Process for recovering viscous oil from an underground formation containing viscous oil

Oil is recovered from a formation, which contains viscous oil and includes a tar sand deposit, by providing at least one injection bore and at least one production bore arranged at a distance from the latter, which bores extend from the ground surface downwards to the bottom of the formation and, in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FITCH, JOHN LAWRENCE, DALLAS, TEX., US, MULLINS, LYNN DALTON, DE SOTO, TEX., US
Format:	Patent
Sprache:	eng ; ger
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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