USE OF FOAM WITH IN SITU COMBUSTION PROCESS
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United States of America Patent
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Issued Date -
Jul 10, 2014
app pub date -
Jan 8, 2014
filing date -
Jan 8, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a novel method of maintaining a steady and/or proper water-gas ratio for the wet in situ combustion process for oil recovery. In particular, the method comprises mixing water with a foaming agent, or some other colloid capable of generating foam, in addition to gas. The foam carries the water through heated reservoirs more efficiently and prevents separation from the gas. As such, more heat can be scavenged, thus an increased amount of steam is generated and transferred to the oil to increase its recovery.
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