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Waterflood Management

Home | Courses | Waterflood Management

Lead Instructor(s)

Dr. Hadi Arbi Belhaj

AED 2524

2023-12-11

2023-12-15

2023-12-04

Course Description

Obtaining a better understanding of the reservoir fundamental parameters and the important factors that influence secondary recovery is the first part of this course. With a clear focus on developing the reservoir aiming at maximizing oil recovery and minimizing operating cost, water flooding, as a prime secondary recovery method, is examined thoroughly. Selecting specific criteria for implementing water flooding at different for different reservoirs and subsurface conditions will be presented. Key elements required for calculating recovery factor, mobilization, displacement & sweep efficiencies, fractional flow analysis, and heterogeneity & gravity segregation interaction and their influence on displacement/recovery are fully covered.

This course provides a profound knowledge of water flooding technology with emphasis on applications in both green and brown oil fields. This course goes beyond fundamentals and principles to reach out to very serious issues concerning increasing recovery from oil fields with minimum operating cost. Design, application, and challenges will be entertained during the course. Case studies will be used as a venue for the latest technology applications in different regions of the globe.

Who Should Attend

Specialists in reservoir engineering, secondary recovery, EOR, and IOR.

Outline

Day 1

Introduction to Multiphase Flow in Petroleum Reservoirs

         Main Differences between Single Phase and Multiphase

         Model for Describing Multiphase Flow in Porous Media

         Miscible / Immiscible Flow in Porous Media

Wettability

         Surface Kinetics

         Wetting and Non-Wetting Phases

         Young’s Equation

         Rock Wettability

         Factors that Influence Wettability

         Drainage and Imbibition Processes

         Lab Measurement of Wettability

Surface/Interfacial Tension

         Capillary Pressure

         Capillary Pressure Curves

         Factors Influence Capillary Pressure

         Lab Measurement of Capillary Pressure

         Lab Measurement of IFT

        Converting IFT Lab data to Reservoir Data

        Height above FWL and Capillary Pressure Relationship

        Transition Zone, Capillary Pressure, Permeability, and Saturation Profiles of the Wetting and Non-Wetting Phases Interrelations

Day 2

Relative Permeability

         Definition of Relative Permeability

         Factors that Influence Relative Permeability

         Relative Permeability Curves

         Lab Determination of Relative Permeability

         Relative Permeability Relationships

         CCA/SCA Versus Reservoir Characterization

         Examples of relationships between relative permeability and other rock characteristics

        Characterization techniques for differentiating rock types and assigning results to those rock types

Validation of CCA/SCA Data

         What to Look for during Review of SCA Reports

         A Systematic Approach to Data Validation

         Review Checklists

Day 3

Residual Oil Saturation (ROS) Issue

         Ambiguity and Alternative Definitions

         Difficulties in Determining Issues

         Estimating Relative Permeability Data

         Effect of Wettability

Capillary Number

         Interrelation between Viscous Forces and IFT Forces

         Critical Capillary Number for Water-Wet and Oil-Wet Reservoirs and Its Effect on Mobility   of ROS

         Mobility Ratio Implications

Saturation Functions

         Johnson Saturation Function

         Cuddy et al. Saturation Function

          Skelt-Harrison Saturation Function

Fractional Flow

         Optimization of the S-Shape Curve

          What to Learn from the S-Shape Profile

Optimization of Waterflooding by ASP

          Process Description

          Role Experimental Study

          Field Applications

          Case Studies

Day 4

Waterflooding Applications

         Microscopic Efficiency

         Microscopic Displacement

         Areal Sweep Efficiency

         Vertical Sweep Efficiency

         Global Sweep Efficiency

         Bukley-Leverett Frontal Advance Theory

         Sources and Treatment of Injected Water

         Well Injectivity

         Waterflooding Implementation

         Role of Geology and Reservoir Heterogeneity on Waterflood Design

Day 5

Chemical Modified Waterflooding Envelop

        Ionic Exchange Concept

         LoSal/HiSal

         Effect of Temperature

         Effect of Salinity

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