Training Oil Recovery Enhancement Methods

Training Oil Recovery Enhancement Methods

Course Description

This course takes a comprehensive look at several aspects of improved oil recovery. Various techniques are described and case studies presented.

Course Objective

Who Should attend?

Reservoir and Production Engineers

Course Outline

What is EOR/IOR and why it is needed; Concepts and Preparation for a Field Project; Important Rock-fluid properties and consideration: Porosity, Permeability, Capillary Pressure, Capillary Number, Mobility Ratio, Fluid-Fluid Displacements, Buckley-Leverett theory, Displacement Efficiencies; Interplay of Wettability, Viscous, Capillary and Gravity Forces, Relative permeability characteristics, Gravity-Stable Displacement, Example Calculations
Laboratory Evaluation and Scaling for Laboratory Studies; Oil and gas types, Equations of State and PVT characteristics; Laboratory tests and techniques needed for key design data; Residual Oil Saturation and General Screening Criteria, Importance of ROS in IOR, How to estimate it, Tracer Tests – Design and Interpretation with example calculations
Phase Behavior and Fluid Properties, Phase Behavior Fundamentals from: Pressure/Temperature and Pressure/Composition Diagrams. Quantitative Representation of Phase Equilibria Processes: Gas Injection and Production, Ternary Diagrams to Represent Gas Injection Processes: Miscible and Immiscible Processes, General Overview of Solvent Methods, Mechanisms of Oil Displacement. Diffusion and Dispersion, Example calculations
Hydrocarbon Miscible Displacement, First Contact Miscible Processes, The Condensing-Gas Process, The Vaporizing-Gas Process, , Minimum Miscibility Pressure (MMP) ,Carbon Dioxide Flooding, Dissipation in Miscible Displacements, Instability Phenomena (viscous fingering), Miscible Processes and Gas Injection; Principles and theory of High Pressure Gas Injection, Enriched Gas Injection, LPG Slug Injection; Air/ Nitrogen Injection – Potential and applications, Application steps, Typical CO2 Flood Candidates, Basic CO2 Properties, Process Mechanisms, Feasibility, Modes of CO2 Floods, CO2 Requirement, Recommended Pilot Design, Implementation Checklist, CO2 Sources: Key Considerations, Field Applications and Key Operational Aspects, Field Examples.
Thermal Methods; Impact of Heat on Oil Productivity, Heat Losses, Reservoir Heat Transmission, Hot Waterflooding, Steamflooding (Important Factors, Field Applications/Screening Criteria, Screening Methods/Calculations), Cyclic Steam Stimulation, Steam-Assisted Gravity Drainage Process, In-Situ Combustion. Example calculations, INPUT-Chemical Methods. Final Exam