Petroleum Thermal for Training
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Petroleum Thermal for Training Course
Introduction:
This is an intensive, applied course in enhanced oil recovery (EOR). The three main EOR processes covered are miscible flood (CO2 and miscible gas injection), chemical flood (micellar/polymer), and thermal recovery (steam injection and in-situ combustion). The physics of each EOR process will be covered in detail, including the fundamentals of reservoir fluid flow and recovery mechanisms. Each EOR process will be illustrated with an actual field example. Exercises in class will be conducted to estimate oil production forecasts with EOR.
Course Objectives:
This course teaches an integrated version of the basics of water flooding and enhanced oil recovery (EOR). The connection of each process to a few fundamental principles is illustrated. The course then reviews the specifics of thermal and solvent methods, relating basic principles to the results of field cases.
Who Should Attend?
This training course is suitable for a wide range of professionals but will greatly benefit:
- Petroleum, Production & Reservoir Engineers
- Processing engineers & other discipline engineers
- Engineers who are new to the profession
- Other individuals who need to know about EOR technologies
Course Outlines:
Introduction to EOR
- EOR methods (description, classification, and status), EOR reserves
- Screening criteria
- Environmental aspects of EOR methods
Microscopic fluid displacement in the reservoir
- Reservoir fluid PVT properties; rock properties
- Material balance
- Mobility ratio
- Displacement efficiency – Buckley-Leverett theory and Welge method
- Areal and vertical sweep efficiencies; oil recovery efficiency
- Capillary, viscous and gravitational forces
- Factors affecting phase trapping
- Mobilization and displacement of trapped phases
Current and Advanced Thermal EOR Processes
- Thermal processes; cyclic and continuous steam injection
- Steam-Assisted-Gravity-Drainage (SAGD)
- In- situ combustion methods: forward and backward
- Toe-to-Heel Air Injection (THAI) and CAPRI processes
- Steam-CO2 hybrid EOR technique and field application
Other Advanced EOR Processes
- Microbial (MEOR) and Enzymes (EEOR) processes
- Low Salinity Water (LSW) and pulsed water processes
- Seismic, Electric, and Electromagnetic heating EOR methods
- Hybrid EOR applications; CO2-thermal and chemical-thermal methods
Miscible displacement
- Miscible displacement
- Phase behavior during miscible displacement
- First-contact miscible (FCM) process; multiple-contact miscible (MCM) process
- Process description using ternary diagrams
- Minimum miscibility pressure or enrichment in MCM process
- Selection criteria and design procedures
Chemical flooding
- Micellar/polymer flood, Surfactant flood
- Factors affecting phase behavior and IFT
- Displacement mechanisms under chemical flood
- The analytical model of chemical flood
- Selection criteria and design procedures
Thermal oil recovery
- Thermal EOR processes
- Effect of temperature on oil viscosity, reservoir fluid, and rock properties
- Steam properties and steam generation
- Heat losses from surface steam injection lines
- Wellbore heat loss
- Cyclic steam injection – Boberg-Lantz model
- Selection criteria and design procedures
- Steam flood – Marx-Langenheim,
- Insitu-combustion: Nelson and McNeil model
- Selection criteria and design procedures