Petroleum Reservoir Fluid and Phase Behavior

Introduction:

This course aims to teach participants the fundamentals of hydrocarbon properties, along with their phase behaviors and practical applications in the production systems.  Participants will learn about the technical fundamentals and property correlations, as well as how to apply phase behavior and thermodynamics in order to solve real life problems.  
Specific topics that will be covered during this course will include the components of petroleum, the construction of phase envelopes, the plus fraction concept, and the classification and identification of fluid types. The calculation of the viscosities of each fluid type, interfacial and surface tension, lab and field tests, and a simulation of transport properties of petroleum fluids will also be discussed.
This expanded course content offers a more in-depth exploration of petroleum reservoir fluids and phase behavior, addressing a wide range of aspects without redundancy. It ensures participants receive a comprehensive education in this crucial area of petroleum engineering.

Course Objectives:

• To understand the petroleum reservoir fluids and phase behavior.
• To identify components of petroleum
• To create phase envelopes,
• To be able to classify and identify of fluid types
• To determine properties of crude oil and the formation water. 
• To learn about natural gas fundamentals and classification, behavior of ideal gases, behavior of real gases, and the effect of the water content in the properties of natural gas. 
• To learn about the transportation properties of petroleum, gas, water, and emulsions.
• To learn material balances, applications of equilibrium ratios, determining dew point and bubble point, and other equilibrium.

Taregeted Groups:

• Petroleum Engineers
• Reservoir Engineers
• Geoscientists
• Oilfield Technicians
• Energy Analysts
• Industry Professionals
• Postgraduate Students

Targeted Competencies:

• Fluid Property Analysis
• Phase Behavior Prediction
• Equations of State Application
• Reservoir Performance Evaluation
• Fluid Management Strategies

Unit 1: Introduction to Reservoir Fluids

• Overview of reservoir fluids
• Classification of reservoir fluids: gas, oil, condensate, and heavy oil
• Importance of phase behavior analysis in reservoir engineering
• Fluid sampling and analysis techniques

Unit 2: Properties of Reservoir Fluids

• Fundamental properties of reservoir fluids: density, viscosity, API gravity
• Importance of PVT (Pressure-Volume-Temperature) analysis
• Fluid composition and its influence on reservoir behavior
• Relationship between reservoir fluids and rock properties

Unit 3: Phase Behavior Analysis

• Understanding phase equilibrium in reservoir fluids
• Phase diagrams and critical points
• Effects of pressure and temperature on phase behavior
• Leveraging phase behavior data in reservoir modeling

Unit 4: Equations of State (EOS)

• Introduction to EOS and its applications
• Popular EOS models: Peng-Robinson, Soave-Redlich-Kwong
• EOS-based phase equilibrium calculations
• Utilizing EOS in reservoir simulation

Unit 5: Gas Condensate Reservoirs

• Behavior of gas condensates in reservoirs
• Impact on reservoir performance: condensate dropout, retrograde condensation
• Managing gas condensate reservoirs for maximum recovery
• Techniques for fluid sampling in gas condensate reservoirs

Unit 6: Crude Oil Reservoirs

• Behavior of crude oil reservoirs: undersaturated, saturated, and oversaturated
• Viscosity, density, and other key properties
• Enhanced oil recovery techniques for heavy crude oils
• Fluid sampling in crude oil reservoirs: techniques and challenges

Unit 7: Heavy Oil and Bitumen Reservoirs

• Characteristics of heavy oil and bitumen
• Thermal and chemical recovery methods: steam-assisted gravity drainage, solvent injection
• Challenges in heavy oil production: viscosity reduction, sand production
• Sampling and analyzing heavy oil and bitumen reservoir fluids

Unit 8: Reservoir Fluid Sampling and Analysis

• Importance of fluid sampling in reservoir management
• Techniques for fluid analysis: PVT laboratory experiments, downhole sampling, compositional analysis
• Interpreting PVT data for phase behavior predictions
• Case studies on fluid sampling and analysis in different reservoir types

Unit 9: Fluid Behavior in Reservoir Management

• Impact of fluid behavior on well design and production strategies
• Reservoir simulation and modeling: incorporating phase behavior data
• Economic evaluation and decision-making based on fluid analysis
• Fluid management strategies for maximizing reservoir recovery

Unit 10: Case Studies and Practical Applications

• Real-world case studies of phase behavior challenges in various reservoirs
• Analyzing and interpreting reservoir fluid data to optimize production
• Developing strategies for fluid management in response to phase behavior
• Addressing unexpected phase behavior issues in reservoir operations