HEATING TAR SANDS FORMATIONS TO VISBREAKING TEMPERATURES

A method for treating a tar sands formation is disclosed. The method incl udes heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The heat is controlled so that at least a majority of the section reaches an average temperature of...

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Bibliographische Detailangaben
Hauptverfasser:	KARANIKAS, JOHN MICHAEL, COLMENARES, TULIO RAFAEL, MARINO, MARIAN, ROES, AUGUSTINUS WILHELMUS MARIA, RYAN, ROBERT CHARLES, DOMBROWSKI, ROBERT JAMES, BEER, GARY LEE, ZHANG, ETUAN
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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Beschreibung
Zusammenfassung:	A method for treating a tar sands formation is disclosed. The method incl udes heating at least a section of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The heat is controlled so that at least a majority of the section reaches an average temperature of be tween 200 °C and 240 °C, which results in visbreaking of at least some hydro carbons in the section. At least some visbroken hydrocarbon fluids are produ ced from the formation.