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Keywords: sucker rod
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Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–8, 1995
Paper Number: PETSOC-95-28
... LSPU, thus supporting the theory. The benefits associated with LSPU translates to production cost reduction. Mechanical advantages, such as fewer pumping cycles without sacrificing production (increases rod pump, sucker rod and pumping unit life), higher rod pump efficiency, higher rod pump gas...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-102
... Abstract To date, many coal bed methane (CBM) wells have been de-watered using sucker rod or progressive cavity pumps. These methods have shown to be an effective method of reducing wellbore water levels, but they are not without limitation or operational problems. Past experience has shown an...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 9–12, 1983
Paper Number: PETSOC-83-34-42
... reference. The majority of failures other than routine pump changes were due to parted rods and tUbing failures. Over 86% of the tubing failures were in the bottom 40 joints of tubing (Figure 2). Nearly all of these failures were due to holes caused by sucker rod coupling wear on tubing. The majority of...

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