声明
CHAPTER 1 INTRODUCTION
1.1 Objectives and significance of the Research
1.2State of the Art
1.2.1Research status
1.2.2Models to Calculate Efficiency of pump
1.2.3Simulation models
1.3Research contents
(5) Numerical simulation of fluid flow through gas pouch pumps
(6) Analytical model to calculate efficiency of gas pouch pump
(7) Simulation of force acting on hydraulic feedback pump
CHAPTER 2ANALYSIS OF CONVENTIONAL AND SPECIAL ROD PUMP WORKING PROCESS
2.1Working process of conventional rod pump
2.2Volumetric efficiency of conventional rod pump
2.2.1 Single phase (liquid) production
2.2.2Gassy production
2.2.3 Displacement pump efficiency
2.3Factors affecting volumetric efficiency
2.4Detection of common pump problems
2.4.1 Incomplete fill up factor
2.4.2 Fluid pound
2.4.3 Pump off
2.4.4 Starved pump (restricted intake)
2.4.5 Gas pound
2.4.6 Gas lock
2.4.7 Sand problem
2.5Structure and working process of special rod pumps
2.5.1 Anti gas pumps
2.5.2 Heavy oil pumps
2.6Models of different researchers for conventional rod pump
2.6.1 A.L. Podio model
2.6.2E.J.Dottore model
2.6.3Haiwen Wang model
2.6.4Summary
CHAPTER 3 IMPROVED MODEL TO FORECAST GAS LOCKIN CONVENTIONAL PUMP
3.1Effect of gas on efficiency
3.1.1 Impact of formation pressure
3.1.2Impact of pump pressure
3.2 Gas locking mechanism
3.3Effect of dead space / clearance volume on gas lock
3.4Types of gas lock
3.4.1Type 1
3.4.2Type 2
3.5Gas lock symptoms
3.6Previous model of gas lock
3.6.1Conventional model of gas lock
3.6.2Podio model for gas lock
3.7Improvedmodel for gas lockprediction in conventional rod pump
3.8 Sensitivity analysis
3.9 Comparative analysis
3.10 Summary
CHAPTER 4 IMPROVED MODELTO CALCULATE EFFICIENCY OF CONVENTIONAL ROD PUMP
4.1 Structure of conventional rod pump
4.2 Production process of conventional rod pump
4.3 Effect of incomplete barrel fillage on pumpefficiency
4.4Analytical modelling to calculate efficiency of conventional rod pump
4.5Sensitivity analysis
4.5.1 Effect of discharge pressure
4.5.2 Effect of solution gas oil ratio
4.5.3 Effect of intake pressure
4.6 Comparative analysis
4.6.1 Discharge pressure
4.6.2 Solution gas oil ratio
4.6.3 Intake pressure
4.7 Comparative study of models
4.8Summary
CHAPTER 5 NUMERICAL AND ANALYTICAL MODELLING OF GAS POUCH PUMP
5.1 Numerical research
5.1.1 Introduction to software
5.1.2 Application benefits
5.1.3Structureof gas pouch pump
5.1.4Working process of gas pouch pump
5.1.5Numerical simulation
5.1.6Result
5.2Analytical research
5.2.1Analytical modelling to calculate efficiency of gas pouch pump
5.2.2 Modelling for effective hazard of gas in gas pouch rod pump
5.3Sensitivity analysis
5.3.1 Effect of discharge pressure
5.3.2 Effect of solution gas oil ratio
5.3.3 Effect of intake pressure
5.4 Comparative analysis
5.4.1 Effect of discharge pressure
5.3.2 Effect of solution gas oil ratio
5.3.3 Effect of intake pressure
5.8Summary
CHAPTER 6 FORCE ANALYSISOF HYDRAULIC FEEDBACK PUMP
6.1 Structure
6.2 Working process
6.3 Versatile property of hydraulic feedback pump
6.4 Force analysis of hydraulic feedback pump
6.4.1Up stroke
6.4.2 Down stroke
6.5 Comparative analysis of forces
6.7 Sensitivity analysis
6.7.1Effect of density
6.7.2Effect of depth
6.6 Summary
CONCLUSION
参考文献
致谢
中国石油大学(华东);
