Oil recovery apparatus
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United States of America Patent
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Aug 3, 1993
Grant Date -
N/A
app pub date -
Jan 23, 1992
filing date -
Jan 23, 1992
priority date (Note) -
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Abstract
Apparatus for continuously recovering oil-only from mature wells with typically low production. The apparatus includes a continuous chain which is suspended in the oil-containing portion of the well. By continuously moving the chain, oil is drawn out of the well and deposited in a collection box.
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