Hydraulic Subsurface Pumping Systems
أنظمة الضخ الهيدروليكي تحت السطحي
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- Available in-house
- Fees from
- —per delegate
- Formats
- In-house training0 sessions
- Duration
- 5 daysCertificate
Overview
Hydraulic subsurface pumping uses a high-pressure power fluid pumped from the surface to drive a downhole pump, either a reciprocating piston pump or a jet pump. Because there are no rods and no downhole electrical cables, these systems can handle deep, deviated and high-temperature wells, and jet pumps in particular tolerate sand, gas and corrosive fluids well. Hydraulic lift is often chosen for well testing, remote locations, heavy oil and wells where other lift methods have struggled. Its flexibility allows pumps to be circulated in and out without a rig, which reduces intervention cost and downtime.
This course provides a practical understanding of hydraulic piston and jet pumping systems, from design and installation to operation, optimisation and troubleshooting. Participants learn the principles of power fluid systems, open and closed power fluid circuits, downhole pump types and wellbore configurations. The course covers jet pump nozzle and throat selection, cavitation limits, hydraulic piston pump sizing, surface power fluid pumps and treating systems. It also explains performance analysis, efficiency, operating cost comparison with other lift methods, safety considerations and common field problems, using real well data and examples from oil fields worldwide.
Objectives
- Explain the principles of hydraulic piston and jet pumping systems
- Compare open and closed power fluid systems and wellbore configurations
- Select jet pump nozzle and throat combinations for given well conditions
- Size hydraulic piston pumps and surface power fluid pumps
- Design power fluid treating and distribution systems for single wells and fields
- Analyse performance, efficiency and operating cost against other lift methods
- Troubleshoot common hydraulic lift problems such as cavitation and wear
Who should attend
Production and petroleum engineers, artificial lift specialists, well testing staff, field supervisors and technicians working with hydraulic lift.
Training methodology
The course combines technical explanation with design calculations based on real well and reservoir data. Participants select jet pump sizes using performance curves and cavitation checks, size piston pumps and surface triplex pumps, and estimate power fluid requirements and horsepower. Schematics of downhole assemblies, surface facilities and power fluid treating systems are reviewed in groups. Field data from hydraulic lift wells is analysed to identify performance problems and recommend improvements. Case studies compare hydraulic lift with rod, ESP and gas lift applications, and each day ends with a short quiz.
Programme outline
Day1Hydraulic Lift Principles
- The place of hydraulic pumping among artificial lift methods and its main applications
- Reservoir inflow performance and its role in selecting and sizing hydraulic lift systems
- Power fluid principles and how surface energy is transmitted to the downhole pump
- Open and closed power fluid systems and their advantages and limitations
- Wellbore configurations: fixed insert, free pump, parallel strings and casing return
- Free pump circulation and the ability to replace pumps without a workover rig
- Practical exercise: selecting a hydraulic lift configuration for three different wells
Day2Jet Pump Design
- Jet pump operating principles: nozzle, throat, diffuser and the momentum transfer process
- Jet pump performance curves and the meaning of area ratio and efficiency
- Selecting nozzle and throat combinations for the required production rate
- Cavitation limits, intake pressure requirements and how to avoid throat damage
- Handling gas, sand, heavy oil and corrosive fluids with jet pump systems
- Jet pumps for well testing, unloading and temporary production applications
- Practical exercise: sizing a jet pump and checking cavitation for a sample well
Day3Hydraulic Piston Pumps
- Hydraulic piston pump construction, engine and pump ends and the operating cycle
- Single and double acting pumps and the selection of pump displacement
- Calculating the power fluid rate, operating pressure and overall efficiency of the pump
- Pump speed limits, stroke frequency and the effect on wear and run life
- Comparison of piston and jet pumps for different well and fluid conditions
- Installation, retrieval and maintenance of hydraulic piston pumps in the workshop
- Practical exercise: sizing a hydraulic piston pump and calculating surface requirements
Day4Surface Facilities and Power Fluid Treatment
- Surface power fluid pumps such as triplex and multiplex pumps and their selection
- Power fluid treating: settling tanks, cyclones and the removal of solids and gas
- Central and single-well power fluid systems and the design of distribution manifolds
- Control valves, flow meters and wellhead equipment for hydraulic lift wells
- Safety considerations for high-pressure surface equipment and power fluid lines
- Energy consumption, horsepower calculation and the operating cost of hydraulic lift
- Practical exercise: designing a power fluid system for a cluster of hydraulic lift wells
Day5Operation, Troubleshooting and Optimisation
- Start-up, operation and monitoring of jet and piston pump installations in the field
- Common problems: cavitation, nozzle wear, plugging, power fluid leaks and pump stalls
- Performance analysis using production tests, pressures and power fluid data
- Optimising nozzle and throat sizes as reservoir pressure and water cut change
- Economic comparison of hydraulic lift with rod pumping, ESP and gas lift systems
- Group exercise: troubleshooting a set of underperforming hydraulic lift wells
- Final assessment and discussion of artificial lift issues in participants' own fields
Dates and fees
There are no scheduled dates for this course at the moment. Request it as in-house training, or ask us about the next date.
Certificate
Every delegate who attends the full programme receives a Harfard Technology certificate of completion stating the course title, duration, dates and venue.
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