Artificial Lift Techniques – MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. Artificial lift in petroleum engineering is used to: (A) Increase reservoir pressure (B) Enhance hydrocarbon recovery by lifting fluids to the surface (C) Reduce drilling costs (D) Improve seismic imaging 2. The most widely used artificial lift method worldwide is: (A) Gas lift (B) Electric submersible pumps (ESP) (C) Beam pumping (rod pump) (D) Hydraulic lift 3. Gas lift systems operate by: (A) Injecting gas into the tubing to reduce fluid density (B) Installing downhole electric pumps (C) Applying hydraulic pressure at the wellhead (D) Using surface reciprocating pumps 4. Electric submersible pumps (ESP) are best suited for: (A) High flow rate wells (B) Low productivity reservoirs (C) Wells with heavy solids (D) Shallow wells only 5. The main component of a beam pumping system is: (A) Gas compressor (B) Sucker rods (C) Hydraulic cylinder (D) Jet pump nozzle 6. Plunger lift is primarily used in wells with: (A) Very high GOR (gas-oil ratio) (B) Heavy crude oil (C) Offshore deepwater fields (D) Large ESP installations 7. Jet pumps operate on the principle of: (A) Bernoulli’s equation (B) Venturi effect (C) Darcy’s law (D) Reynolds number 8. The efficiency of gas lift depends on: (A) Depth of injection (B) Gas injection rate and pressure (C) Tubing diameter (D) All of the above 9. A key advantage of ESPs is: (A) Suitability for high sand production (B) Ability to handle very high flow rates (C) Low installation cost (D) Zero power requirement 10. Beam pumps are limited by: (A) Shallow well depth (B) Low cost (C) Slow stroke speed (D) Tubing corrosion resistance 11. Hydraulic piston pumps require: (A) High-pressure power fluid (B) Gas compressors (C) Permanent magnet motors (D) Jet nozzles 12. The gas lift valve is installed in the: (A) Surface separator (B) Tubing or casing (C) ESP motor (D) Wellhead choke 13. The maximum depth of beam pumping is generally limited to around: (A) 1000 ft (B) 3000 ft (C) 12,000 ft (D) 25,000 ft 14. Which artificial lift method has the highest energy efficiency? (A) Beam pump (B) Gas lift (C) ESP (D) Plunger lift 15. A common problem in ESP operations is: (A) Gas lock (B) Gas breakthrough (C) Scale deposition (D) All of the above 16. Intermittent gas lift is best suited for: (A) High productivity wells (B) Marginal low-rate wells (C) Offshore wells (D) Horizontal wells 17. Which lift method is most commonly used in offshore deepwater wells? (A) Beam pump (B) ESP (C) Gas lift (D) Hydraulic piston pump 18. ESP motors are cooled by: (A) Well fluids (B) Surface coolant circulation (C) Air fans (D) Refrigerants 19. Jet pumps are advantageous because they have: (A) No moving downhole parts (B) High mechanical efficiency (C) Very low power consumption (D) Self-lubricating bearings 20. The stroke length in a beam pump affects: (A) Pumping speed only (B) Pump displacement (C) Tubing corrosion rate (D) Gas lock occurrence 21. A plunger lift relies on: (A) High reservoir pressure (B) Periodic shut-in cycles (C) Surface hydraulic cylinders (D) ESP stages 22. Continuous gas lift is preferred over intermittent when: (A) Wells produce high liquid rates (B) Wells produce heavy crude (C) Reservoir pressure is very low (D) Water cut is high 23. Which artificial lift method is most suitable for deviated and horizontal wells? (A) Beam pump (B) ESP (C) Gas lift (D) Plunger lift 24. The run life of an ESP is typically: (A) A few days (B) 1–5 years (C) 10–15 years (D) More than 20 years 25. A major limitation of hydraulic pumps is: (A) Inability to handle high pressure (B) Requirement of a clean power fluid (C) High sand tolerance (D) No downhole equipment 26. Gas lift valves are operated by: (A) Electric signal (B) Pressure differential (C) Surface mechanical force (D) Hydraulic jacks 27. The term “nodding donkey” refers to: (A) ESP unit (B) Beam pumping unit (C) Gas compressor (D) Hydraulic pump 28. ESP performance is characterized by: (A) Pump curves (head vs. capacity) (B) Gas-liquid ratio curves (C) Reservoir pressure curves (D) Tubing head pressure charts 29. The plunger in plunger lift is typically made of: (A) Steel (B) Rubber (C) Ceramic (D) Plastic 30. Which artificial lift system has the lowest initial capital cost? (A) ESP (B) Gas lift (C) Beam pump (D) Jet pump 31. The “pump-off controller” is used in: (A) ESP operations (B) Beam pumping (C) Gas lift (D) Plunger lift 32. Gas lift performance curve shows the relation between: (A) Reservoir pressure vs. flow rate (B) Injection gas volume vs. production rate (C) Pump head vs. efficiency (D) Tubing size vs. depth 33. Which method is most affected by scale and paraffin deposition? (A) ESP (B) Beam pump (C) Gas lift (D) Jet pump 34. Cavitation in ESPs occurs when: (A) Pump speed is too low (B) Fluid pressure drops below vapor pressure (C) Gas-liquid ratio is low (D) Tubing diameter is too small 35. Which is NOT an artificial lift method? (A) Beam pump (B) Gas lift (C) ESP (D) Natural flow 36. The “standing valve” in rod pumps is located at the: (A) Tubing head (B) Bottom of the pump barrel (C) Surface unit (D) Wellhead 37. Dual gas lift installations are used for: (A) Water injection (B) Commingled production from two zones (C) Increasing wellhead pressure (D) Horizontal drilling 38. Jet pumps are driven by: (A) Natural reservoir energy (B) High-pressure power fluid injected from the surface (C) Electric motors (D) Hydraulic cylinders 39. A “pump card” is used to analyze performance in: (A) ESPs (B) Beam pumps (C) Gas lift (D) Hydraulic pumps 40. A major disadvantage of plunger lift is: (A) Low efficiency (B) Limited applicability in high-liquid rate wells (C) Expensive equipment (D) Frequent downhole failures 41. The ESP motor is usually located: (A) At surface (B) Below the pump (C) Above the pump (D) In the wellhead 42. Gas lift installations require: (A) Continuous supply of high-pressure gas (B) Electric power (C) Hydraulic cylinders (D) Beam units 43. Which lift method is most robust against sand production? (A) ESP (B) Jet pump (C) Beam pump (D) Gas lift 44. The polish rod is a part of: (A) Gas lift (B) ESP (C) Beam pump (D) Jet pump 45. ESPs are typically installed in wells deeper than: (A) 500 ft (B) 1000 ft (C) 4000 ft (D) 15,000 ft 46. Foam lift is an artificial lift technique using: (A) Nitrogen injection (B) Surfactants (C) Polymer gels (D) Compressed air 47. Intermittent lift methods are applied when: (A) Liquid production is high (B) Gas production is low (C) Liquid production is low (D) Wells are offshore only 48. In beam pumps, the counterweights are used to: (A) Increase pumping speed (B) Balance the load on the motor (C) Reduce gas lock (D) Improve liquid handling 49. A gas lift mandrel is: (A) A downhole housing for gas lift valves (B) A surface compressor (C) A plunger lift device (D) An ESP controller 50. Artificial lift selection depends on: (A) Reservoir pressure (B) Well depth and trajectory (C) Production rate and fluid properties (D) All of the above FOUNDATIONAL SUBJECTS (Year 1 – Year 2)Engineering Mechanics (Statics & Dynamics) – MCQsFluid Mechanics – MCQsThermodynamics – MCQsComputer Programming (e.g., MATLAB, Python) – MCQsIntroduction to Engineering – MCQsGeology for Engineers – MCQsTechnical Communication – MCQs CORE PETROLEUM ENGINEERING SUBJECTS (Year 2 – Year 4)Introduction to Petroleum Engineering – MCQsPetroleum Geology – MCQsDrilling Engineering – MCQsReservoir Engineering – MCQsProduction Engineering – MCQsPetroleum Fluid Properties – MCQsWell Logging and Formation Evaluation – MCQsPetroleum Economics – MCQsPetroleum Refining and Processing – MCQs Natural Gas Engineering – MCQsEnhanced Oil Recovery (EOR) – MCQsWell Testing – MCQsReservoir Simulation – MCQsDrilling Fluids and Cementing – MCQsOffshore Petroleum Engineering – MCQsHealth, Safety and Environment (HSE) – MCQsPetroleum Project Management – MCQsCorrosion Engineering – MCQsArtificial Lift Techniques – MCQsPetrophysics – MCQs LABORATORIES & PRACTICALS (Theory-based MCQs can be made from these)Drilling Fluids Lab – MCQsCore Analysis Lab – MCQsReservoir Simulation Lab – MCQsRock and Fluid Properties Lab – MCQsWell Logging Lab – MCQs ELECTIVES (Optional/Advanced)Energy Transition and Sustainability – MCQsUnconventional Resources (Shale, Tight Gas, etc.) – MCQsData Analytics in Petroleum Engineering – MCQsGeographic Information Systems (GIS) – MCQsPetroleum Law and Policy – MCQsPipeline Engineering – MCQsRenewable Energy Integration – MCQs