Heating tar sands formations to visbreaking temperatures

Heating tar sands formations to visbreaking temperatures

Methods for treating a tar sands formation are described herein. Methods may include heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The heat may be controlled so that at least a majority of the section reaches an average tempe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BEER GARY LEE, ZHANG ETUAN, DOMBROWSKI ROBERT JAMES, COLMENARES TULIO RAFAEL, ROES AUGUSTINUS WILHELMUS MARIA, JAISWAL NAMIT, RYAN ROBERT CHARLES, KARANIKAS JOHN MICHAEL, MARINO MARIAN
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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Beschreibung
Zusammenfassung:Methods for treating a tar sands formation are described herein. Methods may include heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The heat may be controlled so that at least a majority of the section reaches an average temperature of between 200° C. and 240° C., which results in visbreaking of at least some hydrocarbons in the section. At least some visbroken hydrocarbon fluids may be produced from the formation.