USE OF STEAM-ASSISTED GRAVITY DRAINAGE WITH OXYGEN ("SAGDOX") IN THE RECOVERY OF BITUMEN IN LEAN ZONES ("LZ-SAGDOX")
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Nov 13, 2013
filing date -
Jul 13, 2011
priority date (Note) -
Abandoned
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Abstract
A process to recover hydrocarbons from a reservoir having at least one lean zone, wherein said lean zone has an initial bitumen saturation level less than about 0.6, said process including:
- i) Initially injecting of oxygen into said reservoir;ii) Allowing for combustion of said oxygen to vaporize connate water in said at least one lean zone; andiii) Recovering said hydrocarbons from said reservoir.
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