Thermal drainage process for recovering hot water-swollen oil from a thick tar sand

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Publication Type patent
Author Van Meurs, Peter; Glandt, Carlos A.
Title Thermal drainage process for recovering hot water-swollen oil from a thick tar sand
Date 1987-05-26
Description Hot liquid-containing water-swollen tar is produced from a tar sand by injecting steam into a well, which is at least initially open and substantially free of obstruction to vertical fluid flow throughout a long vertical interval from the bottom of the tar sand, by producing said liquid from the bottom of the tar sand and maintaining injection and production flow rates that keep the steam temperature above about 450.degree. F. at a pressure high enough to keep the produced liquid substantially free of steam and near to, but less than high enough to damage the reservoir.
Publisher United States Patent and Trademark Office
Subject thermal drainage process; hot water-swollen oil recovery; thick tar sand; oil recovery
Bibliographic Citation Van Meurs, P., Glandt, C. A. (1987). Thermal drainage process for recovering hot water-swollen oil from a thick tar sand. United States Patent 4,667,739. United States Patent and Trademark Office.
Relation Has Part United States Patent 4,667,739
ARK ark:/87278/s6j995kp
Setname ir_eua
ID 214541
Reference URL https://collections.lib.utah.edu/ark:/87278/s6j995kp
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