Compact cable suspended pumping system for dewatering gas wells
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United States of America Patent
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Apr 2, 2013
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N/A
app pub date -
Jun 7, 2010
filing date -
Jun 7, 2010
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Abstract
A method of unloading liquid from a reservoir includes deploying a pumping system into a wellbore to a location proximate the reservoir using a cable. The pumping system includes a multi-section motor, an isolation device, and a pump. The method further includes supplying a power signal from the surface to the motor via the cable and sequentially operating each section of the motor to mimic a multi-phase motor, thereby driving the pump and lowering a liquid level in the tubular string to a level proximate the reservoir.
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