PIG PUMPING UNIT
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United States of America Patent
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Issued Date -
Jul 21, 2016
app pub date -
Mar 28, 2016
filing date -
Mar 28, 2016
priority date (Note) -
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Abstract
A pumping unit is provided that allows at least four passes to be made simultaneously with a single pumping unit. A single engine is used to drive two pumps, each connected into separate pumping circuits. Fluid flow in each of the pumping circuits is controlled by respective flow control elements on the pumping circuits, as for example a variable flow valve. Two engines may thus be used to drive four pumps.
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