SOLVENT-ASSISTED METHOD FOR MOBILIZING VISCOUS HEAVY OIL

The invention provides a solvent-assisted method for mobilizing viscous heavy oil or bitumen in a reservoir under reservoir conditions without the n eed to adjust the temperature or pressure. The invention utilizes mixtures of hydro carbon solvents such as ethane, propane and butane, which dissolve...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LILLICO, DOUGLAS A, FRAUENFELD, THEODORE J.W
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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