SYSTEM AND METHOD FOR DIRECT DRIVE PUMP
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United States of America Patent
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app pub date -
Dec 25, 2012
filing date -
Sep 2, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and a system are provided for a direct drive pump for use in pumping fluids and/or quasi-fluids from one location to another. In the direct drive pump, bearings or bushings are optimally spaced, taking into account various operational considerations such as load, path, pressure, and tension. Further, bearings or bushings are coupled to the drive string, thus assisting in more efficient installation and de-installation. The bearings or bushings are not fixed to the production casing or drive tube. In embodiments, the drive tube can be vented, and the production fluid can be used as a lubricant for the system bearings.
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