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An Entity of Type : prov:Entity, within Data Space : webisadb.webdatacommons.org associated with source dataset(s)

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  • A control unit for oil wells for maximizing the efficiency of a producing oil well field, including the use of a variable speed AC motor powering each oil well pump jack, which enables the operator to control the strokes per minute on the pump unit and adjust the speed of the upstroke relative to the downstroke of the unit which is accomplished by the variable speed motor also having a variable cy
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