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Pump Card Shapes
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  • What downhole problems can be identified by recognizing diagnostic Pump Card shapes?
  • Why is it sometimes difficult to diagnose downhole problems using measured polished rod surface dynamometer cards?
Acoustic Survey Analysis
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  • Does liquid exist above the pump?
  • At what depth is the top of the liquid column?
  • Does the liquid in the casing annulus restrict production from the well?
  • What is the maximum production rate available from the well?
  • What is the casing-head pressure?
  • Does it restrict production?
  • What is the percentage of liquid in the annular fluid column?
  • Is gas flowing up the annulus? At what rate? What is the gas gravity?
  • Are there any restrictions or anomalies in the annulus above the liquid level?
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