Unit 2006: Reservoir Engineering Fundamentals and Applications

1. Introduction to Reservoir Engineering

• Definition and scope of reservoir engineering
• Role and responsibilities of reservoir engineers
• Types of reservoirs: conventional, unconventional, fractured, and others
• Key reservoir properties: rock, fluid, and reservoir geometry
• Importance of reservoir characterization and data acquisition

2. Reservoir Fluid Properties

• Types of reservoir fluids: oil, gas, and water
• Fluid phase behavior: PVT properties, phase envelopes, and phase diagrams
• Fluid composition and its impact on reservoir performance
• Fluid flow mechanisms in porous media
• Fluid sampling and laboratory analysis

3. Reservoir Rock Properties

• Rock types: sandstone, carbonate, shale, and others
• Porosity: types and measurement methods
• Permeability: absolute, effective, relative, and factors affecting permeability
• Capillary pressure and wettability
• Rock mechanics basics affecting reservoir behavior

4. Reservoir Drive Mechanisms

• Natural reservoir drives:
  • Water drive
  • Gas cap drive
  • Solution gas drive
  • Rock and fluid expansion
• Artificial drive mechanisms:
  • Water injection
  • Gas injection (miscible and immiscible)
• Impact of drive mechanisms on recovery efficiency

5. Reservoir Simulation

• Purpose and benefits of reservoir simulation
• Types of reservoir simulation models: black oil, compositional, thermal
• Numerical modeling concepts and grid systems
• Input data requirements and history matching
• Predicting reservoir performance and production optimization

6. Reservoir Management

• Principles of reservoir management
• Reservoir monitoring techniques (pressure, production data, surveillance)
• Production optimization strategies
• Field development planning and well placement
• Enhanced oil recovery integration

7. Well Testing and Pressure Transient Analysis

• Objectives of well testing
• Types of well tests: buildup, drawdown, interference
• Pressure transient analysis fundamentals
• Estimation of reservoir parameters: permeability, skin factor, boundaries
• Diagnosing well and reservoir conditions

8. Reservoir Performance Evaluation

• Production data analysis techniques
• Decline curve analysis: Arps, modified models
• Material balance calculations and volumetric estimation
• Reserves classification and estimation methods
• Decision-making based on performance evaluation

9. Enhanced Oil Recovery (EOR) Techniques

• Overview of EOR and its importance
• Chemical flooding: polymers, surfactants, alkaline
• Gas injection: CO2, nitrogen, flue gas
• Thermal methods: steam flooding, in-situ combustion
• Microbial EOR and emerging technologies
• EOR project design and screening criteria

10. Reservoir Economics

• Cost components in reservoir development and production
• Economic evaluation criteria: NPV, IRR, payback period
• Risk analysis and uncertainty management
• Decision-making processes in reservoir engineering
• Case studies on economic optimization