Advancing heated annulus steam drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 17, 1984
Grant Date -
N/A
app pub date -
Aug 31, 1982
filing date -
Aug 31, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method is disclosed for producing viscous petroleum from subsurface deposits. The method employs a vertical well and a horizontal well through the petroleum deposit. A combination of injection procedures through the horizontal and vertical well heat the viscous petroleum in the annulus around the horizontal well. Successive completion intervals are installed in the horizontal well to produce the heated petroleum. The petroleum is driven by a drive fluid passing through previously produced intervals.
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