Main Objective
Understand the theoretical foundations of the method of artificial lifting by Electrosumergible Pumping and the interrelation of all the components that make up this system
Specific Objetives
- Understand the advantages and limitations of the BES system, its application window for the proper selection of wells.
- Understand the components of the Electrosumergible pumping system and their functions.
- Understand how reservoir conditions (inflow, % water, Oil gas ratio, pump inlet pressure, bottom gas separation efficiency, PVT properties, viscosity, etc.) and the well trajectory-completion impose restrictions for the design and optimization of an ESP system.
- Understand the ESP’s pump head, power and efficiency performance curves and how to use them.
- Understand how the change in operating speed (frequency) affects the performance of the pump and the motor.
- Learn the step-by-step design process (equipment selection and sizing) of an ESP system
- Learn the difference between design and analysis-optimization
- Understand the effects of viscosity and free gas in the ESP
- Learn the variables of Monitoring and the basic diagnosis of ESP
Who shoul attend
- Petroleum Engineers
- Production Engineers
- Optimization Engineers
- Oilfield Operation Engineers or Technicians
CONTENT
- Evaluation at the beginning of the course.
- Comparison with other artificial lift methods:
- Electrosumergible Pumping
- Advantages and Limitations
- Generic application window
- Components of the ESP system
- Application window considering well restrictions.
- Theory of centrifugal pumps
- Theoretical performance curve for centrifugal pump
- Real performance curve for centrifugal pump (catalog supplied by manufacturers)
- Difference between centrifugal pumps and positive displacement pumps
- Up Thrust and Down Thrust. Suggested operational range. Affinity laws for centrifugal pumps.
- Affinity laws for motors.
- Nomenclature for ESP stages names and ESP engine names.
- ESP design process
- Nodal analysis brief review
- Review Inflow curve IPR. How the design and operation of the ESP is affected
- Review outflow curve for natural flow and ESP lifted wells
- Effects of the free gas fraction in BES. Clarifying and expanding the vision of the problem of free gas.
- Selection of the pump model
- Determination of the number of stages
- Selection of the bottom gas separator.
- Selection of the downhole motor
- Cable selection
- Selection of surface equipment
- Evaluation / analysis of ESP systems
- Corrections by viscosity
- Free gas effects
- Basic diagnostics of ESP systems
- Monitoring of ESP systems
- Evaluation at the end of the course.
Added Value of the knowledge acquired and in the course
- Understand what an ESP system is, how it works and where it should be used
- Understand the implications and risks of failure of an ESP system due to a bad design or a bad operation
- Understand the information required and how an ESP design or optimization is done regardless of the software used for this purpose
- Learn / expand / correct essential concepts and phenomena for proper design and optimization of ESP systems
- Understand and deduce best practices for the design, analysis, optimization and monitoring of ESP systems.
Instructor:
Sergio Caicedo, Mr. Caicedo holds a BSc Physics & BSc Computer Engineer from Simón Bolívar University Venezuela, as well as a MSc in Petroleum Engineering from the University of Texas at Austin, USA. With 26 years of experience as a specialist in artificial lift and well productivity and software development applied to oil production. He has worked as an instructor teaching courses in the area of oil production where he has trained 700+ engineers in the companies where he has worked. Mr. Caicedo has developed innovative projects working in multidisciplinary teams. He has developed calculation tools to assist field engineers in the Productivity of Wells with Cyclic Steam Injection including calculations of injection heat losses, heating radii, Hot Productivity Index and Artificial Lift cooling model. He has also worked on the calculations of the Effects of Resistive Heating in Well Bottom with BCP / BM. Mr. Caicedo has developed uncertainty methods for the production area, such as the calculation of volumes of Gels for Water Control. He has also studied the Feasibility of Ultrasound for Stimulation of Wells, and has published multiple articles on Production Optimization. Mr. Caicedo has worked as a specialist in artificial lifting in Venezuela, Kuwait, the United Arab Emirates and the United States.
Mr. Caicedo was awarded with the SPE Middle East Production and Operations Award 2015 for his technical contributions in artificial lifting for the production of hydrocarbons.