil recovery using the ether amine additives are described. The ether amine additives are injected with steam into a subterranean oil...

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Bibliographische Detailangaben
Hauptverfasser:	Boyd, Tyler D, Myers, David Francis, Nguyen, Duy T
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY CRACKING HYDROCARBON OILS DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS FUELS LUBRICANTS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINERAL WAXES MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	Ether amine additives are used in oil recovery such as steam-assisted gravity drainage and cyclic steam stimulation, as well as surface mining of bitumen. Methods of oil recovery using the ether amine additives are described. The ether amine additives are injected with steam into a subterranean oil reservoir such as oil tar sands to improve recovery of oils such as bitumen and/or heavy oil, or used to wash surface-mined rock to assist in oil extraction therefrom. The ether amine additives may be added to steam in steam-assisted oil recovery methods such as cyclic steam stimulation and steam-assisted gravity drainage. Condensates of the additives in steam exhibit very low advancing and receding contact angles and low interfacial tensions at low concentrations of the additives.