Subterranean remediation pump and process for use

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United States of America Patent

PATENT NO 5509479
SERIAL NO

08302310

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A subterranean pump of compact design can be inserted into boreholes commonly used for exploratory drill holes to observe subterranean contaminants. The pump operates at the water-oil interface so as to draw off contaminating oil while avoiding the unnecessary pumping of water which would deplete the capacity of the pump. Preferably, the subterranean pump is a jet pump (ejector or educator) which operates on fluids pumped back down-hole by an above ground auxiliary pump. The down-hole pump is maintained at the water-oil interface by floats or other sensors which detect the water-oil interface and operate an electrical hoist or other lifting device to raise and lower the pump in the borehole.

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Patent Owner(s)

Patent OwnerAddress
ASHLAND OIL INCP O BOX 391 BL-5 ASHLAND KY 41114

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Emmons, Phillips C 1314 12th St., Huntington, WV 25701 2 35

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