Gulf Pump Guides: Progressing Cavity Pumps, Downhole Pumps and Mudmotors

<br>About the Authors</br><br>Preface</br><br>Acknowledgments</br><br>Nomenclature and Abbreviations</br><br>Introduction</br><br>Chapter 1 Benefits of Progressing Cavity Pumps</br><br>Chapter 2 Three Main Types of Progressing Cavity Machines: PCPs, DHPs, and DHMs</br><br>Chapter 3 Operating Principles of Hydraulic Sections (Rotor/Stator Pairs)</br><br>Chapter 4 Geometry</br><br> Cavity/Displacement</br><br> Profile Generation</br><br> Single-Lobe (Special Case, Nr = 1, Ns = 2)</br><br> Rotor-to-Stator Fit (Clearance versus Interference)</br><br> Multilobe Case: Fit Calculations</br><br> Single-Lobe (Special Case, Nr = 1, Ns = 2): Fit Calculations</br><br> Core Sizing for Stator Production</br><br> Performance: Operating Characteristics</br><br> How to Obtain Performance Characteristics for a Given Design, versus Designing a Unit for the Specified Desired Performance</br><br> Examples</br><br> Example 1: Performance Estimate from the Given Measured Geometry</br><br> Example 2: What Happens if a Mismatched Rotor-Stator Pair is Combined?</br><br> Multilobe versus Single-Lobe Geometry: More Performance?</br><br>Chapter 5 Design-Related Considerations</br><br> Key Design Parameters</br><br> Important Ratios</br><br> Variation of Ratios and Their Effect on Performance and Life</br><br> Power Transmission Methods</br><br>Chapter 6 Application Guidelines</br><br> Abrasion</br><br> Temperature</br><br> Chemicals</br><br> Viscosity</br><br> Speed (rpm)</br><br> Pressure and Flow</br><br> Entrained Gas</br><br> Dry-Running</br><br>Chapter 7 Installation Examples</br><br> Installation Case 1: A PC Pump Maintains Foam Concentration</br><br> Installation Case 2: A Sludge Pumping Problem</br><br> Installation Case 3: A Food Application—Soya Milk Processing</br><br> Installation Case 4: A Sanitary Application at a Bakery</br><br> Installation Case 5: Effluent Treatment</br><br> Installation Case 6: A Storm Water Runoff Application</br><br> Installation Case 7: A Sludge Application</br><br> Installation Case 8: A Sludge Treatment Application</br><br> Installation Case 9: Reliability is Key at a Food Processing Plant</br><br> Installation Case 10: Sewage Treatment at an Airport</br><br> Installation Case 11: Offshore Supply Vessels for Drilling Mud</br><br> Installation Case 12: Main Feed Pump Plus Additives</br><br> Installation Case 13: Vertical Orientation</br><br>Chapter 8 Troubleshooting</br><br> Before You Begin Troubleshooting</br><br> Information Gathering</br><br> Flow Loss or Low Flow</br><br> Loss of Suction</br><br> Low Discharge Pressure</br><br> Excessive Noise or Vibration</br><br> Excessive Power Usage</br><br> Rapid Pump Wear</br><br> PC Components in Service</br><br>Chapter 9 Progressing Cavity Pump Selection and Sizing</br><br> Example 1: Pump Sizing</br><br> Example 2: Pump Sizing</br><br> Metallic Stators</br><br>Chapter 10 Progressing Cavity Pump Startups</br><br> Pipe and Valves</br><br> Foundation, Alignment, and Rotation</br><br> Lubrication</br><br> Startup Spares</br><br> Resources</br><br> Last-Minute Startup Thoughts</br><br> Rotary Pump Startup Checklist</br><br>Chapter 11 Progressing Cavity Pump Overhaul Guide</br><br>Conclusion</br><br>References</br><br>Index</br>