Progressive Cavity Pump Rod Guide
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United States of America Patent
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N/A
Issued Date -
Jul 5, 2012
app pub date -
Jan 4, 2011
filing date -
Jan 4, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A rod guide receiver is molded directly onto the sucker rod and a rod guide or spinner is then molded directly onto the rod guide receiver, the spinner having a plurality of blades or fins molded as an integral part of a spinner body that is free to turn about the rod guide receiver. The rod guide receiver serves in the manner of a bearing race, having a pair of opposing stops to retain the spinner subsequently molded thereon. The spinner may also be referred to herein as a centralizing sleeve. The rod guide receiver and the spinner are both formed of polymeric materials, but of materials different from one another so that the rod guide is free to rotate about the rod guide receiver. Further, the vanes of the rod guide are formed in a zig-zag pattern to enhance the strength and effectiveness of the vanes in bearing against the inside surface of the well tubing.
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