Process for increasing the degree of oil extraction
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United States of America Patent
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Dec 5, 1989
Grant Date -
N/A
app pub date -
Jul 8, 1987
filing date -
Dec 3, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for increasing the degree of extraction of oil or other volatile liquids in oil reservoirs on land or at sea, by making the formations in said reservoir vibrate as close to the natural frequency of said formations as possible, so that the binding forces between formations and oil are degraded and oil is, thus, more easily recovered from the formations. Furthermore, the pressure in said reservoir is maintained by evaporating some oil and water in the reservoir, due to the fact that heating is achieved both as a consequence of said vibrations, and by the aid of electrical high frequeny pulses causing the reservoir to perform like an electrode furnace.
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