METHOD AND SYSTEM OF OPTIMIZED STEAM-ASSISTED GRAVITY DRAINAGE WITH OXYGEN ("SAGDOXO") FOR OIL RECOVERY
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
Nov 18, 2013
filing date -
May 15, 2012
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Abandoned
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Abstract
A steam assisted gravity drainage with injected oxygen (SAGDOX) process to recover hydrocarbons in a hydrocarbon reservoir including:
- (a) starting the SAGDOX process at a first oxygen to steam ratio;(b) measuring a produced water to oil ratio (v/v) PWOR associated with the first oxygen to steam ratio;(c) adjusting the oxygen to steam ratio to obtain a predetermined PWOR; and(d) continuing steps (a) to (c) until a target PWOR is obtained improving the hydrocarbon recovery rate.
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