Roughly 60% of oil resources in the world remains unproduced, partially due to limitations in existing enhanced recovery methods. This translates to approximately half a billion tons of oil left behind annually. Anecdotal production data, as well as historic field and laboratory experiments, have shown that low-amplitude seismic waves in the frequency range of roughly 1–500 Hz can enhance oil mobility and total recovery in mature reservoirs. It is estimated that, to date, various types of seismic and acoustic oilfield stimulation activities have produced an additional 11 million tons of oil in the Former Soviet Union alone. Unfortunately, field tests...

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